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WINSTONCH [101]
3 years ago
9

I need help on this question: Expand the expression 8( 7 + t) this is algabra.

Mathematics
2 answers:
Lostsunrise [7]3 years ago
5 0

Answer:

Step-by-step explanation:

56+8t

i multiplied both the terms inside bracket by 8.

Strike441 [17]3 years ago
3 0

Answer:

\huge \boxed{8t + 56}

Step-by-step explanation:

8(7 + t)

\sf Expand \ brackets.

8(7) + 8(t)

56 + 8t

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Answer:

Step-by-step explanation:

For part a :

The circumference of the circle is given by the formula 2πr. We are given r so we double r and put it next to pi :

C = 2×π×r = 2×π×8 = 16π

For part b :

The area of a circle is given by the formula πr². We are given r so we square r and put it next to pi :

A = π×r² = π×8² = 64π

For part c :

The area of a square is given by the formula a² where a is the side length. This question requires an extra step as we don't have the length of the square. But we know that the diameter of the circle will be equal to the side of the length. The diameter of a circle is given by the formula   2r : so

D = 2r = 2×8 = 16

So the area of the square will equal :

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2 years ago
PLEASE HELP ASAP: Sals sandwich shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $
Elena L [17]

Answer:

y intercept (0,490)

I would use (Graphing equation standard form) to identify x and y intercepts. I will Plot the y intercept (0,490) and the x intercept (735,0)

,It will Connect the two intercepts with a straight line

2x + 3y = 1,470

3y = -2x + 1470

y = (-2x + 1470 ) / 3

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x intercept (735,0)

Step-by-step explanation:

5 0
3 years ago
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Octagon A has a side length of 4 inches, and an area of 32 square inches. Octagon B is similar to octagon A, and has a correspon
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Answer:

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Step-by-step explanation:

The scale factor for area is the square of the scale factor for side length. The larger octagon has an area of ...

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The area of octagon B is 128 square inches.

6 0
3 years ago
Subtract 2x^2 – 1 from 4x^2 + 2.
svetlana [45]

Answer:

2x^2+3 is the correct answer

8 0
3 years ago
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Pleaseeee help!!!!!!!! I will mark you as brainlinest for correct answer!!!!!!!!!!
user100 [1]
Let x be the cost of gum 20 years ago.
3x - 3 = 75
3x = 78
X = 78/3
X = 26.
So the write answer is A) 3x - 3 = 75.
3 0
3 years ago
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