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Ne4ueva [31]
3 years ago
13

What is the sum? (4x - 3) + (-2x + 5)

Mathematics
1 answer:
ycow [4]3 years ago
3 0

Answer:

2x+2

Explanation:

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Jose drove to the mountains last weekend. There was heavy traffic on the way there, the trip took eight hours. When jose drove h
vodka [1.7K]

Answer:

The distance is 280 miles

<em></em>

Step-by-step explanation:

Given

When going to the mountain:

Let the speed be x.

Speed = x

Time = 8

When going home:

Speed = 21 + x

Time = 5

Required

Determine the distance of the mountains

Distance is calculated as:

Distance =  Speed * Time

When going to the mountains, the distance is:

Distance = x * 8

When going home, the distance is:

Distance = (21 + x) * 5

It should be noted that, the distance is the same.

So, we have:

x * 8 = (21 + x) * 5

Open bracket

x * 8 = 21* 5 + x * 5

8x = 105 + 5x

Collect Like Terms

8x - 5x= 105

3x= 105

Divide both sides by 3

x= \frac{105}{3}

x= 35

Substitute 35 for x in

Distance = x * 8

Distance = 35  * 8

Distance = 280

<em>The distance is 280 miles</em>

5 0
3 years ago
What is the circumference of circle P?<br><br> Express your answer in terms of π.
Zolol [24]

Answer:

Circumference of a circle= 2\pi r

Step-by-step explanation:

The circumference of any circle is the total length of its boundary which can be calculated by the formula:

                Circumference of a circle= 2\pi r

               Where 'r' is the radius of the circle

For, the given circle the circumference can be find in terms of \pi  by putting some value of radius in the formula, which gives the circumference in terms of \pi.

7 0
4 years ago
Help with algebraic equation and to solve it plz
lutik1710 [3]
4) fifteen less than y is 32

15 - y= 32

15 - (-17)= 32

two negatives become positive so 15+17= 32


7 0
4 years ago
Help me please!!!!!!!​
Zolol [24]

Answer:

C (-6,-8) → C' (6,8)

D (-2,-8) → D' (2,8)

E (-2,-4) → E' (2,4)

F (-6,-4) → F' (6,4)

Step-by-step explanation:

When you rotate a point 180° counterclockwise about the origin, the point A (x,y) becomes A' (-x,-y). So, if the points are positive, they will become negative.

Because all the points are negative, rotating them 180° counterclockwise will make them positive.

Hope that helps.

7 0
3 years ago
Hi, can you help me to solve this exercise please!!
ozzi

It is given that

\csc (\theta)=\frac{\sqrt[]{170}}{10}

We know that

\sin (\theta)=\frac{1}{\csc (\theta)}

\text{Substitute }\csc (\theta)=\frac{\sqrt[]{170}}{10},\text{ we get}

\sin (\theta)=\frac{1}{\frac{\sqrt[]{170}}{10}}

\sin (\theta)=\frac{10}{\sqrt[]{170}}

\sin (\theta)=\frac{\sqrt[]{10}\sqrt[]{10}}{\sqrt[]{17\times10}}

\sin (\theta)=\frac{\sqrt[]{10}}{\sqrt[]{17}}

\sin (\theta)=\sqrt[]{\frac{10}{17}}

Hence the required value is

\sin (\theta)=\sqrt[]{\frac{10}{17}}

7 0
1 year ago
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