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Verizon [17]
3 years ago
11

Grace sold 5/8 of her stamp collection what is this amount as a decimal

Mathematics
1 answer:
Allisa [31]3 years ago
4 0
The answer is 0.6250000 as a decimal. Hope this helps
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15. A rectangle has a length of 2x - 1 and a width of 3x + 7. Find the perimeter of this rectangle.
andrew11 [14]

Answer:

10x + 12 and 6x² + 11x - 7

Step-by-step explanation:

The perimeter (P) of a rectangle is calculated as

P = 2l + 2w ( l is length and w is width )

   = 2(2x - 1) + 2(3x + 7) ← distribute parenthesis

    = 4x - 2 + 6x + 14 ← collect like terms

     = 10x + 12

--------------------------------------------------

The area (A) of a rectangle is calculated as

A = lw

   = (2x - 1)(3x + 7) ← expand using FOIL

    = 6x² + 14x - 3x - 7 ← collect like terms

    = 6x² + 11x - 7

7 0
3 years ago
X + 3/ 5 = 2<br> -5<br> -3<br> 7<br> 13
ahrayia [7]
X 3/5 =2x+15=2x=15-2x=13


answer 13
4 0
3 years ago
Solve the formula: V = 1/2 (bh) H for h
Semmy [17]
Times both sides b 2
2V=(bh)H
remember associative property
(ab)c=a(bc)
and
ab=ba
so
(bh)H=h(bH)

2V=h(bH)
divide both sides by bH
\frac{2V}{bH} =h
8 0
3 years ago
Product A requires 5 machine hours per unit to be produced, Product B requires only 3 machine hours per unit, and the company's
Lesechka [4]

Answer:

  Produce only Product B.

Step-by-step explanation:

The contribution margin per machine hour for product A is ...

  ($16 -$6)/(5 hour) = $2 per hour

The contribution margin per machine hour for product B is ...

  ($12 -$5)/(3 hour) ≈ $2.33 per hour

The company should produce the maximum possible number of the product that contributes the most per machine hour: Product B.

5 0
3 years ago
Carl has three lengths of cables, 5/6 yard long, and 2/3 yard long. If he uses 1 yard of cable, how much cable is left?
DedPeter [7]

Answer: 1/6th

Step-by-step explanation:idk fr

8 0
3 years ago
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