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boyakko [2]
3 years ago
11

20 POINTS)

Mathematics
1 answer:
olga_2 [115]3 years ago
5 0

Answer:

D) 1,2

Step-by-step explanation:

Zeroes of a function are the x-values where y= 0

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SOMEONE HELP ASAPPPP PLEASEEE,PLEASE EXPLAIN HOW U GOT YOUR ANSWER, I NEED AN EXPLANATION IN ORDER TO COMPLETE THIS! NO LINKS OR
slega [8]

Answer:

1)

A)

We must use the formula b x h/2  12 x 8/2 = 48    

A=48

B)

We must use the formula 1/2a root c squared - a squared

Solving and substituing will get you 35.78

2)

A)

We must divide 81 by 2 to get 9. Since this is a square, all sides will be 9. Then, we must add 9 four times to get 36 cm as our perimeter

B) If we draw the square with a diagonal line, we can understand that the diagonal line (hypotenus) is  s root 2.

3) The formula for this area of a triangle is h x b/2. We must substitute the numbers to get our answer:

h x b /2 = 10 x 20/2 = 200/2 = 100

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Step-by-step explanation:

5 0
2 years ago
What is the area of this trapezoid?
dem82 [27]

Answer:

it is c 21 m2

Step-by-step explanation:

My reason is becuase if you multiply 6 and 1 then you 6 and if you multiply 5 and 3 you get 15 so then you add 15 and 6 and then you get 21 means answer is 21 and M2 hope this helps :)

5 0
3 years ago
Find the missing side in the similar figures below
Lerok [7]

Answer:

a. 28.8

Step-by-step explanation:

Using the theorem of similarity, the following equation can be generated:

\frac{x}{12} = \frac{25 + 35}{25}

Solve for x

\frac{x}{12} = \frac{60}{25}

Cross multiply

x*25 = 60*12

25x = 720

Divide both sides by 25

x = 28.8

5 0
2 years ago
To find 19+(11+37) Lenny added 19 and 11. Then he added 37 to the sum .which property did he use
Alika [10]
He used the property of addition. Hope this helps. Please mark me as brainliest if I am right.
8 0
3 years ago
Allison measured a line to be 5.4 inches long. If the actual length of the line is 5.5 inches, then what was the percent error o
valentina_108 [34]

Answer:

1.85%

Step-by-step explanation:

→ Find the difference between the actual and predicted

5.5 - 5.4 = 0.1

→ Divide answer by 5.4

0.1 ÷ 5.4 = 0.01851851851

→ Multiply answer by 100

0.01851851851 × 100 = 1.85%

7 0
2 years ago
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