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3 years ago

7

Jaime wants to know how fast she can type, so she times herself as she types a paper. The paper has 442 words in it, and Jaime t

ypes it in 13 minutes. What is her typing rate, in words per minute?

1 answer:

ololo11 [35]3 years ago

5 0

Answer:

34

Step-by-step explanation:

First you find out how many words in the paper and then divide it by how many minutes to get your answer

You might be interested in

Factor each polynomial x^2-9x+10 <br> Show your work

jok3333 [9.3K]

Answer:

not factorable

Step-by-step explanation:

$x^{2} - 9x +10\\$

The easiest way to factor is to find two numbers of the "a" value (the coefficient before $x^{2}$ ) and the factors of the c value (10) that ADD up to give you -9, in this case it would be:

1 -10 --> 1(-10) gives you -10

1 -1 --> 1(-1) gives you -1

adding these together -10 + (-1) = -11 which does not equal -9.

You could stop here and conclude that this is not factorable by inspection.

Another method: using the quadratic formula to find its roots.

Roots: $(\frac{9-\sqrt{41} }{2}, 0)$ and $(\frac{9+\sqrt{41}}{2}, 0)$

7 0

3 years ago

adam drove 280 miles in 4 hours . on average, how fast did he drive in hours per mile ? Express your answer in simplest form

Ivan

Answer:

Step-by-step explanation:

$\frac{4 hours}{280 miles}$

$\frac{1 hour}{70 miles}$

5 0

4 years ago

Write an equation of the perpendicular bisector of the segment with endpoints G 9,8       and H 3,2      .

Norma-Jean [14]

Answer:

y = -x + 11

Step-by-step explanation:

The equation of a straight line is is given by:

y = mx + b; where m is the slope and b is the y intercept

The equation of the line joining G(9, 8) and H(3, 2) is given as:

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)\\\\y-8=\frac{2-8}{3-9}(x-9)\\\\y-8=x-9\\\\y=x-1$

The perpendicular bisector of the line joining G(9, 8) and H(3, 2) is perpendicular to the line joining G(9, 8) and H(3, 2) and passes through the midpoint of line joining G(9, 8) and H(3, 2).

Let (x, y) be the midpoint of the line joining G(9, 8) and H(3, 2). Hence:

x = (9 + 3)/2 = 6

y = (8 + 2)/2 = 5

The midpoint = (6, 5)

Two lines are perpendicular if the product of their slopes is -1.

The line joining G(9, 8) and H(3, 2) has a slope of 1, hence, the slope of the perpendicular bisector would be -1.

This means that the perpendicular bisector has a slope of -1 and passes through (6, 5). Using:

$y-y_1=m(x-x_1)\\\\y-5=-1(x-6)\\\\y-5=-x+6\\\\y=-x+11$

The equation of the perpendicular bisector is y = -x + 11

8 0

3 years ago

The surface area and volume of a sphere are in the ratio of 3:7cm.What is the circumference of its great circle and volume

marishachu [46]

Answer:

Radius of sphere =1unit

SurfaceareaVolume=4πr234πr3=34π(1)3×4π(1)21=31

∴V:S=1:3 cm

Step-by-step explanation:

Hope this helps. If any questions, please ask in comments.

3 0

2 years ago

Consider functions f and g.

nikklg [1K]

Answer:

C. 1

Step-by-step explanation:

Looking to the Venn's diagram, we can realize that g(1) = 0

If g(1) = 0, you just need to put 0 in place of x in f(x), so we have:

f(0) = 3√0 + 1

f(0) = 3•0 + 1

f(0) = 1

7 0

3 years ago