MATHEMATICS MIDDLE SCHOOL

What is the circumference of this circle? Use π ≈ 3.14. Round your answer to the nearest tenth of a centimeter.A.
40.8 cm

B.
132.7 cm

C.
81.6 cm

D.
20.4 cm

Answers

Answer 1
Answer: We need to now the diameter or radius to find out the circumference.

R times 2 then multiply the product with 3.14
             or
D times 3.14

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How to find cube root of 0.125

Which ordered pair in the form (a, b) is a solution of this equation?3a – 4b = 21

A.
(–3, –2)

B.
(0, 7)

C.
(–2, –3)

D.
(7, 0)

Answers

3(7)-4(0)=21
3*7=21-0=21
the answer is D
substitute the first number in the (  ) for a and the second for b
3(-3)-4(-2)
-9+8 does not =21

B.  3(0)-4(7)
0-28 does not = 21

C.  3(-2)-4(-3)
-6+12 does not =21

D. 3(7)-4(0)= 21 yeah

answer is D (7,0)

hope this helps

What times what give you 16

Answers

8 X 2 = 16Or 4 X 4 = 16

I need help on this question

Answers

500(.25)=125 is the answer

4.5 , 3.25 , 2 , 0.75
next three terms

Answers

-.5 , -1.75, 3 hope that's what you wanted

What are the intercepts of this function f(x)=-8x+4

Answers

Answer:

Step-by-step explanation:

to find the x-intercept:

Make y=0

0=-8x+4

8x =4

x=4/8

x=1/2

to find y-intercept:

Make x=0

y=-8(0) +4

y=4

Hope this helps!

Mark brainliest if you think I helped! Would really appreciate!

the x- intercept is (1/2,0), and the y- intercept is (0,4).

to find the intercepts, begin by replacing f(x) with y:

y=-8x+4

the equation is written in slope- intercept form, y=mx+b, where b represents the y- intercept. The value of b is 4, so this function has a y- intercept of (0,4).

substitute 0 for y and solve for x to determine the x- intercept

0=-8x +4

8x= -8x 8x +4

8x =4

8x/8=4/8

x=1/2

so the function has an x- intercept of (1/2,0)

The ratio of secondary turns to primary turns in a transformer is 37 to 4. How many secondary turns are there if the primary coil has 48 turns?

Answers

The ratio is the comparison of two quantities of the same units.

The number of secondary turns is 444 turns.

What is a ratio?

It is the comparison of two quantities of the same units.

It shows how much of one quantity is present in the other quantity.

We have,

The ratio of secondary turns to primary turns in a transformer = 37 to 4.

Let the number of secondary turns = 37x

Let the number of primary turns = 4x

The primary turns = 48 turn

4x = 48

x = 48/4

x = 12

Now,

The number of secondary turns:

= 37x

= 37 x 12

= 444

Thus the number of secondary turns is 444 turns.

Learn more about ratios here:

brainly.com/question/2462048

#SPJ2
37:4=x:48\n4x=37\cdot48\n4x=1776\nx=\boxed{444}
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