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3 years ago

The price of an item has risen to $ 248 today. Yesterday it was $ 160 . Find the percentage increase.

1 answer:

4 0

We know that the original price is 160 and has increased to 248. To calculate the increase, divide. But first lets find the difference 248-160 =88
$\frac{88}{160} = 0.55 = 55\%$
The percentage increase is 55%.

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What is a formula for the nth term of the given sequence? 20,23, 26...

lord [1]

Answer:

17 + 3n

Step-by-step explanation:

20, 23,26 ..............

This is an arithmetic series

First term = a = 20

Common difference = second term - first term

d = 23 - 20 = 3

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= 20 + n*3 - 1*3

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3 years ago

What is the greatest possible number of real zeros of f(x) = x3 – 2x2-x+1?

Sedaia [141]

Answer:

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4 years ago

Jim's backyard is a rectangle that is 15 5/6 yards long and 10 2/5 yards wide. Jim buys sods in pieces that are 1 1/3 yards long

Ne4ueva [31]

We are given

Jim's backyard:

Length is

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width is

$W=10\frac{2}{5} =\frac{52}{5} yards$

Since, this is rectangle

so, we can find area of rectangle

$A=L*W$

$A=(\frac{95}{6})*(\frac{52}{5})$

$A=\frac{494}{3} yard^2$

Area of one sod:

length is

$l=1\frac{1}{3} =\frac{4}{3} yards$

width is

$w=1\frac{1}{3} =\frac{4}{3} yards$

Since, it is rectangle in shape

so,

$Area=l*w$

$A=\frac{4}{3}*\frac{4}{3}$

$A=\frac{16}{9}yard^2$

Number of pieces of sod:

we can use formula

Number of pieces of sod = (area of Jim's backyard)/(area of one sod)

$N=\frac{\frac{494}{3} }{\frac{16}{9} }$

now, we can simplify it

$N=\frac{741}{8}$ pieces need ..............Answer

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3 years ago

Nine less than five times a number is equal to -30.

notka56 [123]

Answer: 5x-30-9

-159

Step-by-step explanation:

-159 is the answer

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3 years ago

Please help me with this question

oksano4ka [1.4K]

Answer: 5, 3, $\dfrac{1}{6}$ , D

<u>Step-by-step explanation:</u>

-5 < 0 so f(-5) = | -5 | = 5

-3 < 0 so f(-3) = | -3 | = 3

6 > 0 so f(6) = $\dfrac{1}{6}$

graph D <em>(since x can equal zero)</em>

4 0

3 years ago