I need help please and can you also explain how you got the answer
I will give the crown, no trolls, no links please

Answer:

[tex]g(f(5)) = 44[/tex]

Step-by-step explanation:

First, solve for [tex]f(5)[/tex]

[tex]f(5) = 5^2-6(5)-6 = -11\\[/tex]

Then, plug in what you got for [tex]f(5)[/tex] into [tex]g(x)[/tex].  Since [tex]f(5) = -11[/tex] you will be solving for [tex]g(-11)[/tex].

[tex]g(-11) = -3(-11) + 11 = 44[/tex]

the answer is 44.

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Step-by-step explanation:

your answer is in the photo attached

Answer:

The Area of the Shaded Region: C. (25π – 24) cm^2

Step-by-step explanation:

Just took the Unit Test on Edg (2020-2021)!!

Answer:

32

Step-by-step explanation:

I have first done the equationthen I tried to prove it down there that's why I have written 75% hope you'll understand.

Answer:

21) C it lies between 9 and 10 on a number line

Answer:

102cm^3

Step-by-step explanation:

v=l×w×h

10x6x7=420 cm^3

the volume of water+stone=

10×6×(7+1.7)

522cm^3

522-420= 102cm^3

The solution is: the volume of the stone is : 102cm^3.

In mathematics, volume is the space taken by an object. Volume is a measure of three-dimensional space. It is often quantified numerically using SI derived units or by various imperial or US customary units. The definition of length is interrelated with volume.

Here, we have,

Given that,

A right rectangular container is 6 cm wide and 10 cm long and contains water to a depth of 7cm. A stone is placed in the water and the water rises 1.7 cm.

We know that,

volume is :

v=l×w×h

so, we get,

10x6x7=420 cm^3

the volume of water+stone=

10×6×(7+1.7)

522cm^3

522-420= 102cm^3.

Hence, The solution is: the volume of the stone is : 102cm^3.

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Answer:

first collect the like terms so that you have -4x is equals to -2 - 26 then negative 4x is equals to -28 divided by -4x is equals to 7

Answer:

I suppose we want to find the side length of the square.

We know that:

The area of the square is 49cm^2

The distance between one of the vertices of the square and the middle of the square is:

BE = 4.95cm

Now let's remember some things.

For a square of side length L, the area is:

A = L^2

and the diagonal length is:

D = √(2)*L

In this case, we know that half of the diagonal is equal to:

BE = 4.95 cm

Then the diagonal is:

D = 2*BE = 2*4.95cm = 9.9cm

And for the diagonal formula, we have:

D =  9.9cm = √(2)*L

Then the side length is:

L = 9.9cm/√(2) = 7cm

And if we check the area of this square, is:

A = L^2 = (7cm)^2 = 49cm^2

So it checks.

Then we can conclude that the sidelength of the square is 7cm, which means that:

AB = 7cm

BC = 7cm

CD = 7cm

DA = 7cm

Answer:

Length of Radius of large circle= 8

Lenght radius of first circle= 2

Step-by-step explanation:

THIS IS THE COMPLETE QUESTION

The sum of the areas of two circles is 80π square meters. Find the length of a radius of each circle if one of them is twice as long as the other.

What is the radius of the larger circle?

Area of a circle can be calculated by Below formula

A = πr^2............eqn(1)

Let ( X) = area of first circle

Y= the area of second circle

Rx= radius of first circle

Ry = radius of second circle

From the question, we know that

[X+ Y] = 80π .......eqn(2)

Substitute the radius formula for the area,

[π(Rx)^2 + π (Ry)^2] = 80π ......eqn(3)

But from the question, Radius of second circle is twice of the second one, then

Ry = 2Rx ..........eqn(4)

If we substitute eqn (4) into eqn(3)

[ π(Rx)^2 + π (2Rx)^2 = 80π

If factorize π out, then cancel it out

π[(Rx)^2 + π (2Rx)^2 = 80π

Then we have

(Rx)^2 + 4(Rx)^2 = 80

5(Rx)^2 = 80

(Rx)^2= 80/5

(Rx)^2= 16

(Rx)= 4

From eqn(4)

Ry = 2Rx

Ry= 2(4)

Ry= 8

Rx= 2 and Ry= 8

Hence, radius of first circle= 2

Lenght Radius of second circle= 8

Answer:

0

Step-by-step explanation:

(4x-7)+(7-4x)

cancels each other

which makes it zero

Given pair of expression :

[tex] \longrightarrow \sf {(4x -7) \: and \: (7-4x) } [/tex]

Solution :

Firstly put the sign of addition (+) at the place of and.

[tex] \longrightarrow \sf {(4x -7) + (7-4x) } [/tex]

Now, remove the brackets.

[tex] \longrightarrow \sf {4x -7 + 7-4x } [/tex]

Group like terms. Here, 4x and -4x ; -7 and +7 are like terms.

[tex] \longrightarrow \sf {\cancel{4x -4x} \cancel{ -7 + 7}} [/tex]

[tex] \implies \sf \red {0 } [/tex]

So, the answer is 0.

Given:

Number of miles covered = [tex]2\dfrac{1}{2}[/tex]

Length of each lap = [tex]\dfrac{5}{6}[/tex] of a mile.

To find:

The number of laps.

Solution:

We know that,

[tex]\text{Number of laps}=\dfrac{\text{Number of miles covered}}{\text{Length of each lap}}[/tex]

[tex]\text{Number of laps}=\dfrac{2\dfrac{1}{2}}{\dfrac{5}{6}}[/tex]

[tex]\text{Number of laps}=\dfrac{\dfrac{5}{2}}{\dfrac{5}{6}}[/tex]

[tex]\text{Number of laps}=\dfrac{5}{2}\times \dfrac{6}{5}[/tex]

[tex]\text{Number of laps}=3[/tex]

Therefore, Grayson ran 3 laps.

Answer:

10.51

Always look to the right of the place you are rounding

so...

if you look at 10.507140429

the 0 after 5 is in the hundredths place

look to the right of 0 and you'll see a 7.

If the number to the right of the place you are supposed to round to is:

5 or greater - round up

less than 5  - round down

Hope this helped

9514 1404 393

Answer:

  No

Step-by-step explanation:

The graph is not a straight line with define slope, so does not represent a linear function.

__

The graph has segments that are straight lines. It is what we call "piecewise linear."

Answer:

14 possible outcomes

Step-by-step explanation:

It is given that :

There are 8 black cards numbered 1 through 8.

Therefore, Black 1, Black 2, Black 3, Black 4, Black 5, Black 6, Black 7, Black 8.

And there are 6 red cards numbered 1 through 6.

Therefore, Red 1, Red 2, Red 3, Red 4, Red 5, Red 6.

So the total number of cards is 8 + 6 = 14 cards.

So, there will be 14 possible outcomes if we choose a card randomly.

Answer:

6900741521

u cool

i guess

imma guy so...imma say u look 6/10

Step-by-step explanation:

Answer:

A) the value is less than 67

Step-by-step explanation:

Answer:

UZY

Step-by-step explanation:

Step-by-step explanation:

1. Angle 5 = 120 degree

Angle 5 = Angle 6 ( alternate exterior angles are equal )

Therfore, Angle 6 = 120 degree

Angle 6 = Angle 4 ( Vertically opposite angles are equal )

Therfore, Angle 4 = 120 degree

Angle 4 = 5x

120 = 5x

120/5 = x

40 = x

Therefore x = 40 degree.

2. Angle 1 = 100 degree

Angle 1 = Angle 7 ( vertically opposite angles are equal )

Therefore, Angle 7 = 100 degree

Angle 7 = 10x

100 = 10x

100/10 = x

10 = x

Therefore x = 10 degree

I want some more time for this question.

Answer:

what do you mean exactly, i really wanna help

Answer:

Third option : 9^10 / 9^2

Step-by-step explanation:

9^2 . 9^6

Formula / Identity : -

a^m . a^n = a^( m + n )

Here,

a = 9

m = 2

n = 6

9^2 . 9^6

= 9^( 2 + 6 )

=9^8

9^10 / 9^2

Formula / Identity : -

a^m / a^n = a^( m - n )

Here,

a = 9

m = 10

n = 2

9^10 / 9^2

= 9^( 10 - 2 )

= 9^8

Therefore,

9^10 / 9^2 is equivalent to 9^2 . 9^6.

Answer:

x = 32.6°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin x = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{7}{13}[/tex] , then

x = [tex]sin^{-1}[/tex] ([tex]\frac{7}{13}[/tex] ) ≈ 32.6° ( to the nearest tenth )

Answer:

x=-16

Step-by-step explanation:

from x=-3 to get to y=12 u need to multiply x=-3 by -4 to get to 12 so for y=64 u need to divide by -4 which equals x=-16

Answer:

x is (-16)

Hope it helps!!!

Answer:

82

Step-by-step explanation:

Add all the numbers up then divide by the amount of numbers (10)

Answer:

C. 82

Step-by-step explanation:

Mean is the average of the number set

So,

82 + 91 + 89 + 78 + 81 + 88 + 75 + 85 + 77 + 74 =

820

820 / 10 =

82

The value of the given expression of subtraction 0.75–0.5, in simplest fractional form is 1/4.

Use the concept of subtraction defined as:

Subtraction in mathematics means that is taking something away from a group or number of objects. When you subtract, what is left in the group becomes less.

The given expression is:

0.75–0.5

After removing the decimal it can be written as,

75/100 - 5/10

Now simplifying it, we get

(75-50)/100 = 25/100

Now convert 25/100 in their simplest form:

Since 25x4 = 100

Therefore,

25/100 = 1/4

Hence,

The simplest fractional value of 0.75–0.5 is 1/4.

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Answer:

do u have insta

Step-by-step explanation:

Answer:

The answer is 95/100 miles and simplified is 19/20 miles.

Step-by-step explanation:

Answer:

Step 2 has error and step 4 has error.

Step-by-step explanation:

Here we can see that elimination method is  applied to solve the  system  of equations  for which -2 is multiplied both sides of equation first

-2(x+2y)=-2(10 which is correct

but in step 2

left side is -2x-4y and the right side is -10 which has to be -20 which makes this step wrong and this is the error made by student.

in Step 4 also ,value of the y has to be 5 but student plugged y =1 which is also error by student.

Correct solution is

   -2x-4y= -20

     2x+ 5y= 15

on adding ,we get

y = -5

plugging y =5 in equation x+2y= 10 ,we get x+2(-5) =10 ,we get x = 20

therefore (20,-5) is the  solution

Answer:

step 2

Step-by-step explanation:

Answer: 55 Square inches

Step-by-step explanation:

You should find the area of the square and rectangle separately

To find the area you multiply length times width, so the area of the square is 4×4 which equals 16

Then you do the same to the rectangle, 13×3=39

To find the area of the whole figure you add the area of the two shapes together 16+39 which should give you 55