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Angelina_Jolie [31]
3 years ago
6

Mrs. Jones wants to cover half of her 5 x 7 rectangular bulletin board with two different colors (white and black) as show in th

e picture below. How much black paper does she need?
Mathematics
1 answer:
Vladimir [108]3 years ago
6 0
5x7=35
35/2= 17.5(whichever unit you’re using)
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Tony’s tattoo parlor sold 389 tattoos this month. 43 of those tattoos where arm tattoos. What is the reasonable estimate of the
qaws [65]

Answer:89%

Step-by-step explanation: its the probability that they will get anything other than an arm tattoo. So you subtract 43 from 389 and it gives you 346,

346/389 x 100% = 88.9%

4 0
3 years ago
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Joseph needs 345 cement blocks to build a wall 40 cm thick. He needs 205 cement blocks to build a wall 25 cm thick. Each block c
IrinaVladis [17]

9514 1404 393

Answer:

  $105

Step-by-step explanation:

The thicker wall takes 345 -205 = 140 more blocks. Each of those costs $0.75, so the added blocks will cost ...

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The thicker wall will cost $105 more.

7 0
3 years ago
Mr. Darcy could knit 4 ugly sweaters in 100 minutes. How long will it take him to knit 6 ugly holiday sweaters
Nostrana [21]
If you divide 100 by 4 which equals 25 that would be 25mins for one ugly sweater
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3 0
3 years ago
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A dress shop bought material for £4.65 a metre and sold it for £6.90 a metre. How much
stepladder [879]

Answer:

  £67.50

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On each metre of material, the shop makes a profit of ...

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A profit of £67.50 would be made on a 30-metre roll of material.

8 0
3 years ago
Help me please I need it done
Lynna [10]

Answer:

see explanation

Step-by-step explanation:

A

The circumference (C) of a circle is calculated as

C = πd ( d is the diameter ) , then

C = 3.14 × 8 ≈ 25.12 in

B

The circumference (C) of a circle is calculated as

C = 2πr ( r is the radius )

Here C = 94.2 , then

2πr = 94.2 ( divide both sides by 2π )

r = \frac{94.2}{2(3.14)} = 15 cm

4 0
3 years ago
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