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LuckyWell [14K]

3 years ago

12

How to prove all pairs of corresponding sides and angles are congruent

1 answer:

Lera25 [3.4K]3 years ago

5 0

The lines on the triangles

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What is answer for 7/53?

Ber [7]

Answer: 7.57142857143

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Change each fraction or mixed number to a percent. a. 2/5 b. 7/20 c. 1 11/16 d. 14 1/4

QveST [7]

Answer:

a. 20% b. 35% c. 1.6875 d. 14.25

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Jacob and Caden share a reward of $108 in a ratio 7:2. How much does Jacob get?

anyanavicka [17]

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A train goes twice as fast downhill as it can go uphill, and 2/3 feet as fast uphill as it can go on level ground. If it goes 12

Yuri [45]

Answer:

0.5hrs

Step-by-step explanation:

Let the speed downhill be $x$ ,

Speed uphill is $0.5x$ . We are told than speed uphill is $\frac{2}{3}$ the speed on flat ground. Therefore the speed on level ground will be $\frac{0.5x}{2/3}=0.75x$ .

From this info, we can obtain the actual speed, $v_g$ on level ground as:

$x=120m/h\\0.75x=v_g\\\\\therefore v_g=\frac{0.75x \times 120m/h}{x}\\v_g=90m/h$

speed, distance and time have the relation $s=d/t$ so to obtain time to cover 45miles:

$t=d/s\\=45/90\\=0.5h$

Hence it takes 0.5hrs to cover 45miles on flat ground.

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A triangular clock has sides measuring 16 cm, 12 cm, and 20 cm. What is the area to the nearest square centimeter?

kirza4 [7]

Answer:

96

Step-by-step explanation:

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