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serious [3.7K]
3 years ago
12

I need help with these three questions

Mathematics
1 answer:
dusya [7]3 years ago
3 0
0.55 per pound
90 miles per day
16 oz for 3.19
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What is the missing step in the given proof? Statement: m∠4 = m∠15 Reason: Substitution Property of Equality Statement: m∠4 + m∠
Maru [420]

Answer:

Step-by-step explanation:

The two photos are attached for the missing information in your question.

Statement: m∠7 and m∠8 are supplementary.

Reason: Linear Pair Theorem

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3 years ago
Use the formulas for a cylinder:<br> r = 2<br> h = 6<br> SA = ?
IrinaK [193]
SA=2 \pi rh+2\pi r^{2}
SA=2 \pi (2)(6)+2\pi  (2)^{2}
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SA=32\pi
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Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t
beks73 [17]

the answer would be C. i do believe hope this helps

6 0
3 years ago
Read 2 more answers
Which of the following is an irrational number?
Nikitich [7]
10 is the answer to your question
4 0
3 years ago
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On a road map, the locations A, B and C are collinear. Location C divides the road from location A to B, such that AC:CB = 1:2.
koban [17]

Answer:

C. (-1,-2)

Step-by-step explanation:

Since C internally divides AB in the ratio AC/CB = 1/2 = m/n where m = 1 and n = 2, we use the formula for internal division.

Let A = (x₁, y₁) = (5, 16), B = (x₂, y₂) and C = (x, y) = (3, 10)

So x = (mx₂ + nx₁)/(m + n)

y = (my₂ + ny₁)/(m + n)

Substituting the values of the coordinates, we have

x = (mx₂ + nx₁)/(m + n)

3 = (1 × x₂ + 2 × 5)/(2 + 1)

3 = (x₂ + 10)/3

multiplying through by 3, we have

9 = x₂ + 10

x₂ = 9 - 10

x₂ = -1

y = (my₂ + ny₁)/(m + n)

10 = (1 × y₂ + 2 × 16)/(2 + 1)

10 = (x₂ + 32)/3

multiplying through by 3, we have

30 = y₂ + 32

y₂ = 30 - 32

y₂ = -2

So, the coordinates of B are (-1, -2)

3 0
3 years ago
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