MATHEMATICS HIGH SCHOOL

Find the approximate circumference of a circle (in inches) if the diameter is 14 inches

Answers

Answer 1

Answer:

Answer:

43.96 inches

Step-by-step explanation:

The formula that you have to find the circumference is.

C = π d

Here,

C = circumference

d = diameter

Let us find now.

C = π d

C = π × 14

C = 3.14 × 14

C = 43.96 inches

Hope this helps you :-)

Let me know if you have any other questions :-)

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Solve
7 + x - 15 = 2 2/3

Answers

Get x on its own side

7+x-15=2 2/3
+15 +15
7+x=17 2/3
-7 -7
x= 10 2/3
Hope I helped

Let's solve your equation step-by-step.7+x−15=223
Step 1: Simplify both sides of the equation.
x−8=8/3
Step 2: Add 8 to both sides
.x−8+8=8/3+8x=32/3
Answer:x=10 2/3

Can you guys help me with this too? Thank you :)))

Answers

Answer:

x = 10

Step-by-step explanation:

First look at the big overall triangle.

It has a right angle and another angle of 44; therefore the missing angle is (since the sum of angles inside a triangle is 180)

180 - 90 - 44 = missing angle

missing angle (top) = 46; now the angle of a straight line is 180 and they give you 56° which has a supplementary angle of 180 - 56 = 124°.

Now we know that the triangle that include the x has angles 46° (missing top angle), and supplementary angle of 124°. Therefore

x = 180 - 46 - 124

x = 10

The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number is 27 less than the original. Find the original number.

Answers

I did another one just like this about an hour ago. I did it the elegant, tedious way,
and it took about 2 feet of screen. Then I realized there was a totally bourgeois but
easy way to do it. For 5 points, I'll give you the method for the masses:

List all the possible pairs of digits that add up to 9, along with their flips:

18 . . . . . 81
27 . . . . . 72
36 . . . . . 63
45 . . . . . 54

Do you see any pair that are different by 27 ?
How about 36 and 63 ?

So the original number is 63, and when you flip it, it becomes 36, which is 27 less.

(Picture Attached)20 Pts:

Which of the following completes the proof? (6 points)

By the midpoint formula

By definition of congruence

Given

By construction

Answers

by the mid point formula is my best guess

What is 80% of 400?

Answers

$80\%\ of\ 400= (80)/(100) \cdot400=80\cdot4=320$

80 % of 400 :

$80/100 * 400 \n = 0.8 * 400 \n = 320$

The polynomial y = x2 + 6x + 9 has a repeated factor. (It may help to graph the equation.) A.True B.False

Answers

For the answer to the question above asking if it is true or false that The polynomial y = x2 + 6x + 9 has a repeated factor.
The answer to this question is true and that would be 3
(x+3)(x+3)
I hope my answer helped you.

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