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3 years ago

Possession Book Store sells pencils for $27. 35 each. Approximately how much would 1550 pencils cost?

Mathematics

1 answer:

gladu [14]3 years ago

5 0

Answer: Im not completely sure but I believe its 20

Step-by-step explanation: The way I did it is kind of hard to explain.

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Help me solve this -> g(x) = 2x + 3 g(7)

Ksivusya [100]

Answer:

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Step-by-step explanation:

4 0

3 years ago

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Violin strings are parallel. Viewed from above, a violin bow in two different positions forms two transversals to the violin str

V125BC [204]

Answer:

x = 10; y = 20

Step-by-step explanation:

8x + y = 100 (alternate exterior angles are congruent)

4x + y = 60 (corresponding angles are congruent)

Subtract the second equation from the first equation.

4x = 40

x = 10

Substitute x = 10 in first equation and solve for y.

8(10) + y = 100

y = 20

3 0

3 years ago

Mary wants to fill a cylindrical cup with water. The dimensions of the cup are labeled below.

LUCKY_DIMON [66]

$\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=6\\ h=15 \end{cases}\implies \begin{array}{llll} V=\pi (6)^2(15)\implies V=540\pi \\\\\\ V\approx 1696.46 \end{array}$

notice, the cup can take that much in cm³, so it can surely take 1620 just fine.

7 0

4 years ago

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The average age of three people running for election is 42. A fourth person joins the race and the average drops to 40. What is

Morgarella [4.7K]

Answer:

B. 34

$let \: sum \: of \: ages \: of\: 3 \: people \: be \: x \\ 42 = \frac{x}{3} \\ x = 126 \\ let \:age \: of \: fourth \: person \: be \: y \\ 40 = \frac{x + y}{4} \\ 160 = x + y \\ 160 = 126 + y \\ y = 34 \\ = 34 \: years$

7 0

3 years ago

Mrs. Valdez wanted to determine the number of people, p, she could safely take in her car to the fun run. She determined that p

dolphi86 [110]

Answer:

for the first question b,

it doesn't make sense for choice a to have -2 people in the car. You can't have a negative amount of people. For choice choice c, you can't have half a person, and for choice d, Ms. Valdez can only have under 5 people, not five people exactly.

for the second question I need to see the whole inequality, generally there is a variable, and all i see is <-1, which is invalid.

hope this helps, if it does like it pls!!

Step-by-step explanation:

5 0

3 years ago