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Orlov [11]
3 years ago
13

What is the slope of the line shown on the graph?

Mathematics
2 answers:
rewona [7]3 years ago
8 0
The answer is B because it goes up 1 and over 3
ale4655 [162]3 years ago
3 0
Hi do u want me to give you the answer or give u the formula?

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What's the answer to this question= 4(3x + 2) + 2(x + 3)
Serga [27]

Answer:

\huge{ \boxed{ \bold{ \tt{14x + 14}}}}

Option E is the best choice.

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

☯ Question : Simplify

  • 4 ( 3x + 2 ) + 2 ( x + 3 )

☯ Available options :

☐ 12x + 16

☐ 24x + 48

☐ 10x + 2

☐ 14x + 48

☑ 14x + 14

☐ 9x + 5

✎ Step - by - step explanation :

  • \sf{4(3x + 2) + 2(x  + 3)}

Distribute 4 through the parentheses

\dashrightarrow{ \sf{12x + 8 + 2(x + 3)}}

Distribute 2 through the parentheses

\dashrightarrow{ \sf{12x + 8 + 2x + 6}}

Combine like terms. Only coefficients of like terms can be added or subtracted

\dashrightarrow{ \sf{12x + 2x + 8 + 6}}

\dashrightarrow{ \sf{14x + 8 + 6}}

Add the numbers : 8 and 6

\dashrightarrow{ \boxed{ \sf{14x + 14}}}

Hope I helped!

Have a wonderful time ツ

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

6 0
3 years ago
Can you explain step by step for #15 and #16 I have a test on this tomorrow
RUDIKE [14]

Answer:

15.

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. 10 ml of 20% saline and 40 ml of 10% saline

Step-by-step explanation:

A chemist takes x ml of 20% saline and y ml of 10% saline. In total, he takes

x + y ml that is 50 ml, so

x + y = 50.

There are  0.2x ml of salt in x ml of 20% saline and 0.1y ml of salt in 10% saline. There are 0.12\cdot 50=6 ml of salt in 50 ml of 12% saline. Thus,

0.2x+0.1y=6

15. We get the system of two equations:

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. Solve this system. From the first equation:

x=50-y

Substitute it into the second equation:

0.2(50-y)+0.1y=6\\ \\10-0.2y+0.1y=6\\ \\-0.1y=6-10\\ \\-0.1y=-4\\ \\y=40\\ \\x=50-y=50-40=10

7 0
3 years ago
In a survey of market, it is found that 143 persons use white toothpaste and 135 use red toothpaste. If 70 of them use both the
denpristay [2]

Answer:

let W and R represent white toothpaste and red toothpaste represently

n(W)=143

n(R)=135

n(WnR)=70

n( WuR)=?

Now,

n(WuR)=n(W)+n(R)_n(WnR)

=143+135_70

=208

that's all don't forget to write therefore.

6 0
3 years ago
The question is show a dilation of a rectangle with a dilation of 8/3
miv72 [106K]

It's always easier to understand a concept by looking at specific examples with pictures, so I suggest looking at the dilation examples below first...before you try to internalize the steps listed below and that explain the general formula for dilating a point with coordinates of (2,4) by a scale factor of <span><span>12</span><span>12</span></span>.

<span><span>1) multiply both coordinates by scale factor<span>(<span><span>2⋅<span>12</span>,4⋅<span>12</span></span><span>2⋅<span>12</span>,4⋅<span>12</span></span></span>)</span></span><span>2)

2. Simplify(1,2)</span><span>3)

3. Graph(if required)<span> </span></span></span>
5 0
3 years ago
What is the equation of the line that passes through the points (3,1) and (2,-4)​
Ainat [17]

Answer:

The answer is in the media.Good luck!

4 0
3 years ago
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