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slavikrds [6]
3 years ago
7

What is the equivalent expression to 9+(5+3). Help

Mathematics
1 answer:
Gelneren [198K]3 years ago
3 0
9+(5+3) is going to be 17
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Step-by-step explanation:

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Evan budgets $3,000 a month to spend on living expenses for his family. The table expresses the portion spent on each cost as a
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3 years ago
On a scale drawing 2 centimeters represent 50 meters. How many centimeters represent 5 meters?
Tanya [424]

Answer:

0.2 centimeters

Step-by-step explanation:
Strategy 1:

Make the equation: 5=a•s, where s is the scale factor and "a" is the number of centimeters which 5 meters

First, we need to find the scale factor. 50 meters would be s times greater than 2 centimeters. Find s by first converting meters into centimeters
50m=5000cm. 5000cm=2cm*s, so s = 2500
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Strategy 2:
the ratio of the scale drawing to real life will always stay the same, so
2 cm / 50 meters = x / 5 meters, and cross multiply to get
x cm* 50 m = 2 cm * 5 m, so
x cm * 10 = 2 cm
x cm = 2/10 cm
x cm = 0.2 cm

Strategy 3:
Notice that 5 meters is 10 times smaller than 50 meters, so on the scale drawing, we are looking for a number 10 times smaller than 2 centimeters, so  2/10=0.2 cm

8 0
2 years ago
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Solve 8 + 3 = −13, for each step, identify the property used
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Answer:

-2

Step-by-step explanation:

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