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marishachu [46]
3 years ago
8

PLEASE HELP ASAP!! CORRECT ANSWERS ONLY PLEASE!!!

Mathematics
1 answer:
BartSMP [9]3 years ago
4 0

Answer:

A. 9.46

Step-by-step explanation:

The best approach for this problem is to use trig ratios.

The best option would be to use sine.

Sin = opposite/hypotenuse

Sin(72) = 9/x

x = 9/Sin(72)

x = 9.46

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Using the digits 0 to 9 at most one Time each,fill in the boxes below to write equations whose solution is 1/2
andrezito [222]

Answer:

The equation is 4x + 5 = 2x + 6

Step-by-step explanation:

The solution is \frac{1}{2} means x = \frac{1}{2}

Let us put the coefficient of x in the left hand side = 4 and the coefficient of x in the right hand side = 2

∵ 4x - 2x = 2x

Now we need two numerical terms their difference is 1 like 5 and 6 or 6 and 7 or 7 and 8 or 8 and 9

Let us take 5 and 6

∵ 4x + 5 = 2x + 6

- Subtract 2x from both sides

∴ 2x + 5 = 6

- Subtract 5 from both sides

∴ 2x = 1

- Divide both sides by 2

∴ x = \frac{1}{2}

∴ The solution is  \frac{1}{2}

The equation is 4x + 5 = 2x + 6

8 0
3 years ago
Find the solution to the system of equations. <br> y= -5x+6<br><br> y=3x-2<br><br> x=<br> y=
Neporo4naja [7]

Answer:

x=1, y=1. (1, 1).

Step-by-step explanation:

-5x+6=3x-2

-5x-3x+6=-2

-8x+6=-2

-8x=-2-6

-8x=-8

8x=8

x=8/8

x=1

y=3(1)-2=3-2=1

8 0
3 years ago
Read 2 more answers
Can someone explain to me how to remove all the perfect squares ? I’m kind of confused and my teacher is unavailable to help and
mixer [17]

Answer:

b^2√30b

Step-by-step explanation:

√30b^5 - Original

Break down the radical with its factors (factor tree)

√3*2*5*b*b*b*b*b  

See what perfect squares you can take out (Can take out four b terms)  You cant take out any perfect squares involving 30 since there are no perfect squares

b^2√3*2*5*b

b^2√30b

4 0
2 years ago
X^2+6X=16 is a quadratic equation what are the solutions?
IgorC [24]
The answer is 2,-8.
But I am not sure. Hope this will help you!
4 0
3 years ago
Read 2 more answers
Please help Faaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaast 2x ≤ − 2/7 (8x + 8)
soldi70 [24.7K]

Answer:

<h2>x\leq -  \frac{8}{15}</h2>

Step-by-step explanation:

<h3>2x \leq -  \frac{2}{7} (8x + 8)</h3>

<u>First of all multiply through by 7</u>

We have

<h3>14x\leq - 2(8x + 8)</h3>

<u>Expand the terms in the bracket</u>

That's

<h3>14x\leq - 16x - 16</h3>

<u>Add 16x to both sides</u>

That's

<h3>14x + 16x\leq16x - 16x - 16 \\30x\leq - 16</h3>

<u>Divide both sides by 30</u>

We have the final answer as

<h3>x\leq -  \frac{8}{15}</h3>

Hope this helps you

5 0
3 years ago
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