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Vikki [24]
2 years ago
9

If the length of a rectangle, originally 4cm by 2cm, is increased by x, what is the perimeter and area of the new rectangle

Mathematics
1 answer:
11Alexandr11 [23.1K]2 years ago
3 0

Answer:

12x

Step-by-step explanation:

4x+2x+4x+2x=12x

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Five books cost¢21. what is the price cost of seven similar books​
Liono4ka [1.6K]

Answer:

Your answer should be $29.40

Step-by-step explanation:

If you divide 21 by 5 you get 4.2, so each book costs $4.20.

4.2 x 7 = 29.4

Therefore, your total cost for 7 books will be $29.40

I hope this helps!

5 0
3 years ago
What is the point-slope form of the equation of a line that passes through the point (1, 4) and has a slope of −3?
insens350 [35]
I hope this helps you



x'=1 y'=4 slope = -3



slope. (x'-x)=y'-y


-3. (1-x)=4-y


-3+3x=4-y


y=4+3-3x


y=7-3x
3 0
3 years ago
Help me out please:)
stich3 [128]

Answer:

the answer is

(8.5,13.5)

5 0
2 years ago
WILL GIVE THE BRAINLIEST AND 99 PTS<br><br> Q-What is 8% of 1000
tatuchka [14]

Answer: 80

Step-by-step explanation:

1000 * 0.08 = 0.80 = 80

4 0
2 years ago
Read 2 more answers
WHY CAN'T ANYONE HELP ME? 1. In Michigan, the sales tax rate is 6%. Suppose that an item costs $50.88 including tax. How can we
Aliun [14]

Answer: $48

Step-by-step explanation:

From the question, we are told that in Michigan, the sales tax rate is 6% and that an item costs $50.88 including tax.

Let the cost of the item before tax be x. This means that x plus 6% of x equals to $50.88. This can be mathematically expressed as:

x + (6% of x) = $50.88

x + (6/100 × x) = $50.88

x + (0.06 × x) = $50.88

x + 0.06x = $50.88

1.06x = $50.88

When then divide by the coefficient of x

1.06x/1.06 = #50.88/1.06

x = $48

The price before the tax is $48

7 0
3 years ago
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