3 years ago

What is the divisibility factor of 21

Mathematics

1 answer:

tekilochka [14]3 years ago

7 0

21÷7=3 and if you need it 7×3 is 21

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According to a report, 51.6% of murders are committed with a firearm. (a) if 200 murders are randomly selected, how many wou

dolphi86 [110]

Answer:

a) 103, b) No

Step-by-step explanation:

a) We need to multiply the probability by the amount of the sample to get:

200 × 51.6% = 103.2, rounded down to 103

b) As we have selected the people randomly, we have no control over the type of people we are given - this is theoretical and the estimate is not definite - all of the sample could have murdered by firearm or even none (even though it is highly unlikely).

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3 years ago

To increase an amount by 22%, multiply by?

madam [21]

Multiply by .22 then add that answer to what you multiplied. For example, you need to increase 100 by 22%. 100 × .22 = 22. 100 + 22 = 122

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3 years ago

Set up and solve a system of equations to solve the problem.

NeTakaya

Answer:

The boys club sold 52 bags of hardwood mulch and 84 bags of pine bark mulch

Step-by-step explanation:

Let

x ----> the number of bags of hardwood mulch sold

y ----> the number of bags of pine bark mulch sold

we know that

A local boys club sold 136 bags of mulch and made a total of $400

$x+y=136$ ----> equation A

$3.25x+2.75y=400$ ----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

Using a graphing tool

The solution is the point (52,84)

see the attached figure

therefore

The boys club sold 52 bags of hardwood mulch and 84 bags of pine bark mulch

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3 years ago

What are characteristics of nonvascular plants? (Select all that apply.)

igomit [66]

Answer: They have xylem vessels and phloem vessels

Step-by-step explanation:

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2 years ago

A line passes through the point (-2, 7) and has a slope of -5.

Ludmilka [50]

Answer:

-7

Step-by-step explanation:

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