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2 years ago

Nine million ninety thousand nine hundred and ninety-nine ten-thousandths

Mathematics

1 answer:

vfiekz [6]2 years ago

8 0

9,090,900.0099 is the answer.

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jack donates $X per month to charity. Ta the end if 10 months, he had 1250 donated in total. How much did he donate each month

AnnZ [28]

Answer:

He donated $125 per month.

Step-by-step explanation:

$1250 divided by 10 months to figure out how much he payed each month.

4 0

2 years ago

A car travels 9 miles in 7 minutes. How fast is it going in miles per hour? How fast is it going in meters per second?

Tems11 [23]

Answer:

he's going 77mph and then 2069 meters per hour.

8 0

1 year ago

Which of the following is a valid comparison between the possible minimum and maximum values of the function y = -x2 + 4x - 8 an

Arturiano [62]

Answer:

The maximum value of the equation is 1 less than the maximum value of the graph

Step-by-step explanation:

We have the equation $y=-x^2+4x-8$ .

We can know that this graph will have a maximum value as this is a negative parabola.

In order to find the maximum value, we can use the equation $x=\frac{-b}{2a}$

In our given equation:

a=-1

b=4

c=-8

Now we can plug in these values to the equation

$x=\frac{-4}{-2} \\\\x=2$

Now we can plug the x value where the maximum occurs to find the max value of the equation

$y=-(2)^2+4(2)-8\\\\y=-4+8-8\\\\y=-4$

This means that the maximum of this equation is -4.

The maximum of the graph is shown to be -3

This means that the maximum value of the equation is 1 less than the maximum value of the graph

6 0

2 years ago

If f(x) = 3х + 10, find f(4) A f(4) = 17 f(4) = 22 с 22 f(4) = 17

slava [35]

The second one is the answer: f(4) = 22

5 0

2 years ago

The graph shows a 90° rotation. The matrix M such that, for any point (x, y), M(x, y) = (x', y') is

guapka [62]

Answer:

A) $\left[\begin{array}{cc}0&-1\\1&0\end{array}\right]$

Step-by-step explanation:

The rotation matrix for a clockwise rotation through angle θ is given by ...

$M=\left[\begin{array}{cc}\cos{(\theta)}&-\sin{(\theta)}\\\sin{(\theta)}&\cos{(\theta)}\end{array}\right]$

When θ = 90°, the matrix becomes the one in choice A).

4 0

2 years ago