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tensa zangetsu [6.8K]
3 years ago
6

An 8ft length of crown molding costs $12. How much will it cost to buy 40 ft of crown molding?​

Mathematics
2 answers:
zzz [600]3 years ago
8 0

Answer:

$60

Step-by-step explanation:

12/8 = x/40

40(12/8) = x

60 = x

WITCHER [35]3 years ago
4 0

Answer:

It costs

$60

Step-by-step explanation:

= $12÷8

= $1.5

Now

$1.5×40

= $60

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Another math question from me
riadik2000 [5.3K]
A. Just write an expression:
49.13-2(32.5) +2(74.25)
That's your answer.

B. Simplify the above expression to get:
49.13-65+148.5 = 132.63
So your answer would be, "He had $132.63 left in his account."
4 0
3 years ago
One serving of cottage cheese has a mass 110 grams. 2/55 of the mass consists of carbohydrates. What is the total mass of carboh
german
The answer is 8 because 110 divided by 55 multiplied by 2 is one serving and times that by 2 and you get 8

7 0
3 years ago
Practice
andrew11 [14]

Computing the <u>ratio of raisins to ounces</u>, it is found that due to the <u>higher computed ratio</u>, brand B advertises the greatest ratio of raisins per ounce.

---------------------------

  • For <em>brand A</em>, there are 60 raisins in the 24-ounces box, thus the ratio is of \frac{60}{24} = 2.5, that is, 2.5 raisins per ounce.
  • For <em>brand B</em>, there are 18 raisins in the 6-ounce box, 36 in the 12-ounce, and it follows this ratio, thus \frac{36}{12} = \frac{18}{6} = 3, thus, 3 raisins per ounce.
  • For <em>brand C</em>, there are 20 raisins in the 10-ounce box, 30 in the 15-ounce, and so on, thus \frac{20}{10} = \frac{30}{15} = 2, thus, 2 raisins per ounce.
  • Due to the <u>higher computed ratio</u>, brand B advertises the greatest ratio of raisins per ounce.

A similar problem is given at brainly.com/question/24622075

5 0
3 years ago
Find the surface area of a sphere with a volume of 36π in3.
swat32
First use known volume to solve for radius:
V=\frac{4}{3}\pi r^{3}
r=\sqrt[3]{\frac{3V}{4\pi}}
r=\sqrt[3]{\frac{3(36\pi)}{4\pi}}
r=\sqrt[3]{27}
r=3

Then use the radius to get the surface area:
A_{surf}=4 \pi r^{2}
A_{surf}=4 \pi 3^{2}
A_{surf}=4 \pi 9
A_{surf}=36\pi\approx113.09
6 0
3 years ago
Factor completely 3x3 − 6x2 − 24x. 3x(x − 4)(x + 2) 3x(x + 4)(x − 2) 3x(x − 3)(x − 2) 3x(x + 3)(x − 2)
inysia [295]

Answer:

3x(x - 4)(x + 2)

Step-by-step explanation:

Given

3x³ - 6x² - 24x ← factor out common factor of 3x from each term

= 3x(x² - 2x - 8) ← factor the quadratic

Consider the factors of the constant term (- 8) which sum to give the coefficient of the x- term.

The factors are - 4 and + 2, since

- 4 × 2 = - 8 and - 4 + 2 = - 2, thus

x² - 2x - 8 = (x - 4)(x + 2) and

3x³ - 6x² - 24x = 3x(x - 4)(x + 2)

7 0
3 years ago
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