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kipiarov [429]
3 years ago
14

10x + 18 less than -2

Mathematics
2 answers:
oee [108]3 years ago
6 0

Answer:

x<-2

Step-by-step explanation:

move the constant to the right

calculated it

divide both sides then you get the answer

bekas [8.4K]3 years ago
4 0
You first subtract 18 from -2 which is -20 and divide by 10 which is -2 so x=-2
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The pair of points (-4, y) and (5, 7) lie on a line with slope . What is the value of y? You must show all of your work to recei
Svetach [21]

The slope of a line is given by the ratio of the rise to the run of the line.

The value of, y is <u>4</u>

Reasons:

The given points on the line are; (-4, y), and (5, 7)

The slope of the line, = \dfrac{1}{3}

Required:

To find the value of <em>y</em>

<em />

Solution:

The formula for the slope is given as follows;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

Where;

(x₁, y₁) = (-4, y)

(x₂, y₂) = (5, 7)

Which gives;

Slope, \, m =\dfrac{7-y}{5-(-4)} = \dfrac{7-y}{5+4} =\dfrac{1}{3}

3·(7 - y) = 1·(5 + 4) = 9

21 - 3·y = 9

3·y = 21 - 9 = 12

y = \dfrac{12}{3} = 4

The value of, y = <u>4</u>

Learn more here:

brainly.com/question/1617757

8 0
3 years ago
Simplify |x+3| , if x&gt;5
hodyreva [135]

Answer:

You need a number line to complete this problem.

Step-by-step explanation:

4 0
3 years ago
Simplifica 2^4 . 2^3
IRINA_888 [86]

Answer:

Step-by-step explanation:

2^4(2^3)=2^{4+3}=2^7

4 0
3 years ago
Evaluate the expression
ruslelena [56]

Answer: 85

Step-by-step explanation:

To solve this problem, we want to use the order of operations, or PEMDAS.

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

To be more specific, you evaluate the expression in the order from top to bottom. To clarify, it is multiply OR divide, depending on which comes first, left to right. This also applies to add OR subtract.

------------------------------------------------------------------------------------------------------------

20÷(5-3)+5²(3)                              [solve parenthesis]

20÷(2)+5²(3)                                 [solve exponent]

20÷2+25(3)                                   [solve multiply or divide, left to right]

10+75                                             [solve add or subtract]

85

7 0
3 years ago
Read 2 more answers
Honestly I don't know what this graph is showing at all. Explain please?
Alenkasestr [34]
Dollars = up
Time = right

the higher the dots are the more money this person gets or gives, 
the more to the right it is, the more there is time consumption 

The answer is B
4 0
4 years ago
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