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iVinArrow [24]
2 years ago
9

Can someone help please

Mathematics
2 answers:
ozzi2 years ago
7 0

Answer: P=50

Step-by-step explanation: 20 m = length and 5 m = width

Solution:

P=2(l+w)=2·(20+5)=50

So the perimeter is 50

Alex_Xolod [135]2 years ago
3 0

Answer:

50

Step-by-step explanation:

20+20=40

5+5=10

40+10=50

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2) A gym charges a $30 membership fee and $10 per month. Write an
kari74 [83]

C = 10m + 30, where C is total cost and m is # of months

C = 10(5) + 30

C = 50 + 30

C = $80

$160 = 10m + 30

160 - 30 = 10m

130/10 = m

m = 13 months

Hope that helps

5 0
3 years ago
A bank loaned out $68,000, part of it at the rate of 13% per year and the rest at a rate of 5%per year. If the interest received
marin [14]

Answer: $31000 was loaned at 13%.

Step-by-step explanation:

Let x represent the amount loaned out at 13% interest rate.

Let y represent the amount loaned out at 5% interest rate.

The bank loaned out $68,000, part of it at the rate of 13% per year and the rest at a rate of 5%per year. It means that

x + y = 68000

The interest received made from $x in one year is

13/100 × x = 0.13x

The interest received made from $y in one year is

5/100 × x = 0.05y

If the interest received was $5880, it means that

0.13x + 0.05y = 5880- - - - - - - - - 1

Substituting x = 68000 - y into equation 1, it becomes

0.13(68000 - y) + 0.05y = 5880

8840 - 0.13y + 0.05y = 5880

- 0.13y + 0.05y = 5880 - 8840

- 0.08y = - 2960

y = - 2960/- 0.08

y = 37000

x = 68000 - y = 68000 - 37000

x = $31000

5 0
3 years ago
What is the sum of the numbers 24+40 as the product of their gcf and another sum
AnnZ [28]
This is really conusing
8 0
3 years ago
Please help! A is not -3 as I’ve seen some answer with that.
Arte-miy333 [17]

Answer:

a) x = 5

b) x = 4

Step-by-step explanation:

a) \frac{3x+4}{2} = 9.5

  3x+4 = 9.5(2)

      3x = 19-4

        x = 15/3

         x = 5

b) \frac{7+2x}{3} = 5

  7+2x = 5(3)

      2x = 15-7

        x = 8/2

         x=4

6 0
2 years ago
3x+5y=12 solve for x
Ivenika [448]

Answer:

x=4-5/3y

Step-by-step explanation:

3x+5y=12 make x on one side

3x=12-5y divide everything by 3

x=4-5/3y

7 0
3 years ago
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