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3 years ago

6

Which of the following expressions could be used to estimate the difference between -12.34 and -4.8? -12 - 5 -12 + 5 -12 - 4 -12

+ 4

2 answers:

Sphinxa [80]3 years ago

5 0

This is your answer

<span>-12 - 5 (first one)

hope that helps

</span>

Daniel [21]3 years ago

4 0

-12 + 5 is the answer.

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Mr. Robredo is building a fence around a rectangular region with 36 feet of fencing. The area of the rectangular region is 65 sq

Rufina [12.5K]

P = 2(L + W)
P = 36
36 = 2(L + W)
36/2 = L + W
18 = L + W....L = 18 - W

A = L * W
A = 65
L = 18 - W

65 = W(18 - W)
65 = 18W - W^2
W^2 - 18W + 65 = 0
(W - 13)(W - 5) = 0

W - 13 = 0 .....L = 18 - 13
W = 13 L = 5

W - 5 = 0 L = 18 - 5
W = 5 L = 13

Not exactly sure which (length or width)...but one is 13 ft and the other is 5 ft

8 0

3 years ago

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0.2x-1=-1 what is x in the equation

Alenkinab [10]

I believe the answer is x=0

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2 years ago

Solve this equation. 25) v - 6(4v + 6) = -82

grin007 [14]

Answer:

$v = 2$

Step-by-step explanation:

Hi there! I'm glad I was able to help you solve this equation!

Let's start by simplifying both sides of the equation. It's easier to solve it this way!

$v - 6 (4v + 6) = -82$

Distribute:

$v + (-6) (4v) + (-6) (6) = -82$

$v + -24v + -36 = -82$

Combine 'like' terms:

$(v -24v) + (-36) = -82$

$-23v - 36 = -82$

Next, you'll want to add 36 to both sides of the equation.

$-23v-36 + 36 = -82 + 36$

$-23v = -46$

Finally, divide both sides by $-23$ .

$\frac{-23v}{-23} = \frac{-46}{-23}$

$v = 2$

I hope this helped you! Leave a comment below if you have any further questions! :)

7 0

3 years ago

( image attached) plz help 50 point test ASAP(:

Shtirlitz [24]

A vertical line i believe since x is constant

4 0

2 years ago

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Find the area of the composite figure in terms of the figure (use 3.14 for pi)

svp [43]

Answer:

105.12 ft²

Step-by-step explanation:

Let's first find the area of the rectangle.

$10\cdot8=80$ ft², so the rectangle has an area of 80ft².

To find the area of the semi-circle, we find the area of a whole circle and divide by two.

The formula to find the area of a circle is $\pi r^2$ . The radius is 4, as the diameter is 8.

$3.14\cdot4^2$

$3.14\cdot16$

$50.24\div2=25.12$

Add 80 and 25.12:

$80+25.12=105.12$

Hope this helped!

5 0

3 years ago