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Lapatulllka [165]
3 years ago
5

Help me on this please

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

Answer:

20cm^2

Step-by-step explanation:

0.5x(7+3)x4=20cm^2

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4<br> x 15 =<br> What is the product
Marysya12 [62]

Answer: 60

Step-by-step explanation: multiply four by 15 in this case take four 15's and add them all up

3 0
3 years ago
Read 2 more answers
Mitch completes the course and his boss promotes him. Mitch receives a 25% increase on his previous pay of $40 000 per year afte
kolezko [41]

Before her promotion, Mitch was receiving $40,000 per year after tax. Since the loan payment is 4%, therefore the money that goes to the loan is:

Loan payment = $40,000 * 0.04

Loan payment = $1,600

 

After her promotion, Mitch is now receiving:

 New salary = $40,000 * 1.25

New salary = $50,000

Therefore the new loan payment becomes:

New loan payment = $50,000 * 0.04

New loan payment = $2,000

 

Therefore Mitch is paying an extra payment of:

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Answer: $400

4 0
3 years ago
Exprees the ratio 3 inches to 3 feet(12 inches = 1 foot)
taurus [48]

Ratio being 12in./1ft.

3 inches is not one foot. it's 1/4 of a foot. 3in./1/4ft.

3 feet = 36 inches.

36in./3ft.

Hope This Helped! Good Luck!

7 0
3 years ago
At a track meet 2/7of the 756 competing athletes are sophomores. How many of the competing
kkurt [141]

Answer:

D

Step-by-step explanation:

700/7= 100

100*2= 200

200+ (756-700)= 256

256 closest to 216 than to 204 or any other answer.

5 0
3 years ago
28. If x is an integer such that 200 &lt; 3x3 &lt; 400, find x.
Troyanec [42]

Answer:

28. x = 5

29. x = 8

30. No solution.

Step-by-step explanation:

28. Given that 200 < 3x³ < 400

⇒ 66.67 < x³ < 133.33

⇒ 4.07 < x < 5.1

As x is an integer, so, x = 5 (Answer)

29. Given that 350 < 7x² < 450

⇒ 50 < x² < 64.28

⇒ 7.07 < x < 8.01 {As x is a positive integer}

So, x = 8 (Answer)

30. Given that x + 2 < 5717 < x + 3

⇒ x < 5715 and x > 5714

As x is integer, so there is no solution for this problem. (Answer)

6 0
3 years ago
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