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RSB [31]
3 years ago
15

F+ 20 = -1 Solve the equation and check your solution

Mathematics
1 answer:
Leona [35]3 years ago
6 0

Answer:

f=-21

Step-by-step explanation:

-21+20=-1

f has to be a negative number as the answer is negative and -21 is the only plug in that would make sence as the answer is negative one.

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What is the area of this figure? <br><br> Enter your answer in the box.
ale4655 [162]

Answer:

42 units squared

Step-by-step explanation:

break it up into smaller shapes. if you split the big shape at y = 2 and at y=-2, you'll get two triangles and one rectangle.

so the area of the rectangle = l x w

= 4 x 7

= 28

the area of the triangle is ( l x w )/2

= (7 x 2)/2

= 7

the other triangle is the same too

so the area of that is also 7.

now add all areas,

7+7+28 = 42

8 0
3 years ago
Read 2 more answers
So I need help with this math question
Dvinal [7]
There is a reflection along the y-axis

so the AB = SG      = AB you may put it if they ask or not

BC =  GP

CA = PS
7 0
4 years ago
What is the best approximation for the circumference of a circle with a radius of 125 m?
miskamm [114]
Forumla for circumference is
pi x diameter
or
 pi x 2 x radius
so we are going to use the second formula to estimate the answer without a calculator.
3 x 2 x 125
3 x 2 =6
6 x 125 = 750.
the closest answer is 785m. That is the answer.
5 0
4 years ago
Read 2 more answers
Listen i know its dumb but- <br> solve for w<br> 10 + w = -9
Darya [45]

<u>Answer:</u>

<em><u>w = -19</u></em>

<em><u></u></em>

<u>Explanation:</u>

To solve this equation, subtract ten from both sides. This will isolate the variable (w) and allow us to find its value.

10 + w = -9\\(10 - 10) + w = (-9 - 10)\\w = (-9 - 10)\\w = -19

If you would like to double check that the variable (w) does in fact equal negative nineteen, substitute the value of the variable in the equation and solve.

10 + w = -9\\10 + -19 = -9\\-19 = -19 [true]

Therefore, the value of w in the given equation is <em><u>-19.</u></em>

7 0
3 years ago
Determine the value of the following if it is possible. If it is not possible, explain.
lesantik [10]

Answer:

The answer is A. Took the test.

Step-by-step explanation:

3 0
3 years ago
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