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aleksley [76]
3 years ago
10

Let ∠D be an acute angle such that cosD=0.64. Use a calculator to approximate the measure of ∠D to the nearest tenth of a degree

.
Mathematics
2 answers:
Aleks04 [339]3 years ago
7 0

Answer:

50.2 degreees

Step-by-step explanation:

I did math

sertanlavr [38]3 years ago
4 0

Answer:

50.2°

Step-by-step explanation:

\cos \angle D = 0.64\\\\\angle D = \cos^{-1}(0.64)\\\\\angle D = 50.20818\\\\\angle D \approx 50.2\degree

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vlada-n [284]

Answer:

11762.12

-hope this helped have a good rest of your day :)

Step-by-step explanation:

Calculate the area of the base (which is a circle) by using thee equation πr² where r is the radius of the circle. Then, multiply the area of the base by the height of the cylinder to find the volume. ... Since the volume V of a right circular cylinder is given by V = πr²h.

8 0
3 years ago
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Which situation can be represented by the equation below?
pav-90 [236]

Answer:

Where is the equation?

7 0
3 years ago
10
motikmotik

Answer:

9) x = 89°

10) x = 118°

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Step-by-step explanation:

9) 180-91 = 89

10) x = 118° because it is alternate interior to 118

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5 0
3 years ago
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siniylev [52]


If the weight of the little brother is x, then the weight of  Charles is x + 9

The equation that can be used to determine what each one weighs is:

x + (x + 9) = 99.

Let us now solve it.

x + x +9 = 99

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Little brother's  weight is 45 kg.

Charles'   weight  will be 45 + 9 =  54 kg

Adding these two weights will give 99kg

 

4 0
3 years ago
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Fittoniya [83]

Answer:

Step-by-step explanation:

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