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3 years ago

Convert 75 miles per hour to feet per minute.

Mathematics

2 answers:

ra1l [238]3 years ago

7 0

6600 Feet per minute

lesya [120]3 years ago

3 0

Answer: The correct option is

(D) 6600 ft/min.

Step-by-step explanation: We are given to convert 75 miles per hour to feet per minute.

We know that

1 mile = 5280 feet and 1 hour = 60 minutes.

Therefore, we get

$75~\textup{miles/hour}\\\\\\=\dfrac{75~\textup{miles}}{1~\textup{hour}}\\\\\\=\dfrac{75\times5280~\textup{feet}}{1\times60~\textup{minutes}}\\\\\\=75\times88~\textup{feet/min}\\\\=6600~\textup{feet/min}.$

Thus, 75 miles per hour is equal to 6600 feet per minute.

Option (D) is CORRECT.

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Add The Following Polynomials?

Mashcka [7]

(6x^3 + 4x-2) + (4x^2 + 3x^3 - 6)=
6x^3 + 4x-2 + 4x^2 + 3x^3 - 6=
9x^3+4x^2+4x-8

4 0

3 years ago

Find the lengths of the sides of the triangle PQR. P(4, 3, 4), Q(2, 1, 3), R(2, 7, 0) a. |PQ| = b. |QR| = c. |RP| =

Nat2105 [25]

Given :

Three points , P(4, 3, 4), Q(2, 1, 3), R(2, 7, 0) .

To Find :

The length of sides .

Given :

We know , length of two points P(x,y ,z) and Q(a,b,c) is given by :

$L=\sqrt{(x-a)^2+(y-b)^2+(z-c)^2}$

Length of PQ :

$PQ=\sqrt{(4-2)^2+(3-1)^2+(4-3)^2}\\\\PQ=\sqrt{4+4+1}=\sqrt{9}\\\\PQ=3$

Length of QR :

$QR=\sqrt{(2-2)^2+(1-7)^2+(3-0)^2}\\\\QR=\sqrt{0+6^2+3^2}\\\\QR=\sqrt{36+9}\\\\QR=\sqrt{45}\\\\QR=3\sqrt{5}$ :

Length of RP :

$RP=\sqrt{(2-4)^2+(7-3)^2+(0-4)^2}\\\\RP=\sqrt{2^2+4^2+4^2}\\\\RP=\sqrt{4+16+16}\\\\RP=\sqrt{36}\\\\RP=6$

Hence , this is the required solution .

4 0

3 years ago

Solve both equations and pls show work.. <br> I will mark brainliest

Alexxx [7]

Answer:

7. x = 4

8. x = 10

Step-by-step explanation:

7. The angles are equal to each other so you can do

40 = 12x - 8

48 = 12x

4 = x

8. The angles add up to be 180 degrees so you can combine them and set them equal to 180

6x + 12x = 180

18x = 180

x = 10

8 0

3 years ago

I need help fast please !!!

stiv31 [10]

6,9,46

I think that the answer

6 0

3 years ago

Find the zero of the following function f. Do not use a calculator. f (x )equals 1.5 x plus 3 (x minus 3 )plus 5.5 (x plus 7 )

Solnce55 [7]

Answer:

(-2.95,0)

x = -2.95 is the zero of the function.

Step-by-step explanation:

We are given the function:

$f(x) = 1.5x + 3(x-3) + 5.5(x+7)$

We have to find the zero of the function.

Zero of function:

It is the value where the function have a value zero.

$(a,0)$ such that $f(a) = 0$

We can find zero of the function in the following manner:

$f(x) = 1.5x + 3(x-3) + 5.5(x+7) = 0\\1.5x + 3x -9 + 5.5x + 38.5 = 0\\(1.5x + 3x + 5.5x) + (38.5-9) = 0\\10x + 29.5 = 0\\10x = -29.5\\x = -2.95$

Thus, x = -2.95 is the zero of the function.

6 0

3 years ago