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3 years ago

Which rule explains why these triangles are similar?

Mathematics

2 answers:

swat323 years ago

8 0

Answer:

The correct answer is:

△

EGH

~△

EFD

Step-by-step explanation:

I got it incorrect the first time. the person above or below me is wrong.

Ksenya-84 [330]3 years ago

7 0

The correct answer would be Side Angle Side

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The following formula gives the volume V of a pyramid, where A is the area of the base and h is the height:

jeka94

You have to move everything to other side besides A
(h)v= 1/3 A
3(h)v=A
Your answer is A= 3hv

3 0

3 years ago

What is the solution of the system? Use a graph.

Mashcka [7]

Y = –3x + 2
y = –3x + 4

–3x + 2 = –3x + 4⇒
–3x + 3x = 4 - 2 ⇒
0x = 2
it has no solutions, which is D

5 0

4 years ago

Use A as the subject of formula p= A ( 1+r\100)

ZanzabumX [31]

Answer:

$A = \frac{100 P}{100+r}$

Step-by-step explanation:

Given $P = A( 1 + \frac{r}{100} )$

To make A as the subject of the formula we need to rearrange

Divide by $(1 +\frac{r}{100})$ throughout we get

$\frac{P}{1+\frac{r}{100}} = A$

$A = \frac{100P}{100 + r}$

4 0

3 years ago

An article reports "attendance dropped 7% this year, to 6854." What was the attendance before the drop? (Round your answer to th

Masja [62]

Answer:

7370

Step-by-step explanation:

Let x represent attendance before drop.

We have been given that an article reports attendance dropped 7% this year, to 6854. We are asked to find the attendance before the drop.

Since attendance dropped by 7%, this means that attendance after drop was 93% of x.

We can represent this information in an equation as:

$x-\frac{7}{100}x=6854$

$x-0.07x=6854$

$0.93x=6854$

$\frac{0.93x}{0.93}=\frac{6854}{0.93}$

$x=7369.89247$

$x\approx 7370$

Therefore, the attendance before drop was 7370.

4 0

4 years ago

Denise bought a T-shirt at the sale price of $24. The original cost of a T-shirt was $40. What percent represents the discount t

RoseWind [281]

Answer:

Step-by-step explanation:

we subtract to find how much they saved, 40-24=16

now we divide 16 by 40 to get the percent 16/40 = 0.4

40%

3 0

3 years ago