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Shalnov [3]
3 years ago
12

Which choice is equivalent to the expression below? 7x√2 - 4√2 + x√2

Mathematics
1 answer:
yarga [219]3 years ago
7 0

Answer:

D

Step-by-step explanation:

8x \sqrt{2}  - 4 \sqrt{2}

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\frac{1}{4}  \div 5 \\  =  \frac{1}{20}

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How to solve the problem
lawyer [7]

Answer:

1440

Explanation:

1200 × .05 = 60

60 × 4 = 240

1200 + 240 = 1440

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3 years ago
Here are two offers for batteries.
trapecia [35]

OFFER A is cheaper.

Step-by-step explanation:

Given,

OFFER A

Pack of 5

£2.75

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And

OFFER A

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£2.75

Pay for 3 packs get 1 free

To find which offer is cheaper.

<u>For OFFER A</u>

For 4 Packets he needs to pay £2.75

He needs to buy 40 batteries.

He needs to buy 40÷(4×5) = 2 packets.

Total cost = £2.75 ×2 = £5.5

<u>For OFFER B</u>

For 4 Packets he needs to pay £2.52

He needs to buy 40 batteries.

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7 0
3 years ago
You exercise for one hour each day and you burn 8.5 calories per minute. If you graphed the number of calories you burned as the
mezya [45]
For every minute you exercise you burn 8.5 calories. It's a linear pattern, so the graph would be a line.
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The answer is D.
4 0
3 years ago
If x = 10, what is the first step you would do to answer 3x 2
Vinvika [58]

Answer:

300

Step-by-step explanation:

X^2=10×10=100

3×100=300

3 0
3 years ago
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