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sp2606 [1]
4 years ago
13

An someone help explain this to me

Mathematics
1 answer:
Ratling [72]4 years ago
5 0
A. because you use the method of rise over run which is y/x and if the graph is changed to be 1/2 then the line becomes flatter or less steep but keeps rising.
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Gasoline mileage of a car is 40 mph. On a smooth road, it’s milage is 5% higher. What is it’s milea on a smooth road?
scZoUnD [109]

It helps to think of a simpler problem. Let's say mpg is 20 and 10% higher on a smooth road.

How many miles will you get with one gallon on a regular road?

How many more miles will you get on a smooth road? 10% more, right? How much is that?

OK - so you've now solved a simpler problem. Use the exact some process to solve your, more complicated, problem.

4 0
3 years ago
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Rosa says her baby sister is one yard tall. How tall is Rosa's sister is inches?
zheka24 [161]

Answer:

36 inches

Step-by-step explanation:

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7 0
3 years ago
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Can i please get this answer ​ if i get it i can send maths sa1 question paper for 8 th class
vodka [1.7K]

Answer:

なた方やタハアはワタは真綿は他和定や6

Step-by-step explanation:

15-x2/3627

5 0
3 years ago
Intercept from a table
gladu [14]

\bf \begin{array}{ccll} x&y\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ \boxed{14}&\boxed{-5}\\ 21&-3\\ \boxed{28}&\boxed{-1} \end{array}\impliedby \textit{we'll use two points to get the slope}

\bf (\stackrel{x_1}{14}~,~\stackrel{y_1}{-5})\qquad  (\stackrel{x_2}{28}~,~\stackrel{y_2}{-1}) \\\\\\ slope =  m\implies  \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-1-(-5)}{28-14}\implies \cfrac{-1+5}{28-14} \\\\\\ \cfrac{4}{14}\implies \cfrac{2}{7} \\\\\\ \stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-5)=\cfrac{2}{7}(x-14) \\\\\\ y+5=\cfrac{2}{7}x-4

now, to get the y-intercept, we simply set x = 0 and solve for y, and to get the x-intercept, we set y = 0 and solve for x.

\bf \stackrel{\textit{y-intercept, x = 0}}{y+5=\cfrac{2}{7}(0)-4}\implies y+5=-4\implies y=-9\qquad \qquad \stackrel{y-intercept}{(0~,-9)}\\\\ -------------------------------\\\\ \stackrel{\textit{x-intercept, y = 0}}{(0)+5=\cfrac{2}{7}x-4}\implies 5=\cfrac{2x}{7}-4\implies 9=\cfrac{2x}{7}\implies 63=2x \\\\\\ \cfrac{63}{2}=x\implies 31\frac{1}{2}=x\qquad \qquad \qquad \qquad \qquad \qquad \qquad \stackrel{x-intercept}{\left( 31\frac{1}{2}~,~0 \right)}

8 0
3 years ago
What is the answer to7/8 ÷ 4​
Blizzard [7]

4 = 4/1

When dividing fractions, we follow a rule called keep, change, flip.

7/8 * 1/4 = 7/32

7/32 is the simplest form.

4 0
3 years ago
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