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3 years ago

Which expressions would complete this equation so that it has one solution?

1 answer:

4 0

Try plugging in the equations
and d are not it because they eliminate x
4x-12=3x-4
x=8
4x-12=6x-18
2x=6
x=3
so both b and c work as answers

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You run one lap around a mile track every eight minutes you're friend runs around the same track every 10 minutes. You both star

labwork [276]

10 , 20 , 30 , 40 , 50
8, 16 , 24, 32, 40

40 minutes

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3 years ago

The area of another rectangle is x² + 5x + 6. If one side measures (x + 2), what is the measure of the other

tiny-mole [99]

L=x+2
We need B

$\\ \sf\longmapsto LB=Area$

$\\ \sf\longmapsto B(x+2)=x^2+5x+6$

$\\ \sf\longmapsto B(x+2)=(x+2)(x+3)$

Cancel x+2

$\\ \sf\longmapsto B=x+3$

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1 year ago

You are baking brownies for your class. There are 28 total students in your class and you have baked 23 brownies. Right and solv

slavikrds [6]

Answer:

$x = 33$

Step-by-step explanation:

Given

$Students = 28$

$Brownies = 23$

$Brownies = 2\ per\ student$

Required

Determine the number of brownies left

If:

$Brownies = 2\ per\ student$

and there are 28 students

Then:

$Total\ Brownies = 2 * 28$

$Total\ Brownies = 56$

To determine the number of brownies left, we have:

$Total\ Brownies = Brownies\ Made + Brownies\ Left$

$56 = 23 + x$

Reorder

$x + 23 = 56$

Collect Like Terms

$x = 56 - 23$

$x = 33$

<em>Hence, there are 33 brownies left</em>

6 0

2 years ago

Help me asap (please please)

CaHeK987 [17]

Area of a circle = pi*r^2.

Here, A = 380.13 mi. Unfortunately, "mi" is NOT a unit of area.

So I will assume that the problem should read A = 380.13 sq. miles.
380.12 mi^2
Thus, 380.13 mi^2 = 3.14*r^2, and r^2 = ------------------- 121.057 mi^2
3.14

The radius is the sqrt of 121.057 mi^2: 11.00 miles.

The diam. is twice that, or d = 22.00 miles.

4 0

2 years ago

Which equation represents a linear function?<br> Select two answers.

Deffense [45]

Equations that represents a linear function are Answers A and D

5 0

1 year ago