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kotykmax [81]
3 years ago
7

Simplify the expression: 4(-4 + 2z)=

Mathematics
1 answer:
alisha [4.7K]3 years ago
7 0

Answer:

-16 + 8z

Step-by-step explanation:

4(-4 + 2z)=

Distribute the 4

4*-4 + 4(2z)

-16 + 8z

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Prove that the two circles shown below are similar. ​
Setler [38]

Answer:

The scale factor is \frac{R_{A}}{R_{C}}=\frac{5}{2}

<u>We can say that both circles are similar.</u>

Step-by-step explanation:

If we move the little circle to the center of the bigger circle, so the <u>translate vector will be (3,5).</u>

Now we realize that the bigger circle is just a dilation of the smaller circle, the<u> scale factor is:</u>

R_{A}=5

R_{C}=2

\frac{R_{A}}{R_{C}}=\frac{5}{2}

Therefore, <u>we can say that both circles are similiar.</u>

<u />

I hope it helps you!

8 0
3 years ago
I'll give brainliest
N76 [4]
Since y intercept if one, i automatically know the answer is y = 1/2x + 1. The second one
6 0
3 years ago
Angela drive 82 miles on Monday. She drove 94 miles on Tuesday. To the nearest hundred, how many miles did Angela drive over the
Gennadij [26K]

Answer:

88 miles

Step-by-step explanation:

From the question I'm Presuming you are taking the average.

Add the two numbers together 82 + 94 = 176

Do 176 divided by 2 to get 88

You do divide by 2 because of the two days

3 0
3 years ago
The pyramid shown has a square base that is 12 centimeters on each side. The slant height is 18 centimeters. What is the surface
Sav [38]
<span>The <u>correct answer</u> is:

576 sq. cm.

Explanation:

The surface area of a figure is the sum of the areas of the faces of the figure.

The slant height goes from the apex of the pyramid along a face and is perpendicular to the base at the bottom of that face. This gives us 2 measurements of each triangular face of the pyramid: the height (the slant height of the pyramid is the height of the triangular face), 18 cm, and the base <span>of the triangular face, 12 cm.

The formula for the area of a triangle is A = 1/2bh; using our measurements we have:
A = 1/2(12)(18) = 108 sq. cm.

There are 4 triangular faces on a square pyramid, and each will have an area of 108 sq. cm.; this gives us:
4(108) = 432 sq. cm.

The area of the base is given by length times width, or 12*12 = 144 sq. cm.

This gives us a total surface area of 432+144=576 sq. cm.</span></span>
8 0
3 years ago
Read 2 more answers
What is the solution set of the inequality 2(5+3x) &gt;13 +6? A.x 22 C.no solution D.infinitely many solutions
Nezavi [6.7K]

Answer:

I would choose either A.x 22 or D. infinitely many solutions

Step-by-step explanation:

Since you did put the answer choice B then I don't know what are all the possible answer choices

5 0
3 years ago
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