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Anna007 [38]
2 years ago
8

Name:

Mathematics
1 answer:
lubasha [3.4K]2 years ago
4 0

Answer:

3,225

Step-by-step explanation:

principal times interest time rate

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50 Points! Question In Image Show ALL Work
Nataliya [291]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ First identify and assign the variables:

q = number of quarters

d = number of dimes

This is what we know:

q + d = 22

A quarter is 25 cents and a dime is 10 cents

You can write this as:

0.25q + 0.1d = 3.40

Rearrange the first equation for d

d = 22 - q

Substitute this value into the other equation:

0.25q + 0.1(22 - q) = 3.40

Simplify:

0.25q + 2.2 - 0.1q = 3.40

0.15q + 2.2 = 3.4

Subtract 2.2 from both sides:

0.15q = 1.2

Divide both sides by 0.15:

q = 8

Substitute into the first equation:

8 + d = 22

d = 14

Therefore, there are 8 quarters and 14 dimes.

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

8 0
3 years ago
7. Allan went shopping for stationery. He bought x pens at $1.75 each and y books at
timurjin [86]

Answer:

$4.25

Step-by-step explanation:

<em><u>x </u></em><em><u>pens=</u></em><em><u>$</u></em><em><u>1</u></em><em><u>.</u></em><em><u>7</u></em><em><u>5</u></em>

<em>y </em><em>pens </em><em>=</em><em>$</em><em>2</em><em>.</em><em>5</em><em>0</em>

<em>Now,</em>

<em>in </em><em>the </em><em>ter</em><em>m</em><em>s </em><em>of </em><em>x </em><em>and </em><em>y </em><em>,</em>

<em>Alan </em><em>spend </em><em>altogether</em><em>=</em><em>1</em><em>.</em><em>7</em><em>5</em><em> </em><em>+</em><em>2</em><em>.</em><em>5</em><em>0</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>$</em><em>4</em><em>.</em><em>2</em><em>5</em>

4 0
2 years ago
A pitcher is full of lemonade. Which unit of liquid volume best describes the amount of lemonade in the pitcher? Explain.
Yuri [45]
Ounces (oz.) because ounces are used for the mass and measurements in mostly liquid <span />
5 0
3 years ago
6 in.<br> 10 in.<br> 15 in.<br> V = [?] in.³<br> area of base<br> Volume of Prism B.h
Nadusha1986 [10]

Answer:

300

Step-by-step explanation:

A pyramid with a triangle-shaped base whose three triangular faces meet at the ap/ex. The triangular pyramid formula included both the volume and surface area of the pyramid. The triangular pyramid volume formula calculates the base area and the height whereas the surface area of the triangular pyramid calculates the base area, perimeter,, and slant height. Formulas for volume and surface area of the triangular pyramid are given below that are used in the triangular pyramid formula: 

Volume= 1/3 × Base area × Height

6 0
2 years ago
The repeating decimal for 3/9
ValentinkaMS [17]

For 3/9, the repeating decimal is .3

8 0
2 years ago
Read 2 more answers
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