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pentagon [3]
3 years ago
9

A shoe stores sells 4 pairs of black shoes for every seven pairs of brown shoes they’re all there were 4900 pairs of brown shoes

sold last year how many pairs of black shoes were sold
Mathematics
2 answers:
Marysya12 [62]3 years ago
7 0

Answer:

Answer: 2800

Step-by-step explanation:

First you should divide 4900 by 7 and then multiply your answer by 4 to get the Answer

shutvik [7]3 years ago
7 0

Answer:

2800 is the answer

first you divide 4900 by 7 then you get 700 then you multiply 700 by 4

Step-by-step explanation:

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Describe the error made when converting the equation to vertex form.
ale4655 [162]

Answer:

adding 36

Step-by-step explanation:

should be:

y-27=x²-12x

y-27=x²-12x

+12 +12

y-15=x²+x

y-15=x³

+15 +15

y=15x³

3 0
2 years ago
ULLIVLY/1/2/3/assessment
zvonat [6]
<h3>The worth after 4 years is $ 680.24</h3>

<em><u>Solution:</u></em>

<em><u>The formula for compound interest, including principal sum, is:</u></em>

A = p(1+\frac{r}{n})^{nt}

Where,

A = the future value of the investment

P = the principal investment amount

r = the annual interest rate (decimal)

n = the number of times that interest is compounded per unit t

t = the time the money is invested

From given,

n = 1 ( since interest is compounded annually)

p = 500

t = 4

r = 8 \% = \frac{8}{100} = 0.08

<em><u>Substituting the values we get,</u></em>

A = 500(1+ \frac{0.08}{1})^{1 \times 4}\\\\A = 500(1.08)^4\\\\A = 500 \times 1.36048896\\\\A = 680.24448 \approx 680.24

Thus the worth after 4 years is $ 680.24

3 0
3 years ago
Which expression is the simplest form of...
Lemur [1.5K]

Answer:

The answer is option A

Step-by-step explanation:

<h3>( {x}^{ -  \frac{4}{7} } )^{7}</h3>

Using the rules of indices

That's

<h3>( { {a}^{x} })^{y}  =  {a}^{x \times y}</h3>

Simplify the expression

We have

<h3>( { {x}^{ -  \frac{4}{7} } })^{7}  =  {x}^{ -  \frac{4}{7} \times 7 }   \\  =  {x}^{ - 4}</h3>

Again using the rules of indices

That's

<h3>{x}^{ - y}  =  \frac{1}{ {x}^{y} }</h3>

The final answer is

<h3>\frac{1}{ {x}^{4} }</h3>

Hope this helps you

5 0
3 years ago
Read 2 more answers
in order to fence a garden the rowan family needs 64 ft of lumber. the garden at the correas house will need to be 150% larger.h
almond37 [142]

Answer:

96

Step-by-step explanation:

Divide 64 by 2

add 32+ 64

x=96

8 0
3 years ago
Determine whether y varies directly with x. If so, find the constant of variation k.
kumpel [21]
Direct variation is y=kx, inverse variation is y=k/x....

-5y=-2x divide both sides by -5

y=2.5x

So this is a direct variation with a constant of 2.5
5 0
3 years ago
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