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hoa [83]
3 years ago
5

I need help with 11 please I will give 10 points

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
7 0

a. true

b. true

c. true

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5. Joey has $125 to spend on school clothes this year. He only spent $80.00 on school
OLga [1]

Answer:

64%

Step-by-step explanation:

divide 80 by 125 and get .64

7 0
3 years ago
Read 2 more answers
Place parentheses in the expression 7^2+1-5x3 value is 135
SpyIntel [72]

Answer:

Step-by-step explanation:

[{((7^2)+1)-5}*3]

=[{(49+1)-5}*3]

=[{50-5}*3]

=[45*3]

=135

3 0
3 years ago
4-inch by 6-inch what is the width of 15 inches for a ratio table
quester [9]

This is a ratio problem; the ratio of the length to width is constant (and therefore equal):

4 /6 = 15 / x

Now, with a ratio, we may do any allowable algebra operation: cross-multiply, invert both sides, multiply or divide both sides by the same amount, etc.

Let's cross-multiply:

4x = (15)(6)

x = 90/4

x = 22.5 in.

3 0
3 years ago
Given the sequence -3, 9, -27, 81, -243, ..., find the recursive formula.
Tanzania [10]

Answer:

a_{n} = - 3a_{n-1}

Step-by-step explanation:

There is a common ratio between consecutive terms of the sequence, that is

r = 9 ÷ - 3 = - 27 ÷ 9 = 81 ÷ - 27 = - 243 ÷ 81 = - 3

The recursive formula is of the form

a_{n} = ra_{n-1} = - 3a_{n-1}

5 0
3 years ago
What is the greatest common factor for 25 and 77?
klemol [59]
The answer is 1
factors of 25 are 25, 5, 1
factors for 77 are 77, 11, 7, 1
3 0
3 years ago
Read 2 more answers
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