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____ [38]
3 years ago
7

I need help on this question (^~^;)ゞ​

Mathematics
1 answer:
vfiekz [6]3 years ago
7 0

Answer:

21) x = 0

23) x = 7

Step-by-step explanation:

In a parallelogram, the opposite sides are congruent. Using this fact, we can create equations for both problems.

21)

2x + 18 = 18

Subtract 18.

2x = 0

Divide by 2.

x = 0

23)

2x - 3 = 11

Add 3.

2x = 14

Divide by 2.

x = 7

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A student spend $56.35 on school supplies at a store where the sales tax is 6.5%. What is the total cost of the supplies?
ArbitrLikvidat [17]

Answer:

$60.01

Step-by-step explanation:

To find tax you first multiply the original price x the tax(make sure to change it into a decimal)

56.35 x 0.065 =3.66

Then you add the original price and the result.

56.35 + 3.66 = $60.01

7 0
3 years ago
Robert ties 9 bows in 7 minutes. How many bows can he tie in 14 mins
Dmitriy789 [7]

Answer:

18 bows

Step-by-step explanation:

14/7 is 2

9x2 = 18

6 0
3 years ago
Read 2 more answers
Nearest to 10, 100,1000 ,10000
dmitriy555 [2]

Answer:

21,875: 21,880, 21900, 22,000, 20,000

85,000: 85,000, 85,000, 85,000, 90,000

36,243: 36,240, 36,200, 36,000, 40,000

54,999: 55,000, 55,000, 55,000, 50,000

7 0
3 years ago
The school has t-shirts to hand out. They have 10 hot pink shirts, 6 neon green shirts, 9 bright yellow shirts, and 11 vibrant b
poizon [28]

Answer:11/36

Step-by-step explanation:there are 36 shirts in total and only 11. So you have an 11/36 chance

4 0
4 years ago
A dog's weight increased by 50% in 3 years. By the end of 3 years, the dog weighed 45 pounds. How much did the dog weigh 3 years
Nina [5.8K]

Answer:

The answer to your question is the letter D. 30 pounds

Step-by-step explanation:

Data

increase = 50%

final weighed = 45 pounds

Process

1.- Use proportions to solve this problem. 45 pounds will be 150% (the initial 100% plus an increase of 50%).

                       45 pounds ------------------ 150%

                          x  pounds -----------------  100%

                          x = (100 x 45)/150

                          x = 4500/150

Result

                         x = 30 pounds              

7 0
3 years ago
Read 2 more answers
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