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3 years ago

PLS HELP WILL GIVE BRAINLYEST 40 POINTS

Mathematics

2 answers:

babymother [125]3 years ago

8 0

Answer:

Divide the shape into three rectangles, find their different perimeters and the sum it up

he was correct

sveticcg [70]3 years ago

6 0

Divide the shape into three rectangles, find their different perimeters and the sum it up

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The wingspans, in inches, of seven basketball players are listed below.

kvasek [131]

Answer:

788988

Step-by-step explanation:

99875=0

8 0

3 years ago

A shipment of racquetballs with a mean diameter of 60 mm and a standard deviation of 0.9 mm is normally distributed. By how many

asambeis [7]

Mean 60 - 2(0.9) = 58.2
58.2 is 2 standard deviations from the mean.

8 0

3 years ago

Read 2 more answers

What are the x-intercepts of y=2x^2+6x-20?

NISA [10]

Answer:

the x-intercepts are -5 and 2

Step-by-step explanation:

$y=2x^2+6x-20$

x-intercept is when y is set equal to zero

So, y = 0

$0 = 2x^2+6x-20$

$2x^3+6x-20 = 0\\Taking \ 2 \ common\\2(x^2+3x-10) = 0\\Dividing \ both \ sides \ by \ 2\\x^2+3x-10 = 0\\Using \ mid\ term \ break \ formula\\x^2+5x-2x-10 = 0\\x(x+5)-2(x+5)=0\\Taking \ (x+5) \ common\\(x+5)(x-2) = 0$

Either,

x+5 = 0 OR x-2 = 0

x = -5 OR x = 2

So, the x-intercepts are -5 and 2

7 0

3 years ago

Read 2 more answers

Use the table of values below to select the correct statement.

quester [9]

Answer:

Linear function with rate of change/growth = 2.5, which agrees with the fourth statement listed in the answers options.

Step-by-step explanation:

Notice that both columns of reported x and y values are increasing.

Then examine how the given x-values increase:

-2, 2, 6, 10, 14 (in steps of 4 units)

and how their corresponding y-values increase:

-2, 8, 18, 28, 38 (in steps of 10 units)

therefore, if we do the rate of change for any pair $(x_1,y_1)$ and $(x_2,y_2)$ , we get the following constant rate of change:

$\frac{y_2-y_1}{x_2-x_1} = \frac{10}{4} =2.5$

Given that this relationship is valid for any pair of (x,y) values. we conclude that the rate of increase is constant, and therefore we are in the presence of a linear function, whose rate of change is 2.5

8 0

3 years ago

Subtract: (b^2 + 9 ab + 5a ) - ( 3b^2 -25ab + 1)

Brrunno [24]

Answer:

- 2b^2 + 34ab + 5a - 1

Step-by-step explanation:

here's your solution

=> (b^2 + 9ab + 5a) - (3b^2 - 25ab + 1)

=> b^2 + 9ab + 5a - 3b^2 + 25ab - 1

=> - 2b^2 + 34ab + 5a - 1

hope it helps

6 0

2 years ago