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\sqrt(x^(2)-14x+49)=x-7

Answer:

19

Step-by-step explanation:

1. Both angles would probably add up to 180 degrees.

2. So rewrite this as an equation. (2x + 3) + (9x - 32) = 180

3. Add up like terms like 2x and 9x which would be 11x

4. Rewrite equation again for less confusion. 11x + 3 - 32 = 180

5. Combine like terms again. Like terms this time are 3 and 32

6. 3 - 32 which would be negative 29

7. Rewrite equation again for less confusion. 11x - 29 = 180

8. Add 29 to both sides of equation meaning add 29 to 180.

9. You're left with 11x = 209

10. Divide 209 by 11

11. Lastly you get 19.

I hope this helped and that it's right!

Answer:

D

Step-by-step explanation:

We want to find the distance between (-6, 4) and (-8, 6).

We can use the distance formula given by:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2[/tex]

Let (-6, 4) be (x₁, y₁) and let (-8, 6) be (x₂, y₂).

Substitute:

[tex]d=\sqrt{(-8-(-6))^2+(6-4)^2[/tex]

Evaluate:

[tex]d=\sqrt{(-2)^2+(2)^2[/tex]

Evaluate:

[tex]d=\sqrt{4+4}=\sqrt{8}[/tex]

Hence, our answer is D.

Answer:

B,D

Step-by-step explanation:

waiting for brainlist

Answer:

The correct answer here is B.

Step-by-step explanation:

Took the test

Answer:

A)y=x²-11x+24

Step-by-step explanation:

Step-by-step explanation:

f(x) = 3x - 4

g(x) = x + 2

(f + g) = f(x) + g(x)

         = 3x - 4 + x + 2

         = 4x - 2

Domain: All real numbers

(f - g) = f(x) - g(x)

        = 3x - 4 - (x + 2)

        = 3x -4 -x -2

        = 2x -6

Domain: All real numbers

(fg) = f(x) * g(x)

     = (3x - 4)(x + 2)

     = 3x^2 + 6x -4x -8

     = 3x^ 2 + 2x - 8

Domain: All real numbers

Answer:

1/3

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(6-2)/(7-(-5))

m=4/(7+5)

m=4/12

simplify

m=1/3

Answer: no

Step-by-step explanation: if the y values are the same they are not functions. :) (ps, x values can be the same in a function!)

Answer:

no :)

Step-by-step explanation:

because (2,23) and (3,23) have the same y function

hope this helps!

Answer:

The correct answer is B!

Step-by-step explanation:

I hope it helps you Sir (or ma'am.)

Answer:

38%

Step-by-step explanation:

[tex]\frac{Part}{Whole}[/tex] × 100%

500 - 310 = 190

[tex]\frac{190}{500}[/tex] × 100% = 38%

Answer:

Length, l = 10 m, breadth = 8 m

Step-by-step explanation:

Let l be the length and b be the width of the rectangle.

The area of a rectangle is given by :

A = lb

80 = lb ...(1)

The perimeter of a rectangle is given by :

P = 2(l+b)

36 = 2(l+b)

18 = (l+b) ....(2)

We need to solve equation (1) and (2). On solving we get :

l = 10, b = 8

So, the dimensions of the shop is 10 m and 8 m.

Answer:

y=-3x-1

Step-by-step explanation:

Slope-intercept format:

y = mx+b

m = slope

b = y-intercept

Now we plug it in to get the equation:

y=-3x-1

I hope this helped!

Sincerely,

Rekifromsk8theinfinity

:D

Answer:

what are the numbers..?

Step-by-step explanation:

Answer:

x

=

0, 1/3

x=x^3-x/2-9

Step-by-step explanation:

Answer:

simplify

Step-by-step explanation:

20x-10+6x+4

20x+6x

26x-14

also**

Download the app MathPapa, it really helps me and you can simplify equations.

Answer: no they are not

Step-by-step explanation:

Answer:

no

Step-by-step explanation:

KM=11-7=4

if parallel, KM/KJ=LN/LJ

substituting:

4/11 is not equal to 3/8

Answer:

-54 an

Step-by-step explanation:

Answer:

I'm guessing when it says "over the y-axis", it means to reflect it over the y-axis.

In that case, you would graph the points of the triangle, then flip them over the y-axis (change the x-values).

ex. R(-5,3)-R`(5,3)

Answer:

minecraft

Step-by-step explanation:

okay I agree with this question

Answer:

thx for the free points

Step-by-step explanation:

have a good day

Answer: LA Galaxy has won 24 of their soccer matches.

Step-by-step explanation:

To find 60% of 40, you can multiply 60/100 by 40.

60/100 x 40 = 24.

In conclusion, LA Galaxy has won 24 of their soccer matches.

Answer: £60

Step-by-step explanation:

Natalie bought a pair of shoes for £54 which had been reduced by 10%.

To find the original cost, assume the original cost is x.

The discount would be: 10% * x

The expression would therefore be:

x - (10% * x) = 54

x - 0.1x = 54

0.9x = 54

x = 54 / 0.9

x = £60

Answer:

84 ounces

Step-by-step explanation:

5 pounds in ounces is 80 plus the 4 ounces is 84

hope this helps

pls mark brainliest

Answer:

84 ounces

Step-by-step explanation:

16 ounces per pound

16 x 5 = 80

80 + 4 = 84

Answer:

square root of 75, using Pythagorean theorem.

Step-by-step explanation:

Answer and explanation:

The connection of the rope from the stake to the pole will form a triangle so that one side is the hypotenuse(the rope), another is the opposite side(the pole) and the other is the adjacent side(the distance from the stake to the pole).

The unknown side is the adjacent side which is the distance from the stake to the pole. To find an unknown side in a triangle in this form, we use the Pythagorean theorem.

Therefore c²=a²+b²

c=20ft

a= 7ft

b= unknown

So we use the formula to find unknown side(distance from stake to base of pole)

20²=7²+b²

400=49+b²

b²=400-49

b²= 351

b=√351

b= 18.735ft

Therefore distance from stake to base of pole = 18.735 feet

Answer:

6 hours

Step-by-step explanation:

Ella takes 1 3/5 hours to complete a painting. Holly takes 3/4 of the time that Ella takes. How long will Holly take to complete 5 paintings?

Ella =1 3/5 hours = 8/5 hours

Holly = 3/4 of 8/5 hours

= 3/4 × 8/5

= (3*8)/(4*5)

= 24/20

= 6/5 hours

Number of hours : number of painting = 6/5 hours : 1 painting

How long will Holly take to complete 5 paintings

Let x = number of hours

Number of hours : number of painting = x hours : 5 painting

6/5 hours : 1 painting = x hours : 5 painting

6/5 ÷ 1 = x ÷ 5

6/5 × 1/1 = x / 5

6/5 = x / 5

Cross product

6 * 5 = 5 * x

30 = 5x

x = 30/5

x = 6 hours

It will take Holly 6 hours to complete 5 paintings

Answer:

6 squared

Step-by-step explanation:

Answer:

B) 3(7x + 2)

Step-by-step explanation:

6x is 6x and x is 1x but you don't usually put the 1 infront of the x.

Answer:

0.06

Step-by-step explanation:

Answer:

32

Step-by-step explanation:

Suppose Alvin is x years old. Then Elga is x+15 years old.

x+x+15=49

2x=34

x=17

17+15=32

Answer:

Well, there are 12 inches ina foot so let's multiply 56 by 12. Now, divide 672 by 8: 672/8 = 84 So, we have 84 which means that if we multiply 84 by 2.5 it should equal however many inches there are in 21, if it is to be a true scale model. It is not equal, so no, it is not a true scale model.

Step-by-step explanation:

HOPE THIS HELPS!!!

BRAINLIEST PLZ???

Answer:

It is not equal, so no, it is not a true scale model.

Step-by-step explanation:

Well, we need to find the ratio of it and see if both measurements of the 'scale' model are the same. But before we do, take in mind we can't divide 56/8 because 56 needs to be converted into inches.

56 • 12 = 672

divide 672 by 8:

672/8 = 84

So, we have 84 which means that if we multiply 84 by 2.5 it should equal however many inches there are in 21, if it is to be a true scale model

21 • 12 = 252

2.5 • 84 = 210

It is not equal, so no, it is not a true scale model.

Answer:

56

42

35

Step-by-step explanation: