Can someone please help with this problem and explain. Please answer quickly, thx :) (picture included)

Answers

Answer 1

Answer: exponential laws
$(x^(m))^(n)=x^(mn)$
$x^{(m)/(n)}=\sqrt[n]{x^(m)}$

so
(m^(2/3))^(1/2)=m^(2/3 times 1/2)=m^(2/6)=m^(1/3)= $\sqrt[3]{m^(1)}$ = $\sqrt[3]{m}$

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You are traveling in a car at 60 miles per hour and are 400 miles away from your destination. Equation y = 400 - 60x is used to represent the distance from your destination after x hours. Identify the slope and the y intercept and explain what they mean.

Answers

Answer: slope = -60 , y - intercept = 400

Step-by-step explanation:

Given :

y = 400 - 60x

comparing with the equation of the line in slope - intercept form

y = mx + c , where m is the slope and c is the y - intercept

then ;

slope = -60

y - intercept = 400

(ii) The interpretation of the slope and the intercept.

Recall that speed = distance / time , that is

distance = speed x time.

it was given that the car is travelling 60 miles per hour , and the equation is used to model the distance from destination after x hours.

And you are 400 miles away from your destinations, this means that after x hours , you have traveled 60x miles , to know how far you are to your destination , the distance covered after x hours will be subtracted from how far you are away from your destination , that is

400 - 60 x.

The means that the y in the equation represent how far you will be to your destination after x hours.

Find the area pls pls pls

Answers

First spilt the shape into two smaller shapes to get a rectangle and a parallelogram use the area of a rectangle formula to get an area of 15 units for the rectangle and the use the parallelogram formula to get 15 units the. Add the area of both shapes to get 30 units

Use words to explain the relationship between the digit 9 in 79,401 and the digit 9 in 85,916

Answers

The 9 in 79,401 is in the thousands place, while the digit 9 in 85,916 is in the hundreds place. Hope this helped!

Please don't forget to choose which answer is the Brainliest!

The 9 in 79,401 is in the thousandths place.
The 9 in 85,916 is in the hundredths place.

HOPE THIS HELPED
:)

John built and drew a structure that has a volume of s cubic centimeters. His little brother tells him he made a mistake because he only drew 4 cubes. Help John explain to his brother why his drawing is accurate.

Answers

it is accurate because he cannot see the 5th cube, it is under the top cube and covered by the rest

The cube on top of the other 4 will not be able to stand without a base.

I need help on 14 please

Answers

2+x=50

That is what I would do. I hope this helps!

2+x=50 hope that helps

In a water treatment plant, water passes through a cone-shaped filter with a height of 4 m and a diameter of 9 m. The water flows from the filter into a cylinder below it. One full cone-shaped filter fills one-fifth of the cylinder.What are the dimensions of the cylinder? Use 3.14 to approximate pi.

A.
h = 3 m; r = 3 m

B.
h = 4.23 m; r = 5 m

C.
h = 15 m; r = 6 m

D.
h = 33.75 m; r = 2 m

Answers

so volume of a cone=1/3 times (area of base) times height

area of base=circle so
1/3 times pi times radius^2 times height

height=4
diameter=2radius
diameter/2=radius
9/2=4.5=radius

height=4
radius=4.5
aprox pi at 3.14
1/3 times (3.14 times 4.5^2) times 4=84.78
that's the volume of the cone

volume of cone=1/5 of cylinder

84.78=1/5cylinder
multiply both sdies by 5
423.9=volume of cylinder

volume of cylinder=height times area of base
area of base=3.14 times r^2
v=h3.14r^2
423.9=3.14hr^2
divide both sdies by 3.14
135=hr^2
sincewe are not given the specific ratio of height to radius or such to thecone to the cylinder, we must use trial and error to elimninate wrongchoices

135=hr^2
let's try A

A
135=3(3^3)
135=3(9)
135=27
false
A is wrong

B
4.23=h 5=r
135=4.23 times 5^2
135=4.23 times 25
135=105.75
false
B is wrong

C
h=15 r=6
135=15 times 6^2
135=15 times 36
135=540
false
C is wrong

D
33.75=h 2=r
135=33.75 times 2^2
135=33.75 times 4
135=135

the answer is D since it fitst the dimentions

$(9/2*9/2*4* \pi )/(3)$
= $(81*3.14 )/(3)$
=27*3.14 (the cone's v)
so multiply 5 to the v = 135*3.14 (cylinder's v)
A:3*3*3*3.14=27*3.14 X
B:5*5*4.23*3.14=105.75*3.14 X
C:6*6*15*3.14=540*3.14 X
D:2*2*33.75*3.14=135*3.14 O
Answer: is .....D
:)

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