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4 years ago

Is 6 a factor of 72 and explain

2 answers:

7 0

Yes because a factor is a number which can be x another number to make = 72 or other number ( not sure of official name )
6 can be x 12 and = 72 so yes that is right
Other factors are 2 and 36 because 2 x 36
Do you get it now?

pychu [463]4 years ago

5 0

A factor is a counting number that can be multiplied by another counting number and get the desired number so for exg.
2 times 3=6
2 and 3 are factors of 6

72=2*3*3*2*2
6=2*3
we can see a '2*3' in the factors of 72 so 6 is a factor of 72
BTW 6*12=72

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A rectangular driveway has an area of 880 square feet and a perimeter of 128 feet. What are the dimensions of the driveway?

mamaluj [8]

Answer:

Dimensions are 20 X 44 feet

Step-by-step explanation:

First we need to build two equations:

For area X times Y = 880

For Perimeter 2x + 2y = 128

Now we need to solve one so we can substitute it into the other:

2x + 2y = 128 becomes

2x = 128 - 2y and then

x = 64 - y We will substitute this into the are equation

(64 - y)y = 880

64y - $y^{2}$ = 880

- $y^{2} + 64y -880 = 0$

factor out the negative

-( $y^{2} - 64y +880 = 0$

Factor:

-(y - 20)(y - 44) = 0

y-20 = 0 and y - 44 = 0

y = 20 and y = 44

Plugging these in two both of our formulas works

20 X 44 = 880 for area

2(20) + 2 (44) = 128 for perimeter

8 0

3 years ago

Thank you guys for helping me :) :)

Ainat [17]

Answer:

The second one is right

Step-by-step explanation:

Hope it helpssss

4 0

3 years ago

Jarin wants to save enough money

Bezzdna [24]

Answer:

12 weeks

Step-by-step explanation:

4 0

3 years ago

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Carol had a previous balance of $557.83 in her checking account. She deposited checks

g100num [7]

Answer:

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Step-by-step explanation:

6 0

4 years ago

Mr. Newman hired painters to paint two storage containers similar to the one shown. If each can of paint costs $15 and will cove

Tema [17]

Answer:

The amount it will cost to paint both containers is $240

Step-by-step explanation:

The dimensions of the containers are

Length, L = 40 ft

Width, W = 8 ft and

Height, H = 9 ft

Therefore, the surface area, SA of the containers is given by

SA = 2·L·W + 2·L·H + 2·W·H

40 × 8 × 2 + 40 × 9 × 2 + 2 × 9 × 8 = ‭1,504‬ ft²

Therefore, the number of cans of paints required is given by;

$Number \, of \, cans \, of \, paints \, \, required = \frac{Area \, to \, be \, painted}{\, Area \, covered \, per \, can \, of \, paint}$

$Number \, of \, cans \, of \, paints \, \, required = \frac{1504}{188}$ = 8 Cans

One can of paint costs $15, therefore, 8 cans costs ;

$15 × 8 = $120.

Since there are two storage containers, the total cost of painting is given by;

Total cost to paint both containers = 2 × $120 = $240.

4 0

3 years ago

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