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STatiana [176]
3 years ago
15

12. A flat, square roof needs a square patch in the corner to seal a leak. The side length of

Mathematics
1 answer:
NISA [10]3 years ago
5 0

Answer:

Step-by-step explanation:

Area of the good part= area of whole roof - area of bad part

Since the roof is a square roof, the area will be calculated using the formulae for area of a square

Area of a square =length²

Area of good part =(x+12)²-x²

A= {(x+12)(x+12)} - x²

A = (x²+12x+12x+144) -x²

Open the bracket and rearrange the equation

A= x²-x²+24x+144

A=(24x+144) ft

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A recipe uses 5 cups of milk to make 10 servings. If the same amount of milk is used for each serving, how many servings can be
Margaret [11]

Answer: 24 servings

Step-by-step explanation:

First and foremost, we should note that:

4 cups = 1 quart

Therefore, 3 quarts = 3 × 4 cups = 12 cups

Since she uses 5 cups of milk to make 10 servings, it means that 1 cup of milk is used to make 2 servings. Therefore, 12 cups would be used to make:

= 12 × 2

= 24 servings.

6 0
3 years ago
Help due tonight!!
nata0808 [166]

Answer: 120 cm

Step-by-step explanation:

V = a^2 h/3

8 0
2 years ago
If g(x) =f(x+k) , what is the value of k.
JulijaS [17]

Answer:

k = 6

Step-by-step explanation:

g(x) = f(x+6)

3 0
3 years ago
Read 2 more answers
Choose the correct pair
uysha [10]
The answer is choice B.
5 0
3 years ago
B/ 21 Marks
Serggg [28]

Answer:

y = 3x + 1.

Step-by-step explanation:

The slope is y2-y1/x2-x1

= 10/1/ 3-0

= 9/3

= 3.

Using the point-slope form for a straight line:

y-y1 = m(x-x1)     (m = slope)

y - 10 = 3(x - 3)

y - 10 = 3x - 9

y = 3x - 9 + 10

y = 3x + 1  is the required equation.

5 0
2 years ago
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