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Alexus [3.1K]
3 years ago
15

Select the number sentence that illustrates the commutative property of addition.

Mathematics
2 answers:
LuckyWell [14K]3 years ago
5 0
10+23=23+10. That is because commutative property is when you have two equations that's equal the same amount. You can tell it is of addition because it's basically using addition to find the answer to both equations (which are the same)
zhuklara [117]3 years ago
3 0
I would say 23+10=33
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1.What are the values of the 6s in 36,621?
enot [183]
1) The value of 6s in 36,621 are 6,000 and 600.

first 6 is in the thousands place value while the second 6 is in the hundreds place value.
6 x 1000 = 6,000 and 6 x 100 = 600

2) The first 4 is ten times greater than the second 4 is shown in 354,426

the first 4 is in the thousands place value while the second 4 is in the hundreds place value
4 x 1000 = 4000 and 4 x 100 = 400

based on the question the first 4, which is 4000, is ten times greater than the second 4, which is 400.
we can check if this statement is true either by dividing 4000 by ten or multiplying 400 by ten.

4000/10 = 400 ; 400 x 10 = 4000. therefor, out of the 4 numbers given, the correct one is 354,426

3) The relationship of the two 5s in 552 is shown in 500 ÷ 50 = 10

based on its place value, the first five is in the hundreds place and the second five is in the tens place.

500 ÷ 50 = 10. This equation states that 500 is ten times greater than 50.

4) In 2,077 the first 7 is greater than the second 7 by 10 times.

using place value, first 7 is in the tens place while second 7 is in the ones place.

first 7 is 70; second 7 is 7. we divide 70 by 7 to know how many number of times 70 is greater than 7.

70 ÷ 7 = 10 times.


8 0
3 years ago
Questions:
Nimfa-mama [501]
Bread - 3 choices
Meat - 5 choices
Veggies - 7 choices

1br 1mt 1vg = 3×5×7 = 105

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6 0
4 years ago
Area and percent . ​
siniylev [52]

Answer:

a. 61.92 in²

b. 21.396 ≈ 21.4%

c. $4.71

Step-by-step explanation:

a. Amount of waste = area of rectangular piece of stock - area of two identical circles cut out

Area of rectangular piece of stock = 24 in × 12 in = 288 in²

Area of the two circles = 2(πr²)

Use 3.14 as π

radius = ½*12 = 6

Area of two circles = 2(3.14*6²) = 226.08 in²

Amount of waste = 288 - 226.08 = 61.92 in²

b. % of the original stock wasted = amount of waste ÷ original stock × 100

= 61.92/288 × 100 = 6,162/288 = 21.396 ≈ 21.4%

c. 288 in² of the piece of stock costs $12.00,

Each cut-out circle of 113.04 in² (226.08/2) will cost = (12*113.04)/288

= 1,356.48/288 = $4.71.

3 0
4 years ago
Explain what is 90% of 180
Yakvenalex [24]

Answer:

The answer is 162.

Step-by-step explanation:

To find the percentage of a number:

Turn the percentage into a decimal. 90% to .90

Multiply the decimal by the number you want to find the percentage of. .90 x 180

The answer is the product.

4 0
3 years ago
Suppose you have two similar trapezoids with a scale factor of 2. If the angle measures of trapezoid ABCD are 80∘, 80∘, 100∘, an
deff fn [24]

Answer:

160, 160, 200, 200

Step-by-step explanation:

All you have to do is double the numbers.

7 0
4 years ago
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