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morpeh [17]
3 years ago
15

Which value of x makes the open sentence true?

Mathematics
1 answer:
xeze [42]3 years ago
7 0

Answer:

x=1/2 or 0.5

B. 0.5

Step-by-step explanation:

Step one: Add x to both sides

you then get the equation 7=4x+5

Step two: subtract 5 from both sides

you then get the equation 2=4x

Divide both sides by 4 to undo the multiplication.

2/4=4x/4x

you get x=2/4 which simplifies to 1/2.

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Which steps will generate an expression equivalent to 17(x+5)
Eddi Din [679]
Multiply 17x5=85,85+5=90 so aswer is 90
3 0
3 years ago
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The groundhog population of​ Punxsutawny, Pennsylvania is closely monitored each year. Two years ago the population decreased by
kap26 [50]

Answer:

There was a increase of 1.7% over these three​ years

Step-by-step explanation:

Multipliers:

For a decrease of a%, we multiply by: \frac{100-a}{100}

For a increase of a%, we multiply by: \frac{100+a}{100}

What was the percentage​ increase/decrease of groundhogs over these three​ years?

Decrease of 12%(multiplication by 0.88).

Increase of 6%(multiplication by 1.06).

Increase of 9%(multiplication by 1.09).

After these three years:

0.88*1.06*1.09 = 1.017

1.017 - 1 = 0.017

0.017*100% = 1.7%

There was a increase of 1.7% over these three​ years

3 0
3 years ago
This figure represents a small brick that is to be covered on all sides with a striped fabric. How much fabric is needed to cove
kati45 [8]
For a question like this you need to find the surface area
The formula is :
b x w x h (base x width x height)

So you multiply 3 1/2 x 6 x 5 1/2 = 22.5

Answers 22.5
7 0
2 years ago
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Represent Jacey wrote an equation to
Anika [276]

Answer:

b is the angle being measured while a is the angle at a point with b

Step-by-step explanation:

The only time we use 360 for calculating an angle is when the two angles are at a point as both of them assuming a and b sum up to 360°.

Therefore a + b = 360

and if b is being measured, b = 360 -a

3 0
3 years ago
An increase in the interest rate
amm1812

Answer:

D. decreases the demand for money.

Step-by-step explanation:

Money demand and interest rate has an inverse relationship.

An increase in the interest rate decreases the demand for money. An increase in the price of bonds results in a lower interest rate.

When the interest rate increases, an individual's opportunity cost for holding his money increases. In this condition, the person chooses to hold more bonds, thereby demanding less money.

3 0
3 years ago
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