3 years ago

Write or draw to explain two different ways to find the difference for 12-3

1 answer:

3 0

You could draw 12 circles and cross out 3. Or you could write a story that goes along the equation. I hope this helped you! If you need me to explain the story you can ask.

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Is 5x+7=x-2 a one solution?

il63 [147K]

5x-x=-2-7
4x=-9
x=2/3 or x=-2/3
Since there are 2 answers, it is not one solution.

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3 years ago

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In a quiz contest, Mary answers 90% of the questions correctly without any additional clues from the quiz coordinator. The rando

vichka [17]

Answer:

1. The estimated probability that it would take at least three questions for Mary to need additional clues is 0.24

2. The estimated probability that Mary needed additional clues to answer two consecutive questions is 0.06

Step-by-step explanation:

I just took the test! I hope this helps you! <3

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3 years ago

Solve for v:<br> -5.5 = 7.3 + v/8

Romashka [77]

-5.5=7.3+v/8

convert decimals to fractions

-11/2=73/10+v/8

multiply both sides by 40

-220=292+5v

move terms

-5v=292+220

add the numbers

-5v=512

divide both sides by -5

v=512/5

answer

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3 years ago

What is 4x squares minus 81

mafiozo [28]

4 times 1 equals 4 then do 81 minus 4 which equals 77 so 77 is your answer

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4 years ago

Given that ABCD is a rhombus, what is the value of x?

Alchen [17]

Hi! Can you post a picture of the rhombus plz? Thx!

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3 years ago

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