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2 years ago

6

Which equations represent the data in the table? Check

1 answer:

Studentka2010 [4]2 years ago

3 0

Answer:

A,D, and E are the answers on E2020

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17 out 22 what percentage is correct

SVETLANKA909090 [29]

The answer is <span>77.2727272727273% hopw this help

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3 years ago

The edges of a cube are 5 centimeters each and the diagonal of a face is approximately 7 centimeters. What is the approximate ar

Naddika [18.5K]

Answer:

C

Step-by-step explanation:

5x7=35. Unfortunately I can't show you a model to explain further.

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2 years ago

Y=3(x+1)(x-5)<br><br> Explain how to solve these quadratics.

olya-2409 [2.1K]

Y=3(x+1)(x-5)
I'm going to ignore 3 for now, but will add it later.
FOIL the (x+1)(x-5)
F = multiply the First numbers x and x
O = multiply the Outside numbers x and -5
I = multiply the Inside number 1 and x
L = multiply the Last numbers 1 and -5
3(x^2 + -5x + 1x + -5)
add -5x and x
3(x^2 + -4x + -5)
multiply the numbers inside the parenthesis by 3
3x^2 + -12x + -15

5 0

3 years ago

Which of the following is true about the function y= 4 * 3tothepowerofx

xenn [34]

Only true statement for function f(x) = $4(3^{x})$ is <u>c. if the value of x increases by 1, the value of y will triple</u>.

<u>Step-by-step explanation:</u>

<u>a. the function decreases </u>

f(x) = $4(3^{x})$ , For value of x<1 function decreases and for x>1 function increases . False statement .

<u>c. if the value of x increases by 1, the value of y will triple. </u>

For value of x increases by 1 we have , $f(x) = 4(3^{x+1}) = 4(3^{x})(3) = f(x) (3) = y(3)$ . True statement.

<u>b. the function has a y-intercept of (0, 3) </u>

At y intercept x=0, f(x) = $4(3^{x})$ , $f(0) = 4(3^{0}) = 4$ . Function has a y-intercept of (0,3). False statement.

<u>d. the function contains the point (1, 4)</u>

At x=1, $f(1) = 4(3^{1}) = 12$ . Function contains (1,12) not (1,4) . False statement.

8 0

2 years ago

Tickets for a play cost $3 for children and $10 for adults. A group of 25 people paid a total of $201 for tickets to the play. H

lidiya [134]

Answer: There were 7 children

Step-by-step explanation:

Let's use <em>x </em>to represent the children and <em>y </em>to represent the adults.

We know they combine to make a group of 25 people so x+y=25

We also know that they paid $201 and that there is $3 per child and $10 for adults so 3x+10y=201

I will solve by substitution.

Solve for y in the first equation

$x+y=25\\x-x+y=25-x\\y=25-x$

Sub in our value for y into the other equation and solve for x

$3x+10y=201\\3x+10(25-x)=201$

Step 1) Simplify

$3x+250-10x=201\\-7x+250=201$

Step 2) Subtract 250 from both sides

$-7x+250-250=201-250\\-7x=-49$

Step 3) Divide both sides by -7

$\frac{-7x}{-7} =\frac{-49}{-7}\\x=7$

8 0

2 years ago

Read 2 more answers