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4 years ago

It rained 0.6 inches on Monday on Tuesday it rained 0.2 inches less than Monday how much did it rain on Tuesday?

Mathematics

1 answer:

Nataly_w [17]4 years ago

8 0

If it is 0.2 inches less, just subtract.

0.6 - 0.2 = 0.4

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Let's simplify. (a) 5x 3x + 2a 4a

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Step-by-step explanation: hopefully this helps

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3 years ago

Solve the right triangle given that mZA= 30°, mZC = 90°, anda = 15. Round your result to one decimal place.

Genrish500 [490]

Answer:

$\angle B = 60^o$

$b =17.3$

$c = 20$

Step-by-step explanation:

Given

$a= 15$

$\angle A = 30^o$

$\angle C = 90^o$

See attachment for illustration

Required

Solve the triangle

First, we calculate the measure of B

$\angle A + \angle B + \angle C = 180^o$ --- angles in a triangle

$30^o + \angle B + 90^o = 180^o$

Collect like terms

$\angle B = 180^o-90^o-30^o$

$\angle B = 60^o$

Solve for (c) using sine function

$\sin(30) = \frac{a}{c}$

Make c the subject

$c = \frac{a}{\sin(30)}$

Substitute known values

$c = \frac{10}{0.5}$

$c = 20$

Solve for (b) using Pythagoras

$c^2 = a^2 + b^2$

This gives:

$20^2 = 10^2 + b^2$

$400 = 100 + b^2$

Collect like terms

$b^2 =400 - 100$

$b^2 =300$

Take square roots

$b =17.3$

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3 years ago

What is the answer for both?

Sindrei [870]

Answer:

5) is C

6) is C

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3 years ago

You take a 10 question multiple choice test. Each question has 4 choices and you guess on all of them. What is the probability y

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Answer:

Probability of getting 7 correctly = 0.0030899

Probability of getting 8 correctly = 0.00038624

Probability of getting 9 correctly = 0.00002861

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Step-by-step explanation:

Please kindly check the attached files for more explanation.

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3 years ago

72 divided by X equals X

GREYUIT [131]

Answer:72 divided by 9 equals 8

Step-by-step explanation:9 x 8=72

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3 years ago

Read 2 more answers