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timurjin [86]
2 years ago
6

Joanna has a total of 7 rolls of coins worth $23. She has rolls of dimes worth $5 each, and

Mathematics
1 answer:
son4ous [18]2 years ago
7 0

Answer:

3 rolls of dimes and 8 rolls of nickels

hope it helps!!!!!!!!! :]

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Will mark Brainliest ONLY IF YOU EXPLAIN THE ANSWERS!!! 35 points for 4 questions! I'm in a quiz please help!?!
Rudik [331]

Answer: 1.B 2.C 3.A 4.d

Step-by-step explanation:

8 0
2 years ago
Zaire is buying a truck that costs p dollars. The expression shown represents the sales tax on the truck.
natima [27]

Answer:

The expression representing the total price of the truck including the sales tax is 1.07p

Step-by-step explanation:

The total price of the Truck can be calculated by adding the cost of the Truck to the sales tax of the Truck

From the question, the cost of the truck is $ p while the tax is 0.07p

So the total price of the truck will be;

p + 0.07p

= p( 1 + 0.07)

= p(1.07)

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8 0
2 years ago
Which expression has a negative value?
Igoryamba

Answer:

A: 7 + 3 (negative 4) (2)

Step-by-step explanation:

Just as a rule of thumb, whenever you multiply or divide one negative number and one positive number, the outcome is always negative. However, whenever you multiply or divide two negative numbers OR two positive numbers, the outcome is always positive.

Now, let's first convert all these words into simple mathematical expressions and then solve them:

A) "7 + 3 (negative 4) (2)" = 7 + 3 * (-4) * 2 = 7 + (-24) = -17

B) "Negative 2 Left-bracket 12 divided by (negative 3) Right-bracket" =

-2 * [12/(-3)] = -2 * (-4) = 8

C) "(15 minus 7) minus (9 divided by 3)" = (15 - 7) - (9/3) = 8 - 3 = 5

D) "Negative 5 Left-bracket 7 + (negative 14) Right-bracket minus 30" =

-5 * [7 + (-14)] - 30 = -5 * (-7) - 30 = 35 - 30 = 5

The only expression that produces a negative value is the first one, A.

Hope this helps!

3 0
2 years ago
Read 2 more answers
Unit 4: Lesson 9: Parallel and Perpendicular Lines Unit Test Parallel and Perpendicular Lines does anyone have the answers for t
Nookie1986 [14]
What test is this question from?
7 0
2 years ago
Jessica shoebox is 20 cm long and 10 cm wide. How many more millimetres is the length of the shoebox than the width?
Jet001 [13]
Ok so for every 1 centimeter you get 10 millimeters. Meaning that if you multiply 20 * 10 you get 200 millimeters and if you multiply 10 * 10 you get 100. Now you subtract 200-100 and you get 100 millimeters.
8 0
2 years ago
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