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3 years ago

55% of what number is 70? Round to the nearest tenth.

Mathematics

2 answers:

umka2103 [35]3 years ago

5 0

55% of x is 70
0.55 times x=70
divide both sides by 0.55
127.27272727
round
127.3

Angelina_Jolie [31]3 years ago

5 0

To answer the question, let x be the unknown number. The product of this number and the decimal equivalent of the given percentage should be 70. The equation that best represent the given above is,
0.55x = 70
x = 70 / 0.55 =127.27
Thus, 55% of 127.27 is equal to 70.

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Given: -1/2x>6. Choose the solution set

Step2247 [10]

Answer:

Step-by-step explanation:

multiply both sides by 2 to eliminate the fraction

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multiply both sides by - 1

Remembering to reverse the inequality symbol as a consequence

x < - 12 ← reverse symbol

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3 years ago

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shtirl [24]

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denis23 [38]

Hello!

Answer:

1. =-6

2. =39

3. =-603

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Explanation: This question's it's about the order of operations. It stands for p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right. (PEMDAS)

1. -4(3-1)+2

Do parenthesis first.

$(3-1)=2$

$-4*2+2$

Then do multiply left to right.

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Add left to right.

$-8+2$

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*Answer should be have negative sign.*

Answer: → $\boxed{=-6}$

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2. 3⋅[(30−8)÷2+2]

Do parenthesis first.

$(30-8)=22$

$22/2+2$

Then divide left to right.

$22/2=11$

Add left to right.

$11+2=13$

Multiply left to right.

$3*13=39$

*Answer should be have positive sign.*

Answer: → $\boxed{=39}$

_____________________________________________________

3. 14(1-23)2+13

Do parenthesis first.

$(1-23)=-22$

$14(-22)*2+13$

Then, you multiply left to right.

$14(-22)=-308$

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Add/subtract left to right.

$-616+13$

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Answer: → $\boxed{=-603}$

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Hope this helps!

Thank you!

Have a great day!

-Charlie

7 0

3 years ago

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dangina [55]

Answer: X=136 degrees
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3 years ago

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Sedbober [7]

Answer:

250

Step-by-step explanation:

If 5:7 = ?:350.

Since 350/7=50.

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