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3 years ago

Please help i don't know

Mathematics

1 answer:

Alex73 [517]3 years ago

5 0

I think its A but in inxtinct it telling me D so i would go with it as the correct answerr

Hope this helps

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X-5=5x-13<br> i need the steps

posledela

Answer:

x=2

Step-by-step explanation:

x-5=5x-13

5x-x=-5+13

4x=8

x=8/4

x=2

4 0

3 years ago

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PLEASE HELP

Serga [27]

180=9×w
length=9
width=20
perimeter=58

5 0

3 years ago

The sum of nine and six-tenths and a number is thirteen and two-tenths. What is the number?

lawyer [7]

So the first thing we need to do is set up an equation (using x to represent the number). Then, we'll solve it to get the answer.

Step 1: Translate the word problem into an equation

Word problem: The sum of nine and six-tenths and a number is thirteen and two-tenths.

Equation: $9 \frac{6}{10}$ + x = $13 \frac{2}{10}$

Step 2: Isolate x by subtracting $9 \frac{6}{10}$ from each side

$9 \frac{6}{10}$ + x - $9 \frac{6}{10}$ = $13 \frac{2}{10}$ - $9 \frac{6}{10}$

Step 3: The numbers on the left cancel out, leaving x alone

x = $3 \frac{6}{10}$

Step 4: Convert the answer to decimals

x = 3.6

4 0

3 years ago

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1/10, 3/20, 5/30, 7/40 arithmetic sequence geometric sequence neither

adell [148]

If a, b, c is an arithmetic sequence then a + c = 2b

a = 1/10; b = 3/20, c = 5/30

a + c = 1/10 + 5/30 = 3/30 + 5/30 = (3+5)/30 = 8/30
2b = 2 · 3/20 = 3/10 = 9/30

8/30 ≠ 9/30

If a, b, c is a geometric sequence then ac = b²

ac = 1/10 · 5/30 = 1/2 · 1/30 = 1/60
b² = (3/20)² = 9/400

1/60 ≠ 9/400

<span>Answer: Neither.</span>

3 0

3 years ago

Is 7/8 or 11/10 closer to 1 how did you decide

Nataliya [291]

Think about it like percents out of 100. 7/8 is 87.5% and 11/10 is 110%

hope this helps

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3 years ago

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