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3 years ago

Please HELP !

Mathematics

2 answers:

vekshin13 years ago

5 0

Answer: 90 mph

Step-by-step explanation:

so if 60 miles in 40 minutes have of 40 is 20 and 40 +20 = 60

so half of 60 is 30. so therefore 90 miles is 60 mins.

anyanavicka [17]3 years ago

3 0

Answer:

to be honest i dont know but i think it is 2400

Step-by-step explanation:

you need to do miles x mins i think i dont knoe try ask your family members

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The midpoint of \overline{\text{AB}}

Schach [20]

Answer:

The coordinates of b are: B=(-7,-8)

Step-by-step explanation:

We are given the coordinates of the midpoint of $\overline{\text{AB}}$ as M=(-5,-2).

We are also given the coordinates of A=(-3,4). The question requires us to calculate the coordinates of the other endpoint B.

Let (xb,yb) the coordinates of B. The coordinates of the midpoint can be calculated as follows:

$\displaystyle x_m=\frac{x_a+x_b}{2}$

$\displaystyle y_m=\frac{y_a+y_b}{2}$

We know xa=-3 and xm=-5. Solve the first equation for xb:

$2x_m=x_a+x_b\Rightarrow x_b=2x_m-x_a$

Substituting:

$x_b=2\cdot (-5)-(-3)=-10+3$

$x_b=-7$

We can solve the second equation for xb and get:

$y_b=2y_m-y_a$

Since ya=4 and ym=-2, then:

$y_b=2\cdot (-2)-(4)=-4-4$

$y_b=-8$

Thus, the coordinates of b are: B=(-7,-8)

4 0

3 years ago

Which of the following represents the amount a customer pays including the tip of 15% if the bill was dollars? Select all that a

erastova [34]

Answer:

b+0.15b, 1.15b, b+ 15/100b

Step-by-step explanation:

i did the test and then it gave me the answer at he end ur welcome

5 0

2 years ago

The formula i = prt gives a simple interest \ earned on an account where the amount is p is deposited at an interest rate r for

jeyben [28]

In order to answer this we need the table, however to do this all you would do would be to multiply the p value in the table with the corresponding r value in the table and then multiply this by 5, then order them, smallest to greatest.

8 0

3 years ago

What is the distance between points P(7, -2) and Q(-5, -1)?

den301095 [7]

d=
d=
d=
d= 10.00 x1 y1 x2 y2
d=
7 3 13 11

8 0

3 years ago

Please I need ASAP. First one to answer will get Brainyist.

Rzqust [24]

Answer:

I'm just here for my points sorry bro

4 0

3 years ago

Read 2 more answers