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-Dominant- [34]
3 years ago
9

Estimate the sum of 4.27 and 9.91 by first rounding each number to the nearest whole number.

Mathematics
1 answer:
mart [117]3 years ago
4 0
4.27 + 9.91

Round them to the nearest whole number.

4.27 ⇒ 4
9.91 ⇒ 10

Now you can add them up.

4 + 10 = 14
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Cadie is going to toss three coins simultaneously. What is the probability that exactly two of the coins will land on heads?
Contact [7]

For each coin, there are <u>2 outcomes</u>, heads (H) or tails (T), so for the <u>3 coins</u>, the number of outcomes are:

2 x 2 x 2 = <u>8 outcomes:</u>

HHH / HHT / HTH / THH / TTT / TTH / THT / HTT

Out of all these outcomes, there are <u>3 ways</u>, we get exactly 2 Heads:

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So, the probability of exactly 2 coins landing on Heads is 3/8, or 0.375

4 0
3 years ago
HELPPP!!!
madam [21]

Answer:

2 and a half @ 2.5 inches (sorry i can't type the fraction)

Step-by-step explanation:

  • english is my second language so sorry if you doesn't understand:

(1/2, 1/4)=(x,y)

based on the graph shown that each grid on the y axis represents 1/4, that is the smallest scale stood in the y axis.

this means 2 grid= 1/4 x 2 = 1/2 @ 0.5 inches.

since the '5 months-hair-length' is above about 2 grid above 2 inch:

2 inch + 0.5 inch= 2.5 inch

4 0
3 years ago
2 3/8 • 1 1/6 <br> Help step sis I'm stuck
svlad2 [7]

Answer:

2.77083333333

Step-by-step explanation:

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6 0
3 years ago
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matrenka [14]
The answer is 5 minutes
7 0
3 years ago
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Given the angles in the diagram, what is the measure of ∠C ?
Westkost [7]
Since quadrilaterals have interior angles that add up to 360, then subtract the known values from 360

360 - 90 - 90 - 146 = 64

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