Plsss help mee :,) ill give brainlist

Answer:

500-10x=250

x=how much the bird descended in a second

the bird will land on the ground in another 10 seconds.

Step-by-step explanation:

the bird will land on the ground in 10 seconds since it descended 250 ft in 10 seconds so that is 25 ft per second. then do 250/25 and you get 10. that is how you know the bird will land on the ground in 10 seconds.

Answer:

a) [tex]h(t)=500-25t[/tex]

b) [tex]t=20[/tex]

Step-by-step explanation:

a)

Let [tex]h[/tex] = height above ground

Let [tex]t[/tex] = time

Because the bird descended down to 250 feet in 10 seconds with a steady rate, that means it descends 25 feet per second.

∴   [tex]h(t) = 500-25t[/tex]

b)

To find the time it takes until the bird reaches the ground, [tex]h[/tex] must equal [tex]0[/tex]:

[tex]0=500-25t[/tex]

[tex]25t=500[/tex]

[tex]t=20[/tex]

∴ It takes 20 seconds for the bird to reach the ground.

Answer:

20/19

Step-by-step explanation:

[tex]\frac{20--20}{20--18} =\frac{40}{38}= \frac{20}{19}[/tex]

Answer:

59.5 units

Step-by-step explanation:

A rectangle is a quadrilateral (has four side) in which opposite sides are parallel and the diagonals bisect each other. The perimeter of a rectangle is:

Perimeter = 2(length + breadth) = 2(l + b)

The  perimeter of rectangle WXYZ is 34 inches. Therefore:

34 = 2(l + b)

l + b = 17

Rectangle ABCD is formed by dilating rectangle WXYZ by a scale factor of 1.75. Let l' = length of ABCD and b' = breadth of ABCD hence:

Length of ABCD = l' = 1.75l

Breadth of ABCD = b' = 1.75b

Perimeter of ABCD = 2(l' + b') = 2(1.75l + 1.75b) = 2(1.75)(l + b) = 3.5(l + b)

Perimeter of ABCD = 3.5(17) = 59.5 units

Answer:

59.5

Step-by-step explanation:

Answer:

35x=50

Step-by-step explanation:

this is the equation. Because its asking each month or monthly fee is $35. So its 35x=50

Answer:

Step-by-step explanation:

- 25x + 15y = 750

- (30, 0) are coordinates of x-intercept. If there is no pool-cleaning job student has to do 30 lawn-mowing.  

- (0, 50) are coordinates of y-intercept. If there is no lawn-mowing job student has to do 50 pool-cleanings.

- ( 15 , 25 ) mean 15 lawn-mowing and 25 pool-cleanings

$25(15) + $15(25) = $750

$375 + $375 = $750

Answer:

18(40/360) + 9( 140/360) -3(90/360) -7(90/360)

=2 + 3.5 - 0.75 - 1.75

= $3

Answer:

Step-by-step explanation:

Your answer is the first picture (upper left)

(5000 - 4000)/4000 x 100 = (1000/4000) x 100 = 25%

hope this help! ^^

Answer:

[tex]r=6[/tex]

Step-by-step explanation:

Make an equation in point-slope form where:

Insert the known values:

[tex](-2_{x1},8_{y1})\\\\m=-\frac{1}{2} \\\\y-8=-\frac{1}{2} (x-(-2))\\\\y-8=-\frac{1}{2} (x+2)[/tex]

Use the distributive property:

[tex]-\frac{1}{2} (x+2)\\\\-\frac{1}{2}(x)-\frac{1}{2}(2)[/tex]

Simplify. Turn the 2 into a fraction by converting to the fraction [tex]\frac{2}{1}[/tex] , which is still equal to 2:

[tex]-\frac{1}{2}(2)\\\\-\frac{1}{2}*\frac{2}{1}[/tex]

Multiply across:

[tex]-\frac{1}{2}*\frac{2}{1} =-\frac{2}{2} =-1[/tex]

Re-insert into the equation:

[tex]y-8=-\frac{1}{2}x-1[/tex]

Solve for y. Add 8 to both sides (to isolate y using inverse operations):

[tex]y-8+8=-\frac{1}{2}x-1+8\\\\y=-\frac{1}{2}x+7[/tex]

Now insert the y value of the other point to find r (which will have the same value as x):

[tex](r_{x},4_{y})\\\\4=-\frac{1}{2}x+7[/tex]

Simplify the fraction by multiplying. Add 1 as the denominator for x:

[tex]-\frac{1}{2}*\frac{x}{1}[/tex]

Multiply across:

[tex]-\frac{1}{2}*\frac{x}{1}=-\frac{x}{2}[/tex]

Re-insert:

[tex]4=-\frac{x}{2} +7[/tex]

Subtract 7 from both sides (to isolate the variable using inverse operations):

[tex]4-7=-\frac{x}{2} +7-7\\\\-3=-\frac{x}{2}[/tex]

Multiply both sides by 2 (to undo the fraction using inverse operations):

[tex]2(-3)=2(-\frac{x}{2}) \\\\-6=-x[/tex]

Divide both sides by -1 (to make the variable positive, since two negatives make a positive):

[tex]\frac{-6}{-1} =\frac{-x}{-1} \\\\x=6[/tex]

Therefore, the value of r is 6.

:Done

Answer:

There is nothing attached

Step-by-step explanation:

No question given. What is the problem?

Answer:

b

Step-by-step explanation:

when x is -2, y is 7

when x is -1, y is 5

we can see y is decreasing and it continues to decrease until x is 3

The average rate of change is -12/5 for the interval [-2, 3] which is the negative average rate of change option (B) is correct.

It is defined as the change in values of a dependent variable with respect to the independent variables.

It is given that:

A function g(x) is shown in the table.

As we know the average rate of change of a function can be given:

The average rate of change = change in y values/change in x values

For the interval [1, 5]

The average rate of change = (2-0)/(5-1) = 2/4 = 1/2

For the interval [-2, 3]

The average rate of change = (-5-7)/(3+2) = -12/5

For the interval [-5, 0]

The average rate of change = (3-0)/(0+5) = 3/5

For the interval [-4, -1]

The average rate of change = (5-2)/(-1+4) = 3/3 = 1

Thus, the average rate of change is -12/5 for the interval [-2, 3] which is the negative average rate of change option (B) is correct.

Learn more about the rate of change here:

brainly.com/question/12786410

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Answer:

0x, 0-30x, 0-x, 0 40x

Step-by-step explanation:

Answer:

it’s D

Step-by-step explanation:

A) 6 cm, 23 cm, 11 cm

B) 10 cm, 15 cm, 24 cm

C) 22 cm, 6 cm, 6 cm

D) 15 cm, 9 cm, 24 cm

Answer:

√3, and -√3

Step-by-step explanation:

to find the zeros or roots of the polinomial x²-3 make it equal to zero and solve for x

x²-3=0 add 3 to both sides to isolate x

x² = 3 squareroot both sides

√x²= √3

x= ±√3 are the two zeros

Answer:

96

Step-by-step explanation:

This is the answer because:

1) 1 shade has 12 different colors

2) Therefore, we multiply 12 and 8 together

3) 12 x 8 = 96

Hope this helps!

Answer:

m = 7/2

Step-by-step explanation:

Answer:

Ok

Step-by-step explanation:

Answer:

10

Step-by-step explanation:

correct on edg

Answer:

10

Step-by-step explanation:

edge

Answer:

Option B is correct option.

Step-by-step explanation:

We need to identify equations written in factored form.

Factored form: A factored form of expression is an expression broken down into a product of its factors.

In the given options A, C and D we don't have product of factors.

Only option B consists of product of factors.

So, Option B is correct option.

Answer:

y-y1 = m(x-x1)

y - 2 = 3(x-1)

y=3x-3+2

y=3x-1

Step-by-step explanation:

first you type down point slope formula

then you plug in the information you have point (1,2) 1 is x1 and 2 is y1 m is 3 because m = slope

then you have to distribute the 3 to the x and the -1 and then isolate y

(how to isolate the y) you must do the opposite of -2 which is +2 whatever you do on one side you have to do to the other

then you combine like terms 3x is alone and -3 +2 equals -1

there is your answer hope that works.

Answer:

d

Step-by-step explanation:

Answer:

Each smoothie was $4.5.

Step-by-step explanation:

We know that he has $50 to use, and after he used it he had $14 left. That means he used $36.

If you divide 36 by 8, you get 4.5

Hope this helped! :D

Answer:

1.88

Step-by-step explanation:

Answer:

6x + 7y +84

Step-by-step explanation:

The linear equation y = -(6/7) x + 12 in the standard form will be 6x + 7y - 84 = 0.

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation in standard form is given as,

ax + by + c = 0

Where -a/b is the slope of the line and c/b is the y-intercept of the line.

The linear equation in slope-intercept form is given below.

y = -(6/7)x + 12

Convert the equation into a standard form. Then we have

y = -(6/7)x + 12

y = (-6x + 84) / 7

7y = - 6x + 84

6x + 7y - 84 = 0

The linear equation y = -(6/7) x + 12 in the standard form will be 6x + 7y - 84 = 0.

More about the linear equation link is given below.

https://brainly.com/question/11897796

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Answer:

b) simplify the constant

c)isolate the variable by dividing the coefficient

Step-by-step explanation:

Answer:

6.75 miles

Step-by-step explanation:

First, you need to find the unit rate by dividing 27/2. This equals 13.5. Then, multiply this by 1/2 to get 6.75 miles.

Answer:

5

Step-by-step explanation:

[tex]\frac{-8--13}{-16--17} =\frac{5}{1}= 5[/tex]