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yKpoI14uk [10]
4 years ago
9

How do i solve this?

Mathematics
1 answer:
AfilCa [17]4 years ago
6 0

Answer:

see below

Step-by-step explanation:

If the left-side tiles are numbered 1–7 from top to bottom, their order on the right is ...

7 — denominators factored

6 — common factors canceled

5 — make the left side have the same denominator as the right

3 — express the sum over the common denominator

2 — collect numerator terms

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Sam says 90 ÷ (–9) = 10. Is he correct? Use the drop–down menus to explain your answer.
SashulF [63]

Answer:

No.

Step-by-step explanation:

Sam is incorrect because if you look at the original problem, you'll see that he has missed the negative sign!

90 / 9 does equal 10, but 90 / -9 equals -10.

The only way to get a positive answer is if both the divisor and dividend are positive or if they are both negative.

Thus, the correct answer should be -10.

3 0
3 years ago
What are the mensure of 1 angle and 2 angle? Show ur work or explain
STatiana [176]

Answer:

angle 1 = 105º

angle 2  = 75º

Step-by-step explanation:

angle 2  = 75º

corresponding angle to the 75º angle

angle 1 = 105º

it's supplementary to angle 2

180 - 75 = 105

6 0
3 years ago
Please help me. this is hard
allochka39001 [22]
Since it is a square that means each side is equal.
The perimeter is 24, and since there is four sides we would divide it by four to find the length of each side.

24/4 = 6

Each side is 6.
By looking at the picture, one side of the square, is the length of the radius.

The radius of the square is 6.

The only thing left to do is to find the circumference.
The circumference formulas are:

C = \pid
C = 2\pir

We can use the first one Diameter x pi (3.14)
To find the diameter we would just multiply the radius by two.

6 x 2 = 12

Diameter = 12

So multiply it by pi

12 x 3.14 = 37.68
or D 12\pi



7 0
3 years ago
A store had 235 MP3 players in the month of January. Every month ,30% of the MP3 players were sold and 50 new MP3 players were s
larisa86 [58]
F(n)=235-(235*.3^n)+50n is your equation where * is multiplication and ^ it to the power to.
8 0
3 years ago
Expand the following 4/5 (20x - 10)
marin [14]
4/5 (20x - 10)...use distributive property...basically multiplying the 4/5 by everything in the parenthesis,

4/5 * 20x - 4/5 * 10 =
16x - 8
3 0
4 years ago
Read 2 more answers
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