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MrRissso [65]
4 years ago
12

Donald took a math test and got 15 answers correct and 5 incorrect how many questions were on the test

Mathematics
2 answers:
Pepsi [2]4 years ago
8 0
There should be 20 questions that was on the test.
jekas [21]4 years ago
5 0
20 questions

Is this some type of trick question I'm missing out on? 
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What is five times a number less than 18 is equal to 13
grigory [225]
Let's say the number is x

5 times a number is 5 times x or 5x

5 times a number less than 18  means 18 decreased by 18 times a number or 18-5x

equals 13

18-5x=13
minus 18 both sides
-5x=-5
divide both sides by -5
x=1

the number is 1
the phrase is 18-5x=13 where the number is x
4 0
3 years ago
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Fei Yens dog eats 80 ounces of dog foods each day. Fei Yen bought a 28 pound bag of dog food. How many 8 ounce servings are in a
vladimir1956 [14]

Answer: 56 ounce servings

Step-by-step explanation: Good luck! :D

8 0
3 years ago
Help please. <br> Please select the best answer from the choices provided
kykrilka [37]

Answer:

true

Step-by-step explanation:

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3 years ago
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What is 1 + ( -2) ?<br>​
geniusboy [140]

When we have mixed signs we need to make it a negative. A plus and a minus or a minus and a plus are made into a minus by default.

With that in mind the question would not turn into 1 - 2 =

From here we take the sign of the bigger number. The bigger number would be negative 2 and we put it as the first part of our solution

This next step might be easier with a number line from -5 to 5

We start at positive 1 on the number line. From here we need to go left because when subtracting you go left. We move two spaces to the left. So the one goes to 0 and then it goes to -1

The answer would turn out to be <u>negative one</u><u>(</u><u>-1</u><u>)</u>

<u>1</u><u> </u><u>-</u><u> </u><u>2</u><u> </u><u>=</u><u> </u><u>-</u><u> </u><u>1</u>

HOPE THIS HELPED!!! PLEASE DONT FORGET TO PUT THIS ANSWER AS THE BRAINLIEST. ALSO, LEAVE A HEART AND A 5 STAR TO LET PEOPLE KNOW IN THE FUTURE THAT THIS IS THE CORRECT ANSWER WITH A CORRECT EXPLANATION!! HAVE A GOOD DAY!

8 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLIEST!!!!!
OleMash [197]
MARK BRAINLEIST!!

A. x/2

Explanation:

6 0
2 years ago
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