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3 years ago

Figure I and Figure II are similar figures. Which proportion must be true?

Mathematics

2 answers:

Keith_Richards [23]3 years ago

7 0

Answer:

R = D

T = F

V = B

Step-by-step explanation:

Veronika [31]3 years ago

5 0

Just use photomath to get the answer

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Paul and Charlene are 420 miles apart. They start toward each other with Paul driving 16 mph faster than Charlene. They meet in

Thepotemich [5.8K]

Answer:

34 mph.

Step-by-step explanation:

Let x be speed of Charlene, then speed of Paul will be x+16 as we are given that Paul is driving 16 mph faster than Charlene.

Let y be distance covered by Charlene, then distance covered by Paul will be 420-y.

Now we will use formula $\text{Speed}=\frac{\text{Distance}}{\text{Time}}$ . Upon using our given information we will get two equation and two unknowns as:

$x+16=\frac{420-y}{5}...(1)$

$x=\frac{y}{5}...(2)$

Upon substituting $x=\frac{y}{5}$ in 1st equation we will get,

$\frac{y}{5}+16=\frac{420-y}{5}$

Upon multiplying both sides of our equation by 5 we will get,

$5(\frac{y}{5}+16)=420-y$

$5\times\frac{y}{5}+5\times 16=420-y$

$y+80=420-y$

$y+80+y=420-y+y$

$2y+80=420$

$2y=420-80$

$2y=340$

$y=\frac{340}{2}$

$y=170$

Upon substituting y=170 in 2nd equation we will get,

$x=\frac{170}{5}$

$x=34$

Therefore, Charlene's speed is 34 miles per hour.

6 0

3 years ago

In right angle RST of cos R what is the length of RT A. 7.2 ft. B. 20 ft. C. 24 ft. D. 72 ft

andrey2020 [161]

Answer:

Step-by-step explanation:

it can be 20 ft that is what l think

6 0

3 years ago

Help plz really plzz

MAXImum [283]

1. 156
2. 15.6
3. 1.56

You just move the decimal point in depending on the number or zeros.

4 0

3 years ago

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Is -9 a solution of -9f=90-f

Fantom [35]

Answer:

f = -11.25

Step-by-step explanation:

-9f = 90 - f

-8f = 90

f = 90 / -8

f = -11.25

6 0

4 years ago

Write .139 as a percent.

Rama09 [41]

Answer:

13.9%

Step-by-step explanation:

0.139 x 100=13.9, can you give me brainiest if its correct

4 0

3 years ago

Read 2 more answers