Which of the following shows double the sum of 8 and 4?
a. 2 *8 +4
b. 2(8 + 4)
C. 2*8-4
d. 2(8-4)

Answers

Answer 1

Answer:

C

Step-by-step explanation:


Related Questions

find the indicated length.
Point R bisects segment ST. Find RT if ST = 16.9 meters.
RT=

Answers

The value of the indicated length RT is 8.45 meters

How to find the indicated length?

The given parameters are

Point R bisects segment ST. ST = 16.9 meters.

The above means that

RT = 1/2 * ST

So, we have

RT = 1/2 * 16.9

Evaluate the products

RT = 8.45

Hence, the value of the indicated length RT is 8.45 meters

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Can someone help me find the perimeter of the figure in feet.

Answers

Add all the sides together.

32 + 13.6 + 16 + 9.7 + 6.3 + 9.7 + 9.7 + 13.6 = 110.6


What is the slope of the line passing through the points (-3, 4) and (2, -1)?

Answers

Answer:

-1

Step-by-step explanation:

slope = (y_2 - y_1)/(x_2 - x_1)

slope = (-1 - 4)/(2 - (-3)) = -5/(2 + 3) = -5/5 = -1

round 184329 to the nearest 100

Answers

Answer:

184300

Step-by-step explanation:

When rounding to the nearest anything, you look at the place 1 unit smaller. Here, we'd look at the tens place.

184329

Anything 5 or greater increases the value of the place 1 unit bigger. Here, we have a 2 in the tens place. That doesn't increase the 3 in the hundreds place, so we round down to 184300.

The expression 17n+11 represents the perimeter of the triangle. What is the length of the third side? Please Answer as soon as posable. Thank you.

Answers

Answer:the answer is 8n hope that helps!

Help? Anyone pls. I'd give brainliest

Answers

Answer:

3/2

Step-by-step explanation:

xy= -2 X -3

= 6

z = 4

so xy/z is 6/4 which is 3/2.

. Evaluate the expression for x = 3, y=13 , and z = 5. 12x−3y4x−z

Enter your answer in the box. 42 BRAINLESS

Answers

Answer:

4

Step-by-step explanation:

replace x , y and z with the values given for them

12x - 3y + 4x - z

12(3) - 3(13) + (4)(3) - 5

36 - 39 + 12 - 5 = 4

Answer:it is 5

Step-by-step explanation:

i got it on the k12 test

A city has a population of 2,549,786 people. Estimate this population to the nearest million. Express your answer as the product of a single digit and a power of 10.
Rounded to the nearest million,the population is about ____
Written as the product of a single digit and a power of 10, this number is ___x 10^_

Please answer this ^-^

Answers

Answer:2,549,786 rounded to the nearest million is  3,000,000

Pls give me brainliest if I am rigth

Step-by-step explanation:3,000,000 written as a power of ten is

solve the equation tanx+secx=2 given that x is greater than or equal to 0 and less than or equal to 2pie

Answers

X = 0.6444

Trigonometric Identities are equality statements that hold true for all values of the variables in the equation and that use trigonometry functions.

There are numerous distinctive trigonometric identities that relate a triangle's side length and angle. Only the right-angle triangle is consistent with the trigonometric identities.

The six trigonometric ratios serve as the foundation for all trigonometric identities. Sine, cosine, tangent, cosecant, secant, and cotangent are some of their names. The adjacent side, opposite side, and hypotenuse side of the right triangle are used to define each of these trigonometric ratios. The six trigonometric ratios are the source of all fundamental trigonometric identities.

tan x +sec x =2

⇒sin x /cosx + 1/ cos x = 2

⇒1+sin x / cos x  =2

⇒ (sin² x/2 +cos ² x/2 +2 sin x/2 cos x/2 )/( cos ² x/2 - sin²x/2 ) = 2

⇒(cos x/2 +sin x/2)² / ( cos ² x/2 - sin²x/2 ) = 2

⇒( cos x/2+sin x/2)² / (cos x/2 + sin x/2)(cos x/2-sinx/2) = 2

⇒(cos x/2 +sin x/2)/ (cos x/2-sin x/2) = 2

Dividing by cos x/2 in both numerator and denominator,

⇒(1+tan x/2)/(1-tan x/2) =2

⇒ 1 + tan x/2 = 2 - 2tanx/2

⇒ tan x/2 = 1/3

⇒ x= 0.6444

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Classify the angle as acute , obtuse , right , or straight

Answers

Answer:

From top to the bottom:

Acute,

Right,

Straight

Step-by-step explanation:

An acute angle is formed when the measure of the angle is smaller than 90° which is provided in te first image.

A right angle is formed when the measure of an angle is precisely 90° which we can see in the second image.

A straight angle is formed when the measure of an angle is precisely 180° no less no more, which we can see in the last image.

Find, in gradient-intercept form, the equation of a line which has:

a gradient of -4/5 and which passes through (4,-2)

Answers

The gradient is -4/5, so the equation is of the form

[tex]y=-\frac{4}{5}x+c[/tex]

Substituting in the coordinates (4, -2),

[tex]-2=-\frac{4}{5}(4)+c \\ \\ c=\frac{6}{5} \\ \\ \therefore y=-\frac{4}{5}x+\frac{6}{5}[/tex]

Simplify the quantity 12 minus three fifths times the square root of 25 end quantity squared plus the quantity 2 minus 4 end quantity squared.

1,804
814
85
18

Answers

The value of the expression (12 - 3/5√25)^2 + (2 - 4)^2 is 85

How to evaluate the expression?

The expression is given as

(12 - 3/5√25)^2 + (2 - 4)^2

Evaluate the square root of 25

So, we have

(12 - 3/5√25)^2 + (2 - 4)^2 = (12 - 3/5 * 5)^2 + (2 - 4)^2

Evaluate the product

So, we have

(12 - 3/5√25)^2 + (2 - 4)^2 = (12 - 3)^2 + (2 - 4)^2

Evaluate the difference

So, we have

(12 - 3/5√25)^2 + (2 - 4)^2 = 9^2 + (2 - 4)^2

Evaluate the exponent and the sum

So, we have

(12 - 3/5√25)^2 + (2 - 4)^2 = 85

Hence, the value of the expression (12 - 3/5√25)^2 + (2 - 4)^2 is 85

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Find x and y pleaseee

Answers

Answer:

x = 23         y = 42

Step-by-step explanation:

y + 54 + 4x - 8 = 180

y + 4x = 180 - 46

y + 4x = 134

180 - (5x - 19) = 4x - 8

180 - 5x + 19 = 4x - 8

180 + 19 + 8 = 4x + 5x

207 = 9x

207/9 = x

x = 23

y + 4(23) = 134

y = 134 - 92

y = 42

what is the net force on the object with a mass of 32kg and accelerating at 4.5m/s²

pls help me​

Answers

Answer: 144N

Step-by-step explanation:

A=acceleration. N=net force. M=mass

A=N/M

4.5=N/32

4.5*32=N

N=144N

[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]

Net Force acting on a body can be determined by formula :

[tex]\qquad \sf  \dashrightarrow \: f = m \times a[/tex]

where,

f = force acting on the bodym = massa = Acceleration of the body due to net force exerted on it

[tex]\qquad \sf  \dashrightarrow \: f = 32 \times 4.5[/tex]

[tex]\qquad \sf  \dashrightarrow \: f = 144 \: \: N[/tex]

So, the net force acting on the body is 144 Newtons.

Solve the quadratic equation by completing the square.
2
x² - 10x+10=0

Answers

Answer: x=5+[tex]\sqrt{15}[/tex]

Step-by-step explanation:

x² - 10x+10=0

x² - 5x - 5x+10=0

x² - 5x - 5x+25-15=0

(x-5)^2 -15=0

(x-5)^2=15

x-5=[tex]\sqrt{15}[/tex]

x=5+[tex]\sqrt{15}[/tex]

the image i attached is the question

Answers

Answer:

D

Step-by-step explanation:

Solve for X:

3x-8≥7

3x≥15

x≥5

Any value of x is greater than or equal to 5

This is represented by answer D

the ice cream shop has 10 flavor of ice cream, how many different two-scoop ice cream cones can you make?

Answers

90 different two-scoop ice cream cones we can make.

What do we mean by permutations and combinations?Permutations and combinations are the various ways in which objects from a set can be selected, generally without substitute, to form subsets. When the order of selection is a factor, this selection of subsets is called a permutation; when order is not a factor, it is called a combination.

To find how many different two-scoop ice cream cones can you make:

We're picking two flavors out of ten, so we'll use [tex]\left(\begin{array}{c}10 \\2\end{array}\right)=45[/tex] different two-scoop cones.This time, there are more cones that were previously excluded, and we use permutation:[tex]\frac{10 !}{8 !}=90[/tex]

Therefore, 90 different two-scoop ice cream cones we can make.

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find the derivative of f(x)=3x+5​

Answers

Answer: Derivative of f(x) =3x+5=3

Step-by-step explanation:

By the Sum Rule, the derivative of 3x+5 with respect to x is d/dx[3x]+d/dx[5]

d/dx[3x]+d/dx[5]

evaluate:  d/dx[3x]

Since 3 is constant with respect to x, the derivative of 3x with respect to x is 3d/dx[x].

3d/dx[x]+d/dx[5]

Differentiate using the power rule

which states that d/dx[[tex]x^{n}[/tex]] is [tex]nx^{n-1}[/tex]    where n=1.

3⋅1+d/dx[5]

Multiply 3 by 1.

3+d/dx[5]

Differentiate using the Constant Rule.

Since 5 is constant with respect to x, the derivative of 5 with respect to x is 0.

3+0

Add 3 and 0 = 3

So, derivative of f(x) =3x+5=3

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2 ( x + a ) = 4b explain how i solve this not the answer how to sovle it please

Answers

Answer:

x = 2b - a

Step-by-step explanation:

2(x + a) = 4b

2x + 2a = 4b

x + a = 2b

x = 2b - a

I think this question is incomplete

If the price of an apple is $0.50, the marginal utility per dollar spent on the fifth apple is: ________
a) 20
b) 30
c) 40

Answers

The marginal utility per dollar spent on the fifth apple is 60. The correct option is D.

What is marginal utility?

The marginal utility simply refers to the change or extra satisfaction derived from the change in consumption.

Hence, the marginal utility of the fifth apple equals :

Difference /change or extra satisfaction derived by consuming one more than 4 apples = (total utility of 5th apple - total utility of 4th apple)

= (250 - 220) = 30

Hence, marginal utility per dollar: Marginal utility/price per apple

Price per apple = $0.5

Marginal utility of 5th apple = 30

Marginal utility of 5th apple = 30 / 0.5

Marginal utility of 5th apple = 60

Therefore, the marginal utility per dollar spent on the fifth apple is 60. The correct option is D.

Complete question :

If the price of an apple is $0.50, the marginal utility per dollar spent for the fifth apple is:

a) 20

b) 30

c) 40

d) 60

Number of apples ____total utility

2__________________130

3__________________180

4__________________220

5__________________250

6__________________270

7__________________280

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Упростить выражение log5⁡4+log5⁡3 и итог умножить на два

Answers

Answer:

6.913339

Step-by-step explanation:

a sum of scalar multiples of two vectors​ (such as ab​, where a and b are​ scalars) is called a linear combination of the vectors. let u​, and v​,. express ​, as a linear combination of u and v

Answers

The linear combination of u and v = <3,-27>=5U+4V.

What does linear combination in vectors mean?

A linear combination of two or more vectors is the vector formed by multiplying two or more vectors (with distinct directions) by scalar values. The above equation demonstrates that the vector is produced by adding two vectors to three vectors.

What is the term "linear combination"?

The term "linear" has two independent meanings: geometric and algebraic. Because linear combinations essentially linear in the both senses, the expression is accurate.

According to the given information:

Let u= <3,3> and v= <-3,3>

<3,-27> = x< 3,3> + y<-3,3> = <3x - 3y, 3x + 3y>

3x - 3y = 3 => x - y = 1

3x + 3y = -27 => x + y = -9

Adding both, we get

2x = -8 => x = -4

y = -5

So <3,-27> = -4< 3, 3 > + (-5) < -3 , 3 >

The linear combination of u and v = <3,-27>=5U+4V.

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I understand that the question you are looking for is:

A sum of scalar multiples of two vectors (such as au + bv, where a and b are scalars) is called a linear combination of the vectors.

Let u= <3,3> and v= <-3,3>. Express <3,-27> as a linear combination of u and v.

56) The length of a rectangle is 1 inch more than 4 times its width. The area of the rectangle is 3 square
inches. What is the perimeter of the rectangle?

Answers

Perimeter of rectangle is  9.5 inches

If the length of the rectangle is l and its width is w,

l = 4w + 1, and

lw = (4w+1)×w = 3.

This yields 4w² + 1w -3= 0, which can be solved in the normal way for quadratic equations.

Solving the equation we get as

w=0.75 or w=-1

as it an not be negative value hence w=0.75

l=4

Perimeter of rectangle is 2*(l+w)= 9.5 inches.

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The slope for a wheelchair ramp for a home has to be 1/2. if the vertical distance from the ground to the door bottom is 3 ft, find the distance the ramp has to extend from the home in order to comply with the needed slope. write your work in the answer box.

Answers

Answer:

6 ft

Step-by-step explanation:

slope = [tex]\frac{rise}{run}[/tex] ( rise is vertical height and run is horizontal distance )

here vertical height = 3 and slope = [tex]\frac{1}{2}[/tex] , then

[tex]\frac{1}{2}[/tex] = [tex]\frac{3}{run}[/tex] ( cross- multiply )

run = 2 × 3 = 6 ft

Sara and her mom are planning to attend the symphony. An adult ticket is $54. The price of an adult ticket is 1/4 the price of a student ticket plus $25. Write an equation to determine how much Sara will pay for a student ticket.

Answers

The equation that represents the price of a student ticket will be 54 = x/4 + 25. Sara's spend for a student ticket will be $116.

What is the solution to the equation?

The allocation of values to the parameters that produce the calculation's balance is known as an outcome.

Sara and her mom are planning to attend the symphony. An adult ticket is $54. A ticket for 1/4 an adult costs $25 more than it would be for a student.

Let x be the amount of pay for student's tickets. Then the equation will be

54 = x / 4 + 25

Simplify the equation, then we have

x / 4 = 54 - 25

x / 4 = 29

x = $116

The equation that represents the price of a student ticket will be 54 = x/4 + 25. Sara pays for a student ticket will be $116.

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Find the average of first six multiples of 2.​

Answers

Answer:

7

Step-by-step explanation:

2+4+6+8+10+2

=42÷6(coz 6 multiples)

=7

Are 12,16,20 pythagorean triplets. Explain why.

Answers

Answer:

The numbers that make up today's date—12, 16, and 20—form a Pythagorean triple. That is, 12² + 16² = 20².

Step-by-step explanation:

Answer:Yes, these are pythagorean triplets because they are multiples of 4. 4 times 3 is twelve.4 times 4 is 4.And 4 times 5 is 20.

maritza compro 1.5 litros de pintura azul. si empleo 1/2 del contenido de esa lata para pintar un mural
¿cuantos litros de pintura azul uso en este?

Answers

The fraction of 1/2 of the number of liters of blue paint is 3/4 therefore 3/4 liters of blue paint must be used to draw that painting.

What is a fraction?

If we divide two numbers by each other then the upper word is called the numerator, a lower word is called the denominator, and the representation is known as the fraction.

Given that,

Maritza bought 1.5 liters of blue paint.

The given painting is going to be used 1/2 fraction of the total liters of blue paint.

1/2 of the blue paint

(1/2)1.5

⇒ (1/2)15/10

⇒ (1/2)3/2

⇒ 3/4 liters of blue paint.

Hence "The fraction of 1/2 of the number of liters of blue paint is 3/4 therefore 3/4 liters of blue paint must be used to draw that painting".

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The given question is in another language the translation in English is as follows;

Maritza bought 1.5 liters of blue paint. if I use 1/2 of the contents of that can to paint a mural

How many liters of blue paint do I use on this?

The midpoint of \overline{\text{AB}}
AB
is M(1, -3)M(1,−3). If the coordinates of AA are (-6, -7)(−6,−7), what are the coordinates of BB?

Answers

Answer:

the coordinates of BB would be: B(8,1)

If the straight-line distance from her home to the university is 10. 3 km in a direction 25. 0° south of east, what was her average velocity in km/h?.

Answers

34.3 Km /h was her average velocity in km/h.

What is average velocity?

The change in position or displacement (x) divided by the time intervals (t) during which the displacement happens is the definition of average velocity. Based on the direction of the displacement, the average velocity might either be positive or negative. Meters per second (m/s or ms-1) is the SI measure for average velocity.The displacement of a body, or the shortest distance it must go during a trip, is calculated as the displacement multiplied by the time interval over which it covered that distance.

average velocity = Displacement / time taken

            V = d/ l

V = 10.3 Km/0.300m = 34.3Km

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