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IrinaVladis [17]
3 years ago
15

When Alexandria walks her dog, she travels 1,000 ft every 4 minutes. Today, she walked her dog for more than 4 minutes. Which ph

rase correctly describes the number of feet Alexandria traveled?
Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

will it be 2000 feet.....

Step-by-step explanation:

cause she basically just did an extra 4 minute and if she does 1000 feet every 4 minutes, she does 2000 feet every 8 minutes.

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What is the simplified form of square root of 100x^36? a.10x^18 b.10x^6 c.50x^18 d.50x^6
maw [93]
\sqrt{100x^{36}} = \sqrt{10^2x^{2(18)}} = 10x^{18}

Answer : A 10x¹⁸
7 0
3 years ago
student borrows $65,000 for business school at 8.5% stated annual interest with monthly repayment over 8 years. Consider this as
lawyer [7]

Answer:

First\ monthly\ payment= $858.69

Step-by-step explanation:

From the Question we are told that

Borrows $65,000

Annual interest  8.5%

Monthly repayment over 8 years

Generally PV of annuity with growth is mathematically represented as

where PV is present value

PV of annuity with growth X= (P/ (r-g)) * (1- ((1+g)/(1+r))^n)

     \frac{P}{\frac{8\%}{y12-0.2\%} } *(1-((1+0.2\%)/(1+8.5\%/12))^(^8^*^1^2^)^)=65000

    196.7213115P* 0.384791918=65000

     196.7213115P=65000/0.384791918

    196.7213115P=168922.4668

     P= 168922.4668/196.7213115

    P= 858.6892063

First\ monthly\ payment= $858.69

5 0
3 years ago
ΔABC and ΔXYZ are similar triangles. If BA = x + 9, AC = x + 7, YX = x + 5, and XZ = x + 4, find the value of x.
Nat2105 [25]

Solution:

we are given that ΔABC and ΔXYZ are similar triangles.

As we know , when two triangles are similar then the ratios of their corrsponding sides are equal.

Here we have

BA = x + 9, AC = x + 7, YX = x + 5, and XZ = x + 4

So we can write

\frac{x+9}{x+5}= \frac{x+7}{x+4}\\
\\
(x+9)(x+4)=(x+7)(x+5)\\
\\
x^2+13x+36=x^2+12x+35\\
\\
13x-12x=35-36\\
\\
x=-1\\
\\

Hence then value of x=-1.

3 0
4 years ago
Read 2 more answers
Find the inverse of the function: { (3,5), (1, 6), ( -1, 7), (-3, 8)}
marysya [2.9K]

Answer:

{(5,3) , (6,1), (7,-1), (8,-3)}

Step-by-step explanation:

inverse of (x,y) is (y,x)

inverse of { (3,5), (1, 6), ( -1, 7), (-3, 8)} is

{(5,3) , (6,1), (7,-1), (8,-3)}

4 0
3 years ago
Graph y = 4x-9 please
stiks02 [169]

Answer:

(0, -9) (1, -5)

Step-by-step explanation:

We know from the equation y = 4x -9, that the slope of the line is 4, and the point that the line crosses the y-intercept is at -9. So, your first point would be at (0, -9) and if you go one value over on the x-coordinate, that means the y-coordinate will go 4 up. So your final point will be (1, -5). The point could also be (2, -1), (3, 3), (4, 7), (5, 11), etc.

I Hope That This Helps! :)

7 0
3 years ago
Read 2 more answers
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