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3 years ago

Please help!!! need answered quick

Mathematics

1 answer:

e-lub [12.9K]3 years ago

4 0

That looks hard lol

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How do I solve for x?<br> -3x+7=1

inna [77]

Answer:

x=2

Step-by-step explanation:

-3x+7=1

subtract 7 from both sides: -3x+7-7=1-7

simplify: -3x=-6

divide both sides by -3: $\frac{-3x}{-3}=\frac{-6}{-3}$

simplify: x=2

4 0

3 years ago

Read 2 more answers

Challenge A bag contains pennies, nickels, dimes, and quarters. There are 50 coins in all. Of the coins, % are pennies and

Semmy [17]

Answer:

10% of 50 coins is/are 5 coins. So, 5 coins are pennies.

40% of 50 coins is/are 20 coins. So, 20 coins are dimes.

The number of nickels is (5 + 9) = 14, according to the condition.

Then quarters are the rest (50 - 5 - 20 - 14) = 11 coins.

Now you can easily calculate the total and answer the question

Total = 5*1 + 14*5 + 20*10 + 11*25 = 550 cents = $5.50. ANSWER

Step-by-step explanation:

5 0

3 years ago

Write Polynomial Function From Graph

zavuch27 [327]

Answer:

X=38(8m)#7=274*€7£

Step-by-step explanation:

There you go my answer is pretty much the explanation

not sure what grade this is but if this is collage than that would be the answer

3 0

3 years ago

Television sizes are usually described by the length of their diagonal measure. What would be the listed size of the Tv whose wi

wel

Answer:

50 or 55

Step-by-step explanation:

7 0

3 years ago

A sampling of hemlock trees revealed that 7 out of 190 trees are infected with insects. About how many of the 950 hemlock trees

nignag [31]

Answer:

About 35 trees in a state park are infected with insects

Step-by-step explanation:

we know that

7 out of 190 trees are infected with insects

using proportion

Find out about how many of the 950 hemlock trees in a state park are infected with insects

$\frac{190}{7}=\frac{950}{x} \\\\x=7(950)/190\\\\x= 35$

therefore

About 35 trees in a state park are infected with insects

3 0

3 years ago

Please help!!! need answered quick​

Please help!!! need answered quick