MATHEMATICS COLLEGE

Which expression can be used to determine the product of -4 and 3 1/4​

Answers

Answer 1
Answer:

Answer:

Possible options:

= -4 * 3 1/4

= -4 * 13/4

= -4 * 3.25

Step-by-step explanation:

Without the options that seemed to go along with this question, it will be difficult to give the exact expression, but here are a few options.

-4 * 3 1/4 = -13

-4 * 13/4 = -13

-4 * 3.25 = -13

Each of these expressions will give the product of -4 and 3 1/4.

Cheers

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What is the quotient of 75,120 ÷ 16?

Answers

Answer:

4695

Step-by-step explanation:

Answer:

4,695

use long divison

The cost of advertising in a local paper for one week is:28 cents per word plus 75 cents
a) What is the cost of an advertisement of 15 words for one week?
b) What is the greatest number of words in an advertisement costing up to $8 for one week?
c) If an advertisement is run for two weeks, the cost for the second week is reduced by 30%. Calculate the total cost for an advertisement of 22 words for two weeks.

Answers

Answer:

a) 495 cents

b) 25 words

c) 1174.7 cents

Step-by-step explanation:

a) The cost is equal to 28 x 15 + 75 which equals 420 + 75 which equals 495 cents.

b) (800 cents - 75) divided by 28

= 725 / 28

= 25.9

Since you cannot have 0.9 of a word it is rounded down to 25.

c) 22 words in the first week will cost 22 x 28 + 75 = 616 + 75 = 691 cents

In the second week it will cost 30% less which means it will only cost 70% of the ordinary price. Therefore the second week will cost:

0.7 x 691 = 483.7 cents

Total = 483.7 + 691

        = 1174.7 cents

Hope this helps :)

What is the sum of the infinite geometric series? Sigma-Summation Underscript n = 1 Overscript 4 EndScripts (negative 144) (one-half) Superscript n minus 1

Answers

Step-by-step explanation:

∑⁴ₙ₌₁ -144 (½)ⁿ⁻¹

This is a finite geometric series with n = 4, a₁ = -144, and r = ½.

S = a₁ (1 − rⁿ) / (1 − r)

S = -144 (1 − (½)⁴) / (1 − ½)

S = -270

If you wanted to find the infinite sum (n = ∞):

S = a₁ / (1 − r)

S = -144 / (1 − ½)

S = -288

Answer:

It's A: -288

Step-by-step explanation:

on edge 2021

The ratio of green marbles to total marbles in a bag is 2:9. The ratio of red marbles to total marbles in the same bag is 1:3. Which of the following statements is true

Answers

Answer:

answers is 2/3 ok hi your answers

H=10 cm
r= 7cm
calculate the volume of the cylinder ​

Answers

Answer:

V = 1538.6 cm^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2h  where r is the radius and h is the height

V = pi (7)^2 10

V = 3.14 (49)10

V = 1538.6 cm^3

Answer:

≈ 1539.3804

Step-by-step explanation:

V= πr²h =π*7²*10

Which of the following measurements issmallest?
a. 12 inches
b. 216 inches
c. 412 inches
d. 12/4 inches

Answers

I think it might be A
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