Which equation represents the unit fraction shown in the diagram?

A grid model with 100 squares. 20 squares are shaded.
StartFraction 20 Over 100 EndFraction = one-fifth
StartFraction 20 Over 100 EndFraction = two-fifths
StartFraction 20 Over 100 EndFraction = one-half
StartFraction 20 Over 100 EndFraction = StartFraction 1 Over 10 EndFraction

Answer:

i think C b/c it don't have an arrow going left or right

Step-by-step explanation:

brainliest?

Answer:

C.

Step-by-step explanation:

All of them are rays of a number line but C just shows a point on the line.

Hope that helps and have a great day!

Answer:

B

Step-by-step explanation:

susuusjakaajjajajajaajajaj

Answer:

It's A

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

The pattern is adding 130, or multiply the servings by 130.

so if 3x=390, you would divide both sides by 3 and get 130.

This means that x=130

Now plug in 4x=?

You would get 4*130=?

if you do the math through multiplication you would get 520

Answer:

B

Step-by-step explanation:

I got the unit test right on edg 2020

[tex]f(x) = \frac{10}{9}x + 11 \\ [/tex]

So :

[tex]y = \frac{10}{9}x + 11 \\ [/tex]

Subtract the sides of the equation minus 11

[tex]y - 11 = \frac{10}{9}x \\ [/tex]

Multiply the sides of the equation by 9

[tex]9(y - 11) = 10x[/tex]

[tex]9y - 99 = 10x[/tex]

Divided the sides of the equation by 10

[tex] \frac{9y - 99}{10} = x \\ [/tex]

So :

[tex] {f}^{ - 1}(x) = \frac{9x - 99}{10} \\ [/tex]

_________________________________

And we're done.

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Answer:

-9 ≤ x

Step-by-step explanation:

Thsi is probably right

Answer:

C.

Step-by-step explanation:

I answerd this on Edgenuity and got it right.

Answer:

Its C..

Step-by-step explanation:

I just took the test on edge.

Hope this helps

Answer:

D - cos(157)

Step-by-step explanation:

Cos sum angle identity

cos(A+B) = cosAcosB - sinAsinB

103+54=157

The correct answer to the question is Cos 157

There are two ways to solve this question:

Evaluate: Cos103Cos54 – Sine103Sine54

This can be obtained as follow:

Cos103Cos54 – Sine103Sine54

= –0.1322 – 0.7883

Next, we shall evaluate each option given in the question to see which will be equivalent to –0.9205. This is illustrated below:

Sine 49 = 0.7547

Cos 49 = 0.6561

Sine 157 = 0.3907

From the above evaluation, we can see that Cos 157 is equivalent to Cos103Cos54 – Sine103Sine54

Thus, Cos 157 is the correct answer to the question.

Again, we can apply the addition formula from trigonometry.

Cos (A – B) = CosACosB + SineASineB

Cos (A + B) = CosACosB – SineASineB

Sine (A + B) = SineACosB + SineBCosA

Sine (A – B) = SineACosB – SineBCosA

Comparing

Cos103Cos54 – Sine103Sine54 with the formula given above, it is very clear that:

Cos103Cos54 – Sine103Sine54 = Cos 157

Cos103Cos54 – Sine103Sine54 = –0.9205

Therefore, Cos 157 remains the correct answer to the question.

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Answer:

Volume of the box is 448 cm^3.

Step-by-step explanation:

It is given that a box is to hold 448 cm^3.

Mathematically we could say , the volume of the box is 448 cubic centimeters.

Answer:

[tex]11x^{2} +2x-1[/tex]

Step-by-step explanation:

Combine Like Terms:

[tex]7x2+5x+-3+4x2+-3x+2[/tex]

[tex](7x^{2} +4x^{2} )+(5x+-3x)+(-3+2)[/tex]

[tex]11x^{2} +2x-1[/tex]

Answer:

-13

Step-by-step explanation:

-25-(-12)

Answer:

the answer is 25

Step-by-step explanation:

Answer:

i think the answer is C

Step-by-step explanation: Because if it has a subtract sign you move decimals to the left.

Answer:

Greater than 8 because you are multiplying by a number greater than 1.

Step-by-step explanation:

When 8 is multiple by another number, say x, the product is;

I) less than 8 if x<1

ii) equal to 8 if x=1

iii) greater than 8 if x> 1

Since 213 is greater than 1,then the product of 8 × 2 1 3 is greater than 8.

Answer:

Step-by-step explanation:

Correct steps to find the value of 'a' should be,

Braulio's synthetic division should be,

-1  |     1       5         a          -3           11

               -1        -4        (4 - a)     (a - 1)  

         1      4     (a - 4)     (1 - a)     (a + 10)

Here remainder is (a + 10).

So (a + 10) = 17 ⇒ a = 7

Braulio Incorrectly found a value of 'a' because he should have used (-1) instead of 1.

Zahra's calculation by remainder theorem should be,

p(x) = x⁴ + 5x³ + ax² - 3x + 11

p(-1) = (-1)⁴ + 5(-1)³ + a(-1)² - 3(-1) + 11

      = 1 - 5 + a + 3 + 11

      = (a + 10)

Since, remainder of the solution is 17,

(a + 10) = 17 ⇒ a = 7

Zahra incorrectly found the value of 'a' because she incorrectly solved the powers to (-1).

Answer: incorrectly, should have used -1 instead of 1

incorrectly, incorrectly applied the powers to -1

Step-by-step explanation:

Answer:

0.5

Step-by-step explanation:

Answer:

s² - 225 = 0

Step-by-step explanation:

Area of square = side  * side

s * s = 225

s² = 225

s² - 225 = 0

Answer:

28a20b24

Step-by-step explanation:

(7a5b6)4

= (7a*4)(5b*4)(6*4)

= 28a20b24

Answer: False

Step-by-step explanation:

Hope this helps

Answer:

b i think

Step-by-step explanation:

Answer:

The value of x is 7

Step-by-step explanation:

M, N and P are collinear means they lie on the same line.

Mathematically;

MP = MN + NP

Thus;

6x-22 = 3x -9 + x + 1

6x-22 = 4x -8

6x -4x = -8 + 22

2x = 14

x = 14/2

x = 7

Answer:

-30

Step-by-step explanation:

Original Equation:

x - 3y

Plug in the values.

6 - 36

-30

Hope I helped :)

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Answer:

The side lengths of the triangle are 14, 16, and 18.

Step-by-step explanation:

(x) + (x + 2) + (x + 4) = 48

3x + 6 = 48

3x = 42

x = 14

(14) = 14

(14 + 2) = 16

(14 + 4) = 18

The required lengths of side of triangle are 14 in, 16 in and 18 in.

A triangle is a geometric figure with three edges, three angles and three vertices. It is a basic figure in geometry.

The sum of the angles of a triangle is always 180°

Given that,

Sides of a triangle are consecutive integers.

Also given that,

Perimeter of triangle is 48.

Let the sides of triangle are x, x+2 and x +4.

x + x + 2 + x + 4 = 48

3x = 48 - 6

3x = 42

x = 14

The length of the triangles  

x + 2 = 14 + 2 = 16

x + 4 = 14 + 4 = 18

The side lengths of the triangle are 14, 16 and 18.

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Answer:

= 3/ 2

Step-by-step explanation:

Answer

5.25

Step-by-step explanation:

hint: anytime you see a - before (  and its not like (for example) -2 then you put a 1 like this -1(

2-1(4x+8)= -12

2-4x+7= -12

(combine like terms [2 and 7 in this case] )

9-4x= -12

(subtract 9)

-4x = -21

(divide by -4)

x=5.25

Hope this helps!

Answer: Calculating the Actual Distance using the Scale

Step-by-step explanation: If the scale is 1 : x, then multiply the map distance by x to calculate the actual distance.