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Alika [10]
3 years ago
5

Select the expression equivalent to (-2x + 8.1y) - (-9x + 5.3y).

Mathematics
1 answer:
makvit [3.9K]3 years ago
3 0
ANSWER
D.) 7x+2.8y

Hope this helped!
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Each roll of tape is 30.5 feet long. a box contains 454 rolls of tape. in total, there are _ yards
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Answer: 4615.66667
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Compare using &gt;, &lt;, or =,<br> 64 ounces<br> 4 pounds
Anna11 [10]

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64 ounces = 4 pounds

Step-by-step explanation:

3 0
3 years ago
9.
siniylev [52]

Answer:

Slant height (s)= 12.1 cm

Step-by-step explanation:

Given: Base= 4.5 cm.

           Surface area of right square pyramid= 129.5 cm.

First, calculating slant height (s) of right square pyramid.

Surface area of square pyramid= (a^{2} +2\times a\times s)

a= side of square base.

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∴ 129.5= (4.5^{2} + 2\times 4.5\times s)

⇒ 129.5= (20.25+2\times 4.5\times s)

⇒ 129.5= (20.25+9\times s)

Now, opening the parenthesis and subtracting both side by 20.25.

⇒ 109.25=9\times s

cross multiplying both side

∴ Slant height (s)= 12.1

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3 years ago
Which statement is true about the data set?
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<span>x=<span>−<span><span>9<span> and </span></span>y</span></span></span>=<span>5
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