3 years ago

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Mathematics

1 answer:

Klio2033 [76]3 years ago

7 0

Answer:

C. 7.5

Hope it helps you

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(4.9 x 10-2) (9.80 x 102) in scientific notation

goldenfox [79]

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Find the length of the arc. Use 3.14 for the value of 7. Round your answer to the nearest tent

nexus9112 [7]

Answer:

15.70

Step-by-step explanation:

2×3.14×10(90÷360)=15.70

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Find the area of each figure. Round your answer to the nearest tenth.

Pie

Answer:

17. 9 yd^2

18. 37.5 yd^2 ( I'm not sure it is the right one.)

Step-by-step explanation:

17. 3*3 =9

18. 5*15/2=37.5 yd^2

5 is the side of the pentagon

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Which questions are appropriate statistical questions for a survey about a book that was read in Language Arts class?

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A. D. I think would be most suitable

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3 years ago

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Please help me. I will give first person brainliest.

pychu [463]

Question 3:

Since, EG = EF + FG

$64 = 2x-2+3x+1$

$64 = 5x -1$

$65 = 5x$

x = 13

So, EF = $2x-2$

= $(2 \times 13)-2 = 26-2=24$

So, EF = 24 units.

Question 4:

Since, $XY \cong YZ$

So, $XY = YZ$

$9x-7 = 3x+5$

$6x = 12$

So, x =2

Question 5:

Since, $XY \cong YZ$

By being congruent, the measures of the segments are equal.

So, $9x-7 = 3x+5$

$9x - 3x = 12$

$6x = 12$

So, x = 2

Now, XZ = $XY + YZ$

XY = 9x - 7 = $(9 \times 2) - 7 = 11$

YZ = 3x + 5 $= (3 \times 2) + 5 = 11$

XZ = XY + YZ = 11 + 11 = 22 units.

Question 6:

It is given that $m \angle ABC \cong m \angle DBE$

It means that the measures of these two angles are equal.

Since, measure of angle ABC is 35 degrees.

Therefore, the measure of angle DBE is 35 degrees.

7 0

3 years ago

I need Help Fast Asap​

I need Help Fast Asap