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3 years ago

For every $12 he earns babysitting , he saves $5 , on saturday , rob earned $48 babysitting how much money did he save

Mathematics

2 answers:

Hunter-Best [27]3 years ago

8 0

Yep! $20. .....I wish I had $20. I'm so broke. :(

laila [671]3 years ago

5 0

He saved $20

Hope this helps

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Tables originally priced at $70 are now on sale for $42.What is the discount, as a percentage?

d1i1m1o1n [39]

Answer:

40%

Step-by-step explanation:

you saved $28.00

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3 years ago

Write an equation for the line that has a slope of 1/2 and passes though the point (-2,5)?

Schach [20]

Answer:

y=1/2x+6

Step-by-step explanation:

Y=MX+B

m= slope=1/2

b= y-intercept

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3 years ago

Read 2 more answers

1) find the equation of the line parallel to

In-s [12.5K]

Answer:

1) The equation of the line parallel to x-5y=6 and through (4,-2) is 5y = x -14

2) The equation of the line perpendicular to y= -2/5x + 3 and through (2,-1) is 2y = 5x -12

Solution:

1) find the equation of the line parallel to x-5y=6 and through (4,-2).

Given, line equation is x – 5y = 6

We have to find the line equation that is parallel to given line and passing through the point (4, -2)

Now, let us find slope of the given line.

$\text { Slope }=\frac{-x \text { coefficient }}{y \text { coefficient }}=\frac{-1}{-5}=\frac{1}{5}$

Now, we know that, slope of parallel lines are equal.

So, slope of required line is 1/5 and it passes through (4, -2)

Now, using point slope form

$y-y_{1}=m\left(x-x_{1}\right) \text { where } m \text { is slope and }\left(x_{1}, y_{1}\right) \text { is point on line. }$

$y-(-2)=\frac{1}{5}(x-4) \rightarrow 5(y+2)=x-4 \rightarrow 5 y+10=x-4 \rightarrow x-5 y=14$

Hence, the line equation is 5y = x -14

2) find the equation of the line perpendicular to y= -2/5x + 3 and through (2,-1)

$\text { Given, line equation is } y=-\frac{2}{5} x+3 \rightarrow 5 y=-2 x+15 \rightarrow 2 x+5 y=15$

We have to find the line equation that is perpendicular to given line and passing through the point (2, -1)

Now, let us find slope of the given line.

$\text { Slope }=\frac{-x \text { coefficient }}{y \text { coefficient }}=\frac{-2}{5}=-\frac{2}{5}$

Now, we know that, product of slopes of perpendicular lines equals to -1.

So, slope of required line $\times$ slope of given line = -1

slope of required line = $-1 \times \frac{5}{-2}=\frac{5}{2}$

And it passes through (2, -1)

Now, using point slope form

$\begin{array}{l}{\text { Line equation is } y-(-1)=\frac{5}{2}(x-2) \rightarrow 2(y+1)=5(x-2)} \\\\ {\rightarrow 2 y+2=5 x-10 \rightarrow 5 x-2 y=12}\end{array}$

Hence, the line equation is 2y = 5x -12

4 0

3 years ago

Which is small 1.2 or 1.7

Orlov [11]

Answer:

1.2 is less so your answer should be 1.2.

= 1.2

7 0

3 years ago

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Select all choices that are equal to (-5) - (-12)

Tju [1.3M]

Answer:

Step-by-step explanation:

7 The difference between-5 and -12. (-5) + 12

5 0

2 years ago

Read 2 more answers