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Olenka [21]
3 years ago
11

5.5 + 2.1x + 3.8x – 4.1

Mathematics
2 answers:
lozanna [386]3 years ago
4 0

Answer:

5.9x + 1.4

Step-by-step explanation:

5.5 + 2.1x + 3.8x - 4.1

= 5.9x + 1.4

masya89 [10]3 years ago
3 0

Answer:

1.4 + 5.9x

Step-by-step explanation:

You add like terms. Since 2.1x and 3.8x are like-terms, due to the variable x, you combine them. 5.5 and -4.1 are also like-terms because they both have no variable.

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WILL GIVE BRAINLEIST NEED TO TURN IN BY 9 P.M. PLS HURRY SUPER EASY.
Lady_Fox [76]

Answer:

Always true because there are no other options that allow the equations to be true

Step-by-step explanation:

a+4=8

subtract 4

a=4

4-m=2

add m

4=2+m

subtract 2

2=m

3 0
3 years ago
What is an equation of the line that is parallel to y=3x-8 and passes through point (4,-5)?
kompoz [17]
The equation of the line that is // to the given equation MUST HAVE THE SAME SLOPE.

The slope of the hiven equation is the number next to x or 3.

See it?

We know the slope is 3 and one point is given.

We now use the point-slope formula to find the equation.

y - y_1 = m(x - x_1)

See picture. The answer is y = 3x - 7.
5 0
3 years ago
90. The number of daily evening newspapers in the United States has decreased by 46.5% to
aleksandr82 [10.1K]

Answer:

700

Step-by-step explanation:

Given:

Daily evening newspapers in 2015 = 389

Percentage decrease from 2000 to 2015 = 46.5%

To find:

Number of newspapers in 2000 = ?

Solution:

Let the number of newspapers in 2000 = x

When 46.5% of the total newspapers in 2000 (x) is subtracted from the total  newspapers in 2000 (x), it will be equal to the number of newspapers in 2015.

Making the equation as per the given statement:

x-x\times 46.5\%=389\\\Rightarrow \dfrac{100x-46.5x}{100}=389\\\Rightarrow 53.5x=38900\\\Rightarrow x\approx \bold{727}

Therefore, the answer is:

There were <em>727 </em>newspapers in 2000.

7 0
3 years ago
Find the surface area of a triangular prism that has the following dimensions. Use the formula SA = 2B + Ph.
OverLord2011 [107]
Answer: The surface area of the triangular prism is 448 square millimeters.

To find the surface area, we just need to input our values into the formula that is given.

SA = 2B + Ph
SA = 2(84) + 56(5)
SA = 168 + 280
SA = 448

The final surface area is 448 mm^2.
7 0
4 years ago
Read 2 more answers
70%70, percent of a number is what fraction of that number?
lesantik [10]

Hello there!

A number that is 70% of a number is 7/10 of that number in fraction form!

I hope this was helpful and have a great rest of your day!

3 0
4 years ago
Read 2 more answers
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