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2 years ago

13

I have math homework but i dont understand how to do it plz help me

2 answers:

ivann1987 [24]2 years ago

8 0

1) $5x+0.29=3.24
 \\ 5x=2.95
 \\ x=0.59
$
Each marker cost 59 cents

2) $7(x+3)=126
 \\ 7x+21=126
 \\ 7x=105
 \\ x=15$
The old Big Almond Bag weighed 15 ounces. The new Big Almond Bag weighs 18 ounces.

7nadin3 [17]2 years ago

4 0

Its pretty simple all it is asking you to do is divided 126 by 7 which is 18 (the new bag) and the subtracting it by 3, which would give you 15. Hope I helped!

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lina2011 [118]

Answer:

$\sqrt{54}$ and $\sqrt{120}$

Step-by-step explanation:

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25, 36 and 81 are perfect squares, but 54 and 120 aren't, so the irrational values are $\sqrt{54}$ and $\sqrt{120}$

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2 years ago

Read 2 more answers

Explain how you can use multiplication to find the quotient 3/5 divided by 3/15. Then evaluate the expression

sveta [45]

when you divide 2 fractions, you reverse the second fraction then use multiplication

3/5 divided by 3/15 becomes

3/5 x 15/3 = 45/15 = 3

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2 years ago

X²+7x+10=0 a=1, b=7, c=10 b²-4ac=(7)²-4(1) (10) =49-4(10) =49-40 =9

Sloan [31]

Answer:

X=5

X=2

Step-by-step explanation:

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Mashcka [7]

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3 years ago

The foot of a ladder is placed 10 feet from a wall. If the top of the ladder rests 13 feet up on the wall, find the length of th

Minchanka [31]

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2 years ago