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2 years ago

An amount of money b divided by 20 is $7. What is the amount?

Mathematics

2 answers:

olga2289 [7]2 years ago

4 0

The amount of money, b, is $140.

lesya692 [45]2 years ago

4 0

Answer:

B = 140.

Step-by-step explanation:

The amount of money (b) is 140, to find what number divided by 20 that equals $7.00 we have to multiply 20 times 7, why? multiplying the times divided will give the same answer you´re looking for (20 x 7). Which equals 140, then if you divide 140 by 20 (140÷20). Will equal to 7.

Hope this helps.

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riadik2000 [5.3K]

Answer:

Step-by-step explanation:

reach triangle area is 1/2bh so

1/2(6)(4) = 12

there are 4 of them so

12x 4 = 48

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add the square to the triangle totals

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3 years ago

Given that f(x) = x^2 - 5x - 24 and g(x) = x - 8, find (f-g)(x) and express the result in standard form

maxonik [38]

Answer: x^2 - 6x - 18

Step-by-step explanation:

(f-g)(x)=f(x)-g(x)=(x^2 - 5x - 24)-(x-8) = x^2 - 5x - 24 - x + 8 = x^2 - 6x - 18

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2 years ago

point I is on line segment HJ. GIVEN IJ = 3× + 3, HI = 3× - 1, and HJ = 3× + 8, determine the numerical length of HJ.

Vedmedyk [2.9K]

Given, IJ = 3x + 3, HI = 3x - 1, and HJ = 3x + 8.

Since I is a point on line segment HJ, we can write

$HJ=HI+IJ$ $\begin{gathered} 3x+8=(3x-1)+(3x+3) \\ 3x+8=6x+2 \\ 8-2=6x-3x \\ 6=3x \\ 2=x \end{gathered}$

Put x=2 in HJ=3x+8.

$\begin{gathered} HJ=3\times2+8 \\ HJ=6+8 \\ =14 \end{gathered}$

Therefore, the numerical length of HJ is 14.

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1 year ago

To finance a bridge costing $94,500, the state contributed twice as much as the county and the county contributed twice as much

bearhunter [10]

The city contributed $13,500; the county contributed $27,000; and the state contributed $54,000.

Let x be the amount the city contributes. Since the county contributes twice as much as the city, the county's amount is 2x. Since the state contributes twice as much as the county, the state's amount is 2(2x) = 4x.

They total 94,500:
x+2x+4x = 94500
7x = 94500

Divide both sides by 7:
x = 13500
2x = 27000
4x = 54000

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3 years ago

Find f(x) and g(x) so that the function can be described as y = f(g(x)). <br><br> y = 7/sqrt 8x +10

Blizzard [7]

Assuming you meant

$y = \frac{7}{ \sqrt{8x+10} }$

Then you can compose the function g(x)

$g(x)= \sqrt{8x+10}$

With the function

$f(x)= \frac{7}{x}$

Because f (g(x) ) means that you first find (calculte) $\sqrt{8x+10}$ and second you divide 7 by g(x) to obtain 7 / [√(8x+10) ].

8 0

3 years ago