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horsena [70]
3 years ago
11

On a soccer team, 40% of the goals are

Mathematics
1 answer:
Aleks [24]3 years ago
6 0

40 \div 100 \times 70 \\ 4 \times 7 = 28 \\ 70 - 28 = 42

Step-by-step explanation:

First find 40% of 70, which is 28

Then subtract the 28 from 70 to find the goals scored by the rest of the team

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If sin phi sin theta = 0.2 and sin phi cos theta = -0.3 and sin phi > 0 what is theta ? Repeat for sin phi < 0.
Rina8888 [55]

Answer:

θ = -33.69°

Step-by-step explanation:

For Φ>0 and Φ<0  (in general Φ≠nπ  where n is an integer), sin(Φ) ≠ 0

Dividing both equations:

\frac{sin(\phi) sin(\theta)}{sin(\phi)cos(\theta)} = tan(\theta) = 0.2/(-0.3)=-2/3\\

Therefore:

arctan(θ) = -2/3

  θ = -33.69°

The answer does not depend on the sign of Φ, in fact we just need that the sine does not become zero, which occurs when Φ is equal to an integer times π (radians) or 180 (degrees)

Have a nice day!

3 0
3 years ago
Mikel walks down 5 flights of stairs . each flight has 8 steps. which describes mikel's descent
Ludmilka [50]

Answer:

40 steps downwards

Step-by-step explanation:

4 0
2 years ago
What is the value of the expression?
Vesnalui [34]

1.583 3 is repeating

Hope this help you !

4 0
3 years ago
5 1⁄2 × 3 3⁄5 × 1 1⁄3
gayaneshka [121]
The answer should be 3/2 or 1.5

Hope this helps!
7 0
2 years ago
Read 2 more answers
If f(x) = 5x – 2 and g(x) = 2x + 1, find (f+9)(x).<br><br> A)3x-1<br> B)7x-1<br> C)7x-3<br> D)4x-3
Damm [24]
<h3>Answer:</h3>

B) 7x - 1

<h3>Step-by-step explanation:</h3>

In this question, you're going to solve by adding both f(x) and g(x) together.

You're finding (f+g)(x), meaning that you will be adding both of the equations to get your answer.

What (f+g)(x) looks like:

(5x - 2 + 2x + 1)(x)

What you would do is solve to get your answer. You're going to be combining like-terms and adding.

(5x - 2 + 2x + 1)(x)\\\\\text{Combine the values with x}\\\\7x-2+1\\\\\text{Now you would finish by adding -2 and 1}\\\\7x -1

When you're done solving, you should get 7x - 1

This means that B) 7x - 1 would be the correct answer.

<h3>I hope this helps you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
4 0
3 years ago
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