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katovenus [111]
3 years ago
12

Find the roots of the function 8x^2+20=148

Mathematics
2 answers:
weqwewe [10]3 years ago
5 0

Answer:

it's B +/-4

Step-by-step explanation:

erastova [34]3 years ago
3 0

Answer: +/- 4

Step-by-step explanation:

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Add the following numbers. (-4) + (-9) =
soldi70 [24.7K]

Answer:

-13

Step-by-step explanation:

Adding a negative means that you subtract the number as + (-) = -

This means that the equation is -4-9=-13.

6 0
3 years ago
a running relay team ran a 400 meter race in a record-setting time of 36 seconds.what was their average speed to the nearest ten
s344n2d4d5 [400]

Answer:

  1. 40<em><u>6</u></em><em><u>8</u></em><em><u>5</u></em><em><u>8</u></em><em><u>r</u></em><em><u>e</u></em><em><u>u</u></em><em><u>y</u></em><em><u>y</u></em><em><u> </u></em><em><u>igcbjiy469633</u></em>
7 0
1 year ago
I need help on 8 and 9 plz help me
pochemuha
7 is just adding.
8 is counting by odd numbers.
9 is a rotation
3 0
2 years ago
Need some help! I’ll help you back!
oksian1 [2.3K]

Answer:

104.73cm²

Step-by-step explanation:

AREA OF SEMI CIRCLE

9cm-4cm = 5cm

5cm is the radius of the semi-circle

(πr²)/2 =

25π/2 = 12.5π

AREA OF SQUARE

16cm*9cm = 144cm²

AREA OF THE FIGURE SHOWN

144cm² - 12.5cmπ²

144cm² - 39.27cm² = 104.73cm²

4 0
3 years ago
Please can I check with you the answer for nbr 12?<br> Is it correct?
Crank

Answer:

B and C

Step-by-step explanation:

  • B = 2,4,6
  • =3,6
  • C= 2,4,6,8,10,12
  • = 6,12
8 0
2 years ago
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