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1 year ago

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The value of the x- intercept for the graph of 4x-5y=40 is

1 answer:

andrew-mc [135]1 year ago

8 0

4x - 5y = 40

4x = 40 + 5y
x = 10 + 5/4y

The x intercept is 10.

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Ling lives 2 miles from school. It took him 15 minutes to bike from school to home. The first half of the distance he biked at a

lisov135 [29]

1 mile at 12 m/h is .2 m/min
1 mile at .2 m/min (1/.2) = 5 min So the first mile took 5 minutes
To find how fast the second mile was:
You know it was 1 mile and it took 10 minutes
1/10=.1 m/min which is 6 m/h
The average speed is 6+12/2=9 m/h

Hope that helps. Feel free to ask any questions.

5 0

1 year ago

Read 2 more answers

Evaluate 10m +\dfrac {n^2}410m+ 4 n 2 10, m, plus, start fraction, n, squared, divided by, 4, end fraction when m=5m=5m, equal

Readme [11.4K]

Answer: $54$

Step-by-step explanation:

Given the following expresion provided in the exercise:

$10m+\frac{n^2}{4}$

You can follow these steps in order to evaluate it when $m=5$ and $n=4$ :

1. You need to substitute $m=5$ and $n=4$ into the given expression:

$10(5)+\frac{(4)^2}{4}$

2. Now you can solve the mutiplication:

$=50+\frac{(4)^2}{4}$

3. Since $4^2=4*4$ , you get:

$=50+\frac{16}{4}$

4. You must solve the division. Divide the numerator 16 by the denominator 4. Then:

$=50+4$

5. And finally, you must solve the addition. So, you get this result:

$=54$

3 0

1 year ago

Chris spent half of his money on a pair of headphones. Then he spends half of his remaining money of recordable CDs. Finally, he

otez555 [7]

I think the answer would be $50.50

4 0

2 years ago

Read 2 more answers

Find the measure of angle x in the figure below:

Gekata [30.6K]

45+55=100 180-100=80 that makes y = 80, and vertical angles makes x=80

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2 years ago

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The parabola y=x^2y=x 2 y, equals, x, start superscript, 2, end superscript is reflected across the xxx-axis and then scaled ver

kramer

ANSWER

The equation of the new parabola is

$y = - 5 {x}^{2}$

EXPLANATION

The given parabola has equation:

$y = {x}^{2}$

If this parabola is reflected in the x-axis, its equation becomes :

$y = - {x}^{2}$

When this parabola is scaled vertically by a factor of 5, the equation becomes,

$y = - 5 {x}^{2}$

5 0

1 year ago