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xxTIMURxx [149]
3 years ago
12

Help with 21 please 22 is not needed

Mathematics
1 answer:
Gwar [14]3 years ago
8 0
We can't see the whole question :/
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FIND THE AREA...!!!!!
k0ka [10]
I think C I’m not sure but if you want me to explain I multiplied 12 x 10 and 20 x 6 and they both equal 120. So then I added 120 + 120 and got 240. Then u just added 8 because 8 was never use. Which will now look like 240 + 8 and that equal 248. :)
3 0
3 years ago
Write this quadratic equation in standard form.
oksano4ka [1.4K]

Answer:

-x^{2} + 3x -8 = 0

Step-by-step explanation:

  1. x^{2} + x -8  - 2x = 0
  2. x^{2} + 3x -8 = 0
6 0
3 years ago
12.5% of a number is 25, find the number
tankabanditka [31]

Answer:

200

Step-by-step explanation:

Let's call the number x :
12.5% of x = 25

Changing 12.5% into decimal would be 0.125

Now we have the equation :

0.125x = 25

Divide both sides by 0.125 to make x the subject :

x = 25 ÷ 0.125

x = 200

To check we can substitute this value into the question :

12.5% of 200 = 25

Hope this helped and have a good day

4 0
2 years ago
Which statements are true about the solution of 15 greater-than-or-equal-to 22 + x? Select three options. x greater-than-or-equa
Sidana [21]

Answer:

x \leq  -7

The graph has a closed circle.

–7 is part of the solution.

Step-by-step explanation:

Given

15 \geq 22 + x

Required

Select 3 options from the given list of options

15 \geq 22 + x

Subtract 22 from both sides

15 - 22 \geq 22 - 22+ x

-7 \geq x

Swap positions of the expression; Note that the inequality sign will change

x \leq  -7

This means  <em>x less-than-or-equal-to negative 7</em>

<em></em>

There are two options left to select;

The inequality sign in x \leq  -7 implies that the graph has a close circle.

Inequality signs such as \leq and  \geq signifies a close circle

There is only one option left to select;

Lastly;

Split the expression x \leq  -7 into two

We have:

x < -7 or x = -7

Because x = 7,

Then, -7 is also a part of the solution

3 0
4 years ago
A scuba diver was exploring a reef 32.12 m below sea level. the diver ascended to the surface at a rate of 8.8 m/min
7nadin3 [17]
Thank you for posting your question here at brainly. Below ist he answers:

a. T= d/r
b.  It's reasonable to write distance as a positive number because distance is always positive. You are not able to have a negative distance. Imagine someone standing on a side walk. Even if they are not moving, their distance is 0 which is positive. If they move backwards or forwards, their distance is still positive because it is more than that 0 and they are gaining something. 
c. T= d/r
T= 32.12 m /<span>8.8 m/min
T= 3.65 min
</span>
7 0
3 years ago
Read 2 more answers
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