I NEED HELP WITH NUMBER 7 I WILL GIVE BRAINLIEST HELP ME

Answer:

Is 8/15

Step-by-step explanation:

Tell me if I'm wrong or not.

Answer:

B

Step-by-step explanation:

To evaluate g(7) substitute x = 7 into g(x) , that is

g(7) = [tex]\frac{7}{8}[/tex] × 7 - [tex]\frac{1}{2}[/tex]

      = [tex]\frac{49}{8}[/tex] - [tex]\frac{4}{8}[/tex]

      = [tex]\frac{45}{8}[/tex] → B

Answer:

-2,0

Step-by-step explanation:

2 is the line of reflection so, you count to it 4-2 is 2, so you go under the line of reflection 2 times which would get you to -2,0 I would've had a more confident answer if I seen the choices to choose from but it's good.

Answer:

1) 20/45= 4/9=4:9

2) 3:8:5

3) 10:7

Answer:

#5 - C

#7 - A

Step-by-step explanation:

If two items are similar, it means that the angles and figure itself have not changed, just the size. The two objects are prototional to each other.

In order to find the length of one side, we have to find what the size difference is, if that makes sense. We have to figure out the number that the smaller size is multiplied by in order to get the bigger number (or the other way around).

#5:

Side LK and side DE are preportional. We can divide 35 by 10 to figure out the proportion size. 35/10=3.5. Then we can take that and use it to find the other side. MK and FD are proportional. We can now take 22 and multiply it by 3.5 to get the new side length. 22x3.5=77

#7:

Same thing. 12/8=1.5, which is the proportional size change. We can now take the already exisiting number and multiply it. 5x1.5=7.5

Answer:

C.

Step-by-step explanation:

Answer:

Step-by-step explanation:

The answer is c 16/100

Answer:

C.)  3.6 + (6 - 4)

Step-by-step explanation:

Answer:

6.71

Step-by-step explanation:

Pythagorean theorem

a^2+b^2=c^2

6^2+3^2=c^2

36+9=c^2

45=c^2

6.71=c

Answer: I believe the answer is 88

~i hope that is answered your question correctly, have a gr8 day/night my friend!~

Step-by-step explanation:

Answer:

Yeah the answer would be 288

Step-by-step explanation:

A number that is .5 or up you always round up.

Answer:

the period is the to top points of the highest points on top of the crests

The period of function is,

P = 5

Since, In order to find the period of a graph in general, first, find the period of the parent function, and divide that by the absolute value of the coefficient of the independent variable.

Here, Graph of function is shown.

Hence, The period of function is,

P = 10/2

P = 5

Because there is two wave are shown.

Therefore, The period of function is,

P = 5

Learn more about the function visit:

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Answer:

$120.29

Step-by-step explanation:

first you add the normal prices of what sally bought, then add 6.5% of the price she paid.

22.5(2) + 55 + 12.95 = 112.95

6.5          x

-----  =    -----

100     112.95

6.5(112.95)  = 100x

734.175/100 = 100x/100

7.35 ≅ x

112.95 + 7.35 = 120.30

I think that's it! Let me know if it is! If so, please maybe consider giving me Brainliest! It would really help me out!

Answer:

D igjdghhhgghgjgyigtyytttttrttuu

Answer:

C y = 4x - 12

Step-by-step explanation:

(1,-8) means x=1, y=-8

(4,4) means x=4, y=4

so, for which of the offered equations are both pairs right ?

a -8 = 4x1 + 12 = 16 wrong already for the first pair

b -8 = -4x1 - 12 = -16 wrong already for the first pair

c -8 = 4x1 - 12 = -8 hey, right !

4 = 4x4 - 12 = 16 - 12 = 4. hey, right

d -8 = -4x4 + 12 = -16 + 12 = -4. wrong already for the first pair

so, C describes an equation that covers both points. it is a linear function (no squares or so), and so it is a line function passing through both points.

Answer:

5 - 2 x 9 + 9^2 divided by 3

5 - 2 x 9 + 81 divided by 3

5 - 18 + 81 divided by 3

5 - 18 + 27

-13  + 27

14

Using PEMDAS:

Parenthesis First

Exponents

Divide or Multiply

Add or subtract

Answer:

y = 6x^2 + 48x + 72.

Step-by-step explanation:

y = 6(x + 2)(x + 6)

y = 6(x^2 + 6x + 2x + 12)

y = 6(x^2 + 8x + 12)

y = 6x^2 + 48x + 72.

Answer:

see explanation

Step-by-step explanation:

6(x²+6x+2x+12)

6(x²+8x+12)

6x²+48x+72

Answer:

470

Step-by-step explanation:

there are several surface areas.

1. the 4 side walls of the big block = 4*12*7 = 336

2. top and bottom of the big block = 2* 7*7 = 98

3. subtract the small rectangular area from the top area covered by the small block = 2*7 = 14

4. the 3 (visible) side walls of the small block on top =

3* 2*7 = 42

5. the small top and bottom areas of the small block =

2* 2*2 = 8

so, 1.+2.-3.+4.+5. = 470

Answer: Hello your question is incomplete below is the complete question

In a large school district, 16 of 85 randomly selected high school seniors play a varsity sport. in the same district, 19 of 67 randomly selected high school juniors play a varsity sport. a 95 percent confidence interval for the difference between the proportion of high school seniors who play a varsity sport in the school district and high school juniors who play a varsity sport in the school district is to be calculated. What is the standard error of the difference

answer : 0.0695

Step-by-step explanation:

First step : Determine the sample proportions

For P1 = 16 / 85 = 0.188

For P2 = 19 / 67 = 0.284

Next determine the Standard error of the difference using the relation below

Standard Error = [tex]\sqrt{\frac{p1(1 - p1)}{n1} + \frac{p2(1-p2)}{n2} }[/tex]  ------- ( 1 )

where : P1 = 0.188

             P2 = 0.284

             n1 = 85 high school seniors

             n2 = 67  high school juniors

Input values into equation 1

Standard error of the difference = 0.0695

Answer:

A=lw+l(w

2)2+h2+w(l

2)2+h2Step-by-step explanation:

Answer:

40

Step-by-step explanation:

well I need the 3rd number but right now the answer is 40

10. 1

11. 0

12. 0

13. 0

14. 1

15. 2

16. 1

17. 3

18. 1

19. 0

20. 1

Answer:30*20

Step-by-step explanation:

Part 1

Other answers are possible.

-------------

Explanation:

The old width was 5, but then it increases to x+5. The old length was 10, but now it's x+10.

The area of any rectangle is length times width.

So the area of the larger rectangle is (x+5)(x+10). Subtract off the old area of 5*10 = 50 and we get (x+5)(x+10) - 50 as the area of the L shape. Set this equal to 126 to finish setting up the equation. This is one possible answer out of many others. This is because we could expand out the (x+5)(x+10) into x^2+10x+5x+50 or simplify that to x^2+15x+50, as two possible options.

==========================================================

Part 2

-------------

Explanation:

Solve the equation we set up in the previous part

(x+5)(x+10) - 50 = 126

x^2+10x+5x+50-50 = 126

x^2+15x = 126

x^2+15x-126 = 0

Apply the quadratic formula from here

[tex]x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x = \frac{-(15)\pm\sqrt{(15)^2-4(1)(-126)}}{2(1)}\\\\x = \frac{-15\pm\sqrt{729}}{2}\\\\x = \frac{-15\pm27}{2}\\\\x = \frac{-15+27}{2} \ \text{ or } \ x = \frac{-15-27}{2}\\\\x = \frac{12}{2} \ \text{ or } \ x = \frac{-42}{2}\\\\x = 6 \ \text{ or } \ x = -21\\\\[/tex]

Another method you could use is factoring, so you could say:

x^2+15x-126 = 0

(x-6)(x+21) = 0

x-6 = 0 or x+21 = 0

x = 6 or x = -21

The issue with this is that it may take a while to do this trial and error approach.

Whichever method you used, you'll end up with two solutions. One of those solutions doesn't make sense though. We can't have a negative length or distance value, so we ignore x = -21.

The only practical solution is x = 6

If x = 6, then the old height goes from 5 to x+5 = 6+5 = 11

If x = 6, then the old length goes from 10 to x+10 = 6+10 = 16

The new larger rectangle is 11*16 = 176 sq ft, in which we subtract off the 50 sq ft to get 176-50 = 126 sq ft, and this matches with the 126 given to us. Therefore, the answer is confirmed.

Answer:

2a.) 8 times on blue. 2b.) 18 times on red. 2c. ) 4 times on green.

Step-by-step explanation) the answer for 8 times on blue. is yes The answer for 18 times on red. Is yes. The answer for 4 times on green. Is no

Could you please express this question better, I don't seem to understand the objective.

Answer:

So the prime factorization of 60 is 2 × 2 × 3 × 5, which can be written as 2 2 × 3 × 5. The actual prime factors of 60 are 2, 3, and 5.

Answer:

The Prime Factorization is:

2 x 2 x 3 x 5

In Exponential Form:

2^2 x 3^1 x 5^1

Answer:

mark -7 on the line then draw a line to the left of it

Answer:

17.99

Step-by-step explanation:

Trig Ratios:

Sin = Opposite over Hypotenuse

Cos = Adjacent over Hypotenuse

Tan = Opposite over Tangent

We can use trig ratio sine as we are given an angle ( 40° )and the hypotenuse (28) and we need to find its opposite side (w)

Recall that sin = opposite over hypotenuse

That being said we want to create an equation to solve for w

[tex]sin(40)=\frac{w}{28}[/tex]

Now we solve for w

Step 1 multiply each side by 28

[tex]\frac{w}{28} *28=w\\sin(40)*28=28sin(20) = 17.99[/tex]

we're left with w = 17.99

Answer: 184.00

Step-by-step explanation: you have to see how many times are there 3 months in one year you divide 12 divided by 3 which equals 4 and 46 times 4

Answer: $184,00

Step-by-step explanation

The solutions of the nonlinear system of equations are the points (x₁, y₁) = (- 2, 10) and (x₂, y₂) = (3, 5).

We find in this place a non-linear system formed by a quadratic equation and a linear equation, which can be solved by algebra properties. The complete procedure is shown below:

y = 2 · x² - 3 · x - 4     (1)

y + x = 8                     (2)

By (2) in (1):

2 · x² - 3 · x - 4 + x = 8

2 · x² - 2 · x - 12 = 0

2 · (x² - x - 6) = 0

2 · (x - 3) · (x + 2) = 0

x = 3 ∨ x = - 2

y = 8 - 3 ∨ y = 8 - (- 2)

y = 5 ∨ y = 10

The solutions of the nonlinear system of equations are the points (x₁, y₁) = (- 2, 10) and (x₂, y₂) = (3, 5).

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Answer:

d)848

Step-by-step explanation:

Em virtude do atraso, Mônica teve de pagar 100% + 6% = 106% da mensalidade do seu filho.

Coeficiente:

O coeficiente de 106% é 106%/100% = 1.06, ou seja, para encotrarmos 106% de um valor, multiplica-se este valor por 1.06.

Se a mensalidade era de 800 reais, o valor total pago, com acréscimo da multa foi:

106% de 800, então:

1.06*800 = 848.

A resposta correta é dada pela alternativa d.