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Nat2105 [25]
3 years ago
12

Four times a certain number decreased by twice the same number gives 17. the number is​

Mathematics
1 answer:
Verdich [7]3 years ago
4 0

Answer:

8.5

Step-by-step explanation:

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Lilian has 42 feet of yarn. She wants to cut the yarn into 8 equal parts. How long will each part be?
GrogVix [38]

Answer:

A. Five and two eighths feet.

Step-by-step explanation:

42 (feet of yarn) ÷ 8 (equal parts) = 5.25 (feet of yarn that each part is)

5.25 =

5 \frac{1}{4}

or

5 \frac{2}{8}

because 1/4 = 2/8.

Hope this helps!

3 0
3 years ago
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Which answer describe the type of sequence? 3,9,15,21
Alenkinab [10]

Answer:

The sequence is arithmetic

we know that

In an arithmetic sequence, the difference between consecutive terms is always the same and is called common difference

In this problem we have

3,9,15,21,...

Let

a1=3, a2=9,a3=15,a4=21

a4-a3=21-15=6

a3-a2=15-9=6

a2-a1=9-3=6

The sequence is arithmetic

The common difference is equal to

5 0
3 years ago
9x²+12xy+4y²???PLEASE HURRY 15 POINTS~
irakobra [83]

Answer:

(3x+2y)²

Step-by-step explanation:

sorry for typing tyy i thought it said free points :/

6 0
3 years ago
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Any one want to talk
Troyanec [42]
Sure, what do you want to talk about??
8 0
3 years ago
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Given PQRS, solve for x​
Dmitrij [34]

Answer:

D

Step-by-step explanation:

Assuming the figure PQRS is a parallelogram, then opposite sides are congruent, that is

PQ = RS ← substitute in values

6x + 2 = 12 + x ( subtract x from both sides )

5x + 2 = 12 ( subtract 2 from both sides )

5x = 10 ( divide both sides by 5 )

x = 2 → D

7 0
3 years ago
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