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erastovalidia [21]
2 years ago
13

A car travels at a speed of s miles per hour. It covers 126 miles in 3 hours.

Mathematics
1 answer:
makvit [3.9K]2 years ago
8 0

Answer:

s=42

Step-by-step explanation: 126 divided by 3 = 42

42mph

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URGENT I HAVE ALMOST 0 TIME LEFT I NEED LAST MINUTE HELP
jonny [76]

Answer:

The zeros are the points where the parabola intercepts the x-axis.

\sf x = 7 \implies x - 7 = 0

\sf x = 1 \implies x - 1 = 0

\sf \implies y = a(x - 7)(x - 1)  where a is some constant

If the parabola passes through point (3, 4) then:

\sf \implies a(3 - 7)(3 - 1) = 4

\sf \implies a(-4)(2) = 4

\sf \implies -8a = 4

\sf \implies a = -\dfrac12

So the equation of the parabola is:

\sf y = -\dfrac12(x - 7)(x - 1)

Or in standard form:

\sf y = -\dfrac12x^2+4x-\dfrac72

7 0
2 years ago
What do you get when you combine the following numbers? -4-4-4-4
sladkih [1.3K]

Answer:

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Step-by-step explanation:

you just add all of them together

4 0
2 years ago
Solve 3x square - 2 x + 7 x - 5
ale4655 [162]

Answer:

The correct ans is...

3 x square + 5 x - 5

Step-by-step explanation:

U can only subtract or add if u hv the same variable..

here -2x and 7x have the same variable...

so -2x + 7x = 5x

Therefore the ans is....

3 x square + 5 x - 5

Hope this helps....

Have a GOOD DAY !!!!

Pls mark my ans as brainliest

If u mark my ans as brainliest u will get 3 extra points

Sry to say....

U really need to read ur Math TBK

7 0
3 years ago
Read 2 more answers
Rob ate 3 cookies and drank 2 cups of milk. Barry ate 8 cookies and drank 1 cup of milk. Kevin ate 9 cookies and drank 4 cups of
harkovskaia [24]
<h3><u>Cookies</u></h3>

Rob: 3

Barry: 8

Kevin: 9

Let's add all of that up.

3 + 8 + 9

11 + 9

= 20 cookies total


<h3><u>Milk</u></h3>

Rob: 2

Barry: 1

Kevin: 4

Let's add this up.

2 + 1 + 4

3 + 4

= 7 cups of milk


They had 20 cookies and 7 cups of milk before they ate.

8 0
3 years ago
Read 2 more answers
Wich is the unknown number? which property did u use?
Gwar [14]
The answer is 9. because... (8+9) + 32= 49
3 0
3 years ago
Read 2 more answers
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