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3 years ago

Original Amount = 1,250

Mathematics

1 answer:

koban [17]3 years ago

7 0

Answer:

49.4

Step-by-step explanation:

1250/1250 618/1250

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HELP ! I've been stuck on this for over 15 mins. :(

Delvig [45]

A1 = first term = 8

Plug in a1 = 8:
an = 8 + (n - 1)d

FInd d:
Given that a2 = 5
5 = 8 + (2-1)d
5 = 8 + d
d = -3

Plug in d = -3:
an = 8 -3(n - 1)

Answer: an = 8 -3(n - 1) ; n ≥ 1

6 0

3 years ago

Please help solve for x

Radda [10]

Answer:

x=91

Step-by-step explanation:

x+10= 111

x-10= 81

x+6= 97

Hope this helps!

7 0

3 years ago

A rectangular prism has a base 3 cm by 4 cm and is 5 cm in height.

gavmur [86]

Answer:

94 cm2

Step-by-step explanation:

Base x Width x height

4 x 5 x 3

5 0

3 years ago

Read 2 more answers

Write the equation of the line that is parallel to the line y= -2x+3 and goes through the point (3, -6).

svetlana [45]

Answer:

y=-2

Step-by-step explanation:

because it's parallel --> a=-2

therefore we have y=-2x+b

the line goes through the point (3,-6) --> (-2).3+b=-6 --> b=0

3 0

3 years ago

Darren bought some paint. He used 2 1/4 gallons painting his living room. After that, he had 3 5/6 gallons left. How much paint

Otrada [13]

Answer: $6\frac{1}{12}\ gallons$

Step-by-step explanation:

We can make the conversion from mixed numbers to improper fractions:

Multiply the whole number part by the denominator of the fraction.
Add the numerator of the fraction and the product obtained (This sum will be the new numerator).
The denominator is the same.

Then:

$2\frac{1}{4}=\frac{(2*4)+1}{4}=\frac{9}{4}\\\\3\frac{5}{6}=\frac{(6*3)+5}{6}=\frac{23}{6}$

We need to add the fractions in order to calculate the amount of paint Darren bought. Since the denominators are differente, we must find the Least Common Denominator (LCD):

$4=2*2=2^2\\\\6=2*3\\\\\\LCD=2^2*3=12$

Then:

$\frac{9}{4}+\frac{23}{6}=\frac{27+46}{12}=\frac{73}{12}\ gallons$

To convert this improper fraction to a mixed number:

When you divide 73 by 12 you get a quotient of 6. This will be the whole number.
The remainder obtained is 1. This will be the numerator of the fraction.
The denominator does not change.

Then:

$\frac{73}{12}\ gallons=6\frac{1}{12}\ gallons$

7 0

3 years ago

Read 2 more answers