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g100num [7]
2 years ago
14

HURRY please answer thisWhich expression is represented by the model?

Mathematics
1 answer:
Irina18 [472]2 years ago
3 0
Respuesta:

es una operacion aritmetica de sustraccion. sustraes la variante o la pones en negativo.
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What are the answers to these aswell mb?
docker41 [41]

Answer:

4 is D = 23

Step-by-step explanation:

the coefficient is the number before the letter

5 0
3 years ago
How do you solve the system of equations 4 x − 2 y = 1 and -4 + 4 y = -2
Dmitrij [34]

Answer: y= -2 - 1/2

Step-by-step explanation:

-4x -2y = 1

+4x       +4x

-2y = 4x + 1

/-2    /-2    /-2

y= -2 - 1/2

I think, i may be incorrect but the verbal explanation is; -4x is needed to be moved so you add 4x to both sides and 4x cancels out on the left which leaves -2y on the left (when it was moved "x" is always first). then divide all numbers by -2 to get y by itself. this gives you y= -2 - 1/2 if my calculations are correct.

4 0
4 years ago
David rented a truck for one day. There was a base fee of $16.95 , and there was an additional charge of 98 cents for each mile
Nadusha1986 [10]
136.51=16.95+.98x

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3 0
3 years ago
Lisa is 53 3 4 inches tall. Joey is 1 1 2 inches shorter than Lisa and Jane is 1 1 5 inches shorter than Joey. How tall is Jane?
tester [92]

Answer: Jane's height =  51\dfrac{1}{20}\text{ inches}

Step-by-step explanation:

Given: Lisa's height = 53\dfrac34\text{ inches}=\dfrac{4\times53+3}{4}\text{ inches}

=\dfrac{215}{4}\text{ inches}

Joey's height = \dfrac{215}4-1\dfrac12 inches

=\dfrac{215}4-\dfrac32\\\\=\dfrac{215-6}{4}\\\\=\dfrac{209}{4}\text{ inches}

Jane's height = \dfrac{209}{4}-1\dfrac15 inches

=\dfrac{209}{4}-\dfrac{6}{5}\\\\=\dfrac{209\times5-6\times4}{20}\\\\=\dfrac{1045-24}{20}\\\\=\dfrac{1021}{20}\\\\=51\dfrac{1}{20}\text{ inches}

Hence, Jane's height = 51\dfrac{1}{20}\text{ inches}

3 0
3 years ago
What is the area of a rectangle with a base of 10 inches and an altitude of 12 inches?
WARRIOR [948]
First your gonna take the inches (10) and multiply that by the altitude (12) and that’s the area
AREA: multiply
7 0
4 years ago
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