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2 years ago

10

Johnny buys broken bicycles from the junkyard, repairs them, and then resells them. He recently sold a bike for $50, which was 2

50% of the price at which he bought it. What was the price he paid for the bicycle from the junkyard?

1 answer:

sesenic [268]2 years ago

8 0

Answer:

the bike was bought for $20

Step-by-step explanation:

this is true because 20*2.50 is 50

2.50 is the same as 250%

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For the arithmetic sequence 42, 32, 22, 12... find the 18th term.

Stella [2.4K]

Answer:

The18th term of the given sequence is -128

Explanation:

To find the 18th term of the sequence:

42, 32, 22, 12, ..., we need to find the nth term of the sequence first.

The nth term of a sequence is given be the formula:

$T_n=a+(n-1)d$

Where a is the first term, and d is the common difference.

Here, a = 42, d = 32 - 42 = -10

$\begin{gathered} T_n=42+(n-1)(-10) \\ =42-10n+10 \\ T_n=52-10n \end{gathered}$

To find the 18th terem, substitute n = 18 into the nth term

$\begin{gathered} T_{18}=52-10(18) \\ =52-180 \\ =-128 \end{gathered}$

7 0

1 year ago

Jen picked 3/4 of a gallon of strawberries in a half an hour.If she keeps picking strawberries at the same rate, how many gallon

sp2606 [1]

Answer:

3 gallons.

Step-by-step explanation:

We have been given that Jen picked 3/4 of a gallon of strawberries in a half an hour.

Let us convert our given time in minutes.

1 hour= 60 minutes.

1/2 hour= 30 minutes.

So 2 hours= 120 minutes.

Let us find the number of gallons of strawberries picked by Jen in 30 minutes by dividing 3/4 by 30.

$\text{The number of gallons of strawberries picked by Jen in 30 minutes}=\frac{\frac{3}{4} }{30}$

$\text{The number of gallons of strawberries picked by Jen in 30 minutes}=\frac{3}{4*30}$

$\text{The number of gallons of strawberries picked by Jen in 30 minutes}=\frac{1}{40}$

Now let us multiply 1/40 by 120 to find the number of gallons of strawberries picked by Jen in 120 minutes(2 hours).

$\text{The number of gallons of strawberries picked by Jen in 30 minutes}=120*\frac{1}{40}$

$\text{The number of gallons of strawberries picked by Jen in 30 minutes}=3$

Therefore, Jen picked 3 gallons of strawberries in 2 hours.

8 0

3 years ago

NO LINKS <br> what is the answer??

Alex787 [66]

Answer:

5625 bald eagles

Step-by-step explanation:

Given

$y = 312.5x + 1562.5$

Required

Predict the numbers in 1998

First, we calculate the value of x

$x = 1998 - 1985$ ---- years since 1985

$x = 13$

So, we have:

$y = 312.5x + 1562.5$

$y = 312.5*13 + 1562.5$

$y = 4062.5 + 1562.5$

$y = 5625$

8 0

3 years ago

What is a line graph

8090 [49]

Answer:

A graph with points connected by lines to show how something changes in value:

• as time goes by,

• or as something else changes.

Step-by-step explanation:

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3 years ago

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Semmy [17]

Answer:

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Step-by-step explanation:

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3 years ago