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lidiya [134]
2 years ago
10

If 2/15 is 40 then 1/15 is?

Mathematics
1 answer:
Stells [14]2 years ago
8 0

Answer:

20

Step-by-step explanation:

\frac{2}{15} = 40

\frac{2}{15} ÷ \frac{2}{1} = \frac{1}{15}

40 ÷ \frac{2}{1} = 20

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14. The area of a rectangle is 375 square inches and it’s perimeter is 80 inches. Find both the length and width.
Pavel [41]

Answer:

Length  =25 inches

Width = 15 inches

Step-by-step explanation:

Let l = length of rectangle, w = width of rectangle

Given the area and the perimeter of the rectangle, we can write:

lw = 375

2l+2w=80

So:

l+w = 80\div2

=40

l=40-w

Now, we can use substitution to find the value of w:

lw = 375

(40-w)w = 375

40w-w^2 = 375

375+w^2-40w = 0 (Quadratic equation)

(w-15)(w-25) = 0

∴ w = 15, 25

We can use substitution again to find the value of l

lw = 375

l=375\div w

=25,15

∵ Length usually refers to the longer side of a rectangle, ∴ length =25 inches and width =15 inches.

Hope this helps :)

8 0
3 years ago
Factorise completely 4ab+6ac-6bd-9cd​
Naily [24]

Answer:

(2b+3c) × (2a-3d)

Step-by-step explanation:

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6 0
3 years ago
What is the slope and y-intercept of the equation y = 3x + 1/5?
MArishka [77]

Answer:

Slope:  3

y-intercept:  1/5

Step-by-step explanation:

Use the slope-intercept form to find the slope and y-intercept.

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8 0
3 years ago
The following information is known about a loan. time = 7 years interest rate = 6% interest = $840.00 what was the principal on
Yanka [14]
P=i/rt
P=840/7*0.06=2,000
5 0
3 years ago
Read 2 more answers
A package of 4 pairs of insulated gloves costs $21.56. What is the unit price of the pairs of gloves?
SOVA2 [1]

Answer:

Your answer is $5.39.

Step-by-step explanation:

There are 4 pairs of gloves. The unit price is only for a single pair of gloves, so divide the total cost by the pairs of gloves to get your answer: 21.56 ÷ 4 = 5.39. (Also, since we are talking about money, there would be a dollar sign next to 5.39: $5.39)

5 0
2 years ago
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