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Nikitich [7]
3 years ago
8

Which number is a perfect square ? a. 33 b. 37 c. 48 d. 49

Mathematics
2 answers:
maksim [4K]3 years ago
8 0

Answer:

49

Step-by-step explanation:

Because sqrt(49)=7

others are Real numbers

choli [55]3 years ago
7 0

Answer:

49.

Step-by-step explanation:

A perfect square is a number that can be expressed as the product of two equal integers. The only way to accurately calculate if a number is a perfect square is to find the factors.

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Please help! Will give brainliest and 10 points!
Anestetic [448]
<h2>The answer is D. 54d + 2</h2><h3>Hope it helps!! </h3>
3 0
2 years ago
You buy a brand new wax candle that stands 6 inches tall. Knowing that the rate at which the wax melts is approximately 1/100 of
ipn [44]

Answer:

y=-1/100x+6 or y=-1x+600

Step-by-step explanation:

6 inches is the Y intercept (600,0) if measuring by 1/100 or (6,0)

Since the wax is melting, the slope  is going to be negative

y=mx+6 or y=mx+600 either is fine and would yield the same results

y=-.01x+6, y=1/100x+6 or y=-1x+600

To explainn why 6 and 600 are both fine, 6 is measuring with full inches while the 600 is measuring with .01 inches. One graph will be full numbers while the other will be decimals.

4 0
3 years ago
Read 2 more answers
What quantity of 75 per cent acid solution must be mixed with a 30 per cent solution to produce 1080 mL of a 50 per cent solutio
Jlenok [28]

Answer: 480 mL, 600 mL

Step-by-step explanation:

Given

The concentration of the first acid is 75%

The concentration of the second acid is 30%

The final mixture has a concentration of 50%

The final volume is 1080 mL

Suppose x and y be the volume of the first and second acid

\therefore x+y=1080\quad \ldots(i)\\0.75x+0.3y=0.5\times 1080\quad \ldots(ii)

Solving the above equations we get

x=480,y=600

So, the quantity of the first acid is 480 mL and 600 mL for the second mixture.  

6 0
2 years ago
Find the percent of increase from 40 gallons to 89 gallons. Round to the nearest tenth of a percent if necessary.
tiny-mole [99]

Answer:

50

Step-by-step explanation:

because 89-49=49 49 rouded to the nearest ten is 50

3 0
2 years ago
1/5 ÷ 2. simple for a couple of points lol
Sergio039 [100]

0.1

Have a amazing day!!

8 0
3 years ago
Read 2 more answers
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