2 years ago

What is the value of b? help help

Mathematics

1 answer:

Vesna [10]2 years ago

6 0

Answer:

Step-by-step explanation:

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The options for the first blank are 45, 240, 270, and 315

Schach [20]

Answer:

The solutions are 270° and 450°.

Step-by-step explanation:

Given:

$cos\frac{x}{2} =\frac{\sqrt{2} }{2}$ .

So, the second and third quadrant angle to be calculated.

$cos\frac{x}{2}=135$

$=x=270$ °.

And, $cos\frac{x}{2}=225$

$=x=450$ °

Therefore, the solutions are 270° and 450°.

5 0

2 years ago

<img src="https://tex.z-dn.net/?f=4x%20-%20%20%7Bx%7D%5E%7B3%7D%20" id="TexFormula1" title="4x - {x}^{3} " alt="4x - {x}^{3} "

nydimaria [60]

X(2+x)(2-x) I think that’s correct

3 0

2 years ago

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Joshua decided he did not want to study for the test so he randomly chose answers to a 5 question test. If each question had 4 a

Veronika [31]

Answer:

there is a 0.0009765625 in 1 chance that he got 100%.

Step-by-step explanation:

possibility of getting a question right: 1/4

# of questions: 5

(1/4)^5 is 0.0009765625

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3 years ago

A farm has a small water tank with a diameter of 10 feet and a height of 4 feet. What is the lateral surface area of the water t

svp [43]

The Shape in this question is a cylinder
And the formula for finding the L.S.A of a cylinder is 2*pie*r*h
From the question, we are given the diameter so to get the radius we will divide the value for diameter by 2
D = 10/2
=5
Now, 2*3.14*5*4
L.S.A =125.6

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3 years ago

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Change the following subtraction expression to addition: 2 - 11

tester [92]

Answer:

I think it would be 2+ -11

Step-by-step explanation:

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3 years ago

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