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3 years ago

A car is going 50 miles per hour. A rate that describes this would have units of

Mathematics

1 answer:

Over [174]3 years ago

5 0

Answer:

mph or miles per hour

Step-by-step explanation:

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When would you add in an expression?

torisob [31]

Answer:

when you dont feel like using a word problem u can do a expression instead

Step-by-step explanation:

7 0

3 years ago

Chloe drives from her house to her grandma's house 64 miles away in an hour and 35

lapo4ka [179]

Answer: B) 40 miles per hour

Step-by-step explanation:

Each twelve minutes is 1/5 hr = 0.2 hr

Total time is therefore 1 hr+ 0.2hr = 1.2hr

Vavge = 48 miles / 1.2 hr = 40 miles/hr

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3 years ago

Consider the diagram below. Which of the following is the value of X?

Vaselesa [24]

Answer:

x=20

Step-by-step explanation:

45= measure of angle 6 (vertical angles)

45+ 5x+35 = 180 (Supplementary angles)

x=20

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3 years ago

In ΔWXY, x = 680 inches, w = 900 inches and ∠W=157°. Find all possible values of ∠X, to the nearest degree.

ikadub [295]

Given:

In ΔWXY, x = 680 inches, w = 900 inches and ∠W=157°.

To find:

The all possible values of ∠X, to the nearest degree.

Solution:

Law of Sines:

$\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}$

For ΔWXY,

$\dfrac{w}{\sin W}=\dfrac{x}{\sin X}=\dfrac{y}{\sin Y}$

Now,

$\dfrac{w}{\sin W}=\dfrac{x}{\sin X}$

$\dfrac{900}{\sin (157^\circ)}=\dfrac{680}{\sin X}$

$900\sin X=680\sin (157^\circ)$

$\sin X=\dfrac{680}{900}\sin (157^\circ)$

$\sin X=0.295219$

$X=\sin^{-1}(0.295219)$

$X=17.17067$

$X\approx 17$

Therefore, the value of ∠X is 17 degrees.

5 0

3 years ago

If 39 is 100 percent then what is 35 <br> Need answer quick

SIZIF [17.4K]

Answer:

89.7% is your answer

<u>or 90% if you round it.</u>

4 0

3 years ago