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vlada-n [284]
3 years ago
7

Multiply (x+8) (x-5)

Mathematics
1 answer:
labwork [276]3 years ago
3 0

Step-by-step explanation:

(x+8) (x-5)

multiply

x×x=x

8×-5=-40

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Solve the equation. <br> 5/6 x-4 = -2
lora16 [44]

Answer:

2 2/5

Step-by-step explanation:

5/6 x-4 = -2

Add 4 to each side

5/6 x-4+4 = -2+4

5/6 x = 2

Multiply by 6/5 to isolate x

6/5 *5/6 x = 6/5 *2

x = 12/5

Changing this from an improper fraction

5 goes into 12   2 times with 2 left over

x = 2  2/5

7 0
4 years ago
Find the value of x. Using trig
scoundrel [369]

Hi there! We can find the value of x by using this equation.

\large \boxed{tanx =  \frac{19}{23} }

If you remember, tanx = opposite/adjacent. We focus on the angle x currently.

Now that you might wanna ask if there is a value of x that makes 19/23. The answer is yes but in decimal.

\large{arctan( \frac{19}{23} )} = x

You might wanna put arctan(19/23) in a calculator since it's not really possible to get the square root like value by yourself.

arctan(19/23) is 0.69

Then we round up and get 0.7

Hence, the value of x ≈ 0.7

Answer

  • x ≈ 0.7 (rounded)

Questions can be asked through comment.

Hope it helps, and Happy Learning! :)

4 0
3 years ago
30 % are boys<br> 77 people -&gt; only girls<br> how many people are there in total?
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7 0
3 years ago
Terrence made a sphere out of modeling clay. The sphere had a radius a of 2 inches.
Gekata [30.6K]

Answer:

33.51 in³

Step-by-step explanation:

Sphere volume formula: \frac{4}{3} \pi r^3

\frac{4}{3} \pi 2^3= 33.51

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3 years ago
One hundred times the quantity nine plus four
Zarrin [17]
If you need an equation, than it would be 100 x 9+4
8 0
3 years ago
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