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MAVERICK [17]
2 years ago
9

Calculate the speed for a car that went a distance of 125 miles in

Mathematics
1 answer:
Colt1911 [192]2 years ago
5 0

Answer:

To calculate spped you divide the distance by time so 125 divided by 2 will give you 62.5 m/s

Step-by-step explanation:

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A parabola can be drawn given a focus of (−4,−10) and a directrix of y=−4. What can be said about the parabola?
ANEK [815]

Answer:

The answer to your question is: Yes a parabola can be drawn if we know the focus and the directrix.

Step-by-step explanation:

We can say that it is a vertical parabola that opens downwards.

We conclude that if we graph both the focus and the directrix. Also if we continue the process we can find the vertex (-4, -7) and p = 3.

6 0
3 years ago
Shameeka sold her hamsters to a pet store. This doubled the number of hamsters in the store. Then the store got six more hamster
nalin [4]

Answer: shameeka sold 20 hamsters to the store.

Step-by-step explanation:

Let x represent the number of hamsters that shameeka sold to the store.

Let y represent the number of hamsters that the pet store had initially.

Shameeka sold her hamsters to a pet store. This doubled the number of hamsters in the store. It means that

x + y = 2y

x = 2y - y

x = y

Then the store got six more hamsters. If the pet store has 46 hamsters now, it means that

2y + 6 = 46

2y = 46 - 6

2y = 40

y = 40/2

y = 20

Since x = y, then

x = 20

5 0
2 years ago
How to simplify the expression 3w+2(2-3w)+2
andrew-mc [135]
 3w + 2 ( 2 - 3w ) + 2
  3w  +  4  - 6w      +2
  3w  - 6w  + 4 + 2
        -3w    + 6
hope it help
8 0
3 years ago
Read 2 more answers
A line passes through (9, –9) and (10, –5).Write an equation for the line in point-slope form.
Ket [755]

bearing in mind that standard form for a linear equation means

• all coefficients must be integers, no fractions

• only the constant on the right-hand-side

• all variables on the left-hand-side, sorted

• "x" must not have a negative coefficient

\bf (\stackrel{x_1}{9}~,~\stackrel{y_1}{-9})\qquad (\stackrel{x_2}{10}~,~\stackrel{y_2}{-5}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-5-(-9)}{10-9}\implies \cfrac{-5+9}{1}\implies \cfrac{4}{1}\implies 4

\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-9)=4(x-9)\implies\underline{y+9=4(x-9)} \\\\\\ y+9=4x-36\implies y=4x-45\implies \stackrel{standard~form}{\underline{-4x+y=-45}}

quick note:

the "x" must not have a negative coefficient for the standard form, though in this case it shows like so in the inappropriate choices above.

5 0
2 years ago
Can some one let me answer 2 questions so you can mark me brainly
sergeinik [125]
Can you answer mine its above with a red heart
7 0
2 years ago
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