Mathematics High School

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Answers

Answer 1

Answer:

-2x-6

Step-by-step explanation:

Distribute -2x -2(3) = -2x-6

Related Questions

Please asap, ill give brainliest..

Answers

Answer:

50 meters

Step-by-step explanation:

Answer:

50 meters

Step-by-step explanation:

The graph shows an intersection at (10, 50) --> 50 meters in 10 seconds

I need help with this somebody please help!!

Answers

Answer:

answer is:

Circum: 25.13274 cm^2

Area: 50.26548 cm^2

Step-by-step explanation for the CIRCUMFERNCE ONLY:

Original equation for the circumference of a circle:

C=2(pi)r

We will use 3.14 as pi

We know that the diameter of a circle is 2 times the radius, so in order to find the radius all we have to do is divide the diameter by 2.

8/2 = 4

So now we know what the radius is equal to.

So now just plug in your numbers to the original equation

2 X (3.14) X 4

25.13274

If we were to round up the answer would be

25.13

Hope this helps!

Help needed!! Asap. Thank you!

Answers

Answer:

40.5 square feet

Step-by-step explanation:

The formula for finding the area of a rhombus is (diagonal 1 x diagonal 2)/2. Since you're given the side of the rhombus, you can use the 45:45:90 degree triangle rule where the measure of the sides is 1:1:[tex]\sqrt{2}[/tex] to find the diagonals (both equal 9 feet).

9x9/2 = 81/2 = 40.5 [tex]ft^{2}[/tex]

Hope this helps!

Answer:

162 ft²

Step-by-step explanation:

13. Marco's height is 63 inches. Marco's height is 3 inches less than 1.5 times Jennifer's height.

Answers

Answer:

Jennifer is 90 inches tall

Step-by-step explanation:

Answer:

Step-by-step explanation:

1.5x-3=63

solve for x to get 44

Someone help me with this please I will give brainliest

Answers

Answer:

Step-by-step explanation:

10 kilograms = 22 pounds

23 kilograms = ? pounds

so for this you would need to cross multiply:

(22 * 23) = 506

(10 * x ) = 10x

--> 506 = 10x

Next step is to isolate the varible (x), to do that you need to divide by 10.

x = 506/10 = 50.6

50.6lbs is more than 50lbs so no it can't get checked out

Find the perimeter of the triangle below

Answers

Answer: Perimeter 210

Exclamation: I’m pretty sure you just have to multiply all the sides together
Hope this helps :3

incorrect actually, you add them together so it is 18

Put the following equation of a line into slope-intercept form, simplifying all fractions. 3x + y = 3

Answers

Answer:

y = - 3x + 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c

Given

3x + y = 3 ( subtract 3x from both sides )

y = - 3x + 3 ← in slope- intercept form

Answer:

y=-3x+3

Step-by-step explanation:

3x+y=3

y=3-3x

y=-3x+3

how to solve:

log8(28k-20)+15=18

Answers

Answer:

k=0.832926

Step-by-step explanation:

Max puts a stopper in the bathtub and turns on the faucet at t = 0.
After 5 minutes, there are 11 gallons of water in the tub and after 10 minutes, there are 22 gallons in the tub.
Write an equation that relates the number of gallons, g, to the time, t.
Does the relationship represent a linear function 2 Justify your response

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Answer:

Step-by-step explanation:

Answer:

22 and 500 and 23

Step-by-step explanation:

Which graph shows a linear function?

Answers

Answer:

There is no graph but the graph that would have a straight line

Answer:

Whichever line is straight and does not have x repeat itself is considered linear.

Step-by-step explanation:

A linear function can be shown by using the equation y=mx+b, in which m is the slope and b is the y-intercept. A linear function must be able to follow this formula in order to be considered linear. An exponential equation, quadratic equation, or other equation will not work.

Chances are, if the line is straight and the points plotted can be connected within a straight line and not overlap, they are a linear function.

[A function being an equation in which x does not repeat itself, therefore a vertical line up and down is not considered a linear function, however, a horizontal line is.]

Just give me the answer. Don’t need explanation... Write an equation of a cosine function with amplitude 3, a period of π, a phase shift of π/4 to the left, and translated 1 unit up.

Answers

this can be used y=3x+28y(20^2)

PLEASE HELP IM CONFUSED. Is this relation a function? Justify your answer.
A. Yes, because every x-value corresponds with a single y-value.

B. Yes, because every x- and y-value is positive.

C. Yes, because the number of x values is the same as the number of y-values.

D. No, because two points with the same y-value have different x-values.

Answers

Answer:

Step-by-step explanation:

i took algebra and i know.

Can someone help me with this geometry question ty

Answers

Answer:

rectangle

Step-by-step explanation:

An employee sells ten tablets for $149.99 each. How much will he make if he earns 4.5% commission?

Answers

Answer:

67.50

Step-by-step explanation:

If he makes 4.5 percent on each tab, 149.99x .045 is 6.75 per tablet. 6.75 times 10 is 67.50

Answer: $67.50

Steps:

149.99 * .045 = 6.75

6.75 * 10 = 67.50

Danny purchased a large wheel of cheese at the farmer's market.What is the volume of the cheese, to the nearest cubic inch ?

Answers

Answer:

1105.84 in³

Step-by-step explanation:

The volume of the wheel can be obtained using the formular for the volume of a cylinder :

V = πr²h ;

Height, h = 5.5 in

Radius, r = 8 in

V = π * 8² * 5.5

V = π * 64 * 5.5

V = π * 352

Volume of wheel = 1105.8406 in³

There are 72 conkers in a bag.
Mo takes of them
Alexa takes .
How many do they have in total?

Answers

Answer:

Step-by-step explanation:

Which expression is equivalent to 6(7x - 4)?

a)13x - 10

b)13x - 24

c)42x - 10

d)42x - 24

Answers

Answer:

d. 42x - 24

Step-by-step explanation:

Given

6(7x - 4)

= 42x - 24

What is the measure in degrees of angle (3x-13)°

Answers

Answer:

180

Step-by-step explanation:

x+10, 2x+15, and 3x-13. what are the degree measures of the angles of the triangle? The sum of the measures of the angles of triangle = 180 degrees.

find m<1 m<2 138

i did it asappp,thank you

Answers

Answer:

mΔ1 = 42°

mΔ2 = 42°

Step-by-step explanation:

Δ1 + 138° = 180°

Δ1 = 180° - 138°

Δ1 = 42°

______________

Δ2 + 138° = 180°

Δ2 = 180° - 138°

Δ2 = 42°

In slope-intercept form what is m=-2, b=8/5

Answers

Answer:

y = -2x + 8/5

Step-by-step explanation:

What is the greatest common factor of 50, 42, and 30?

Answers

Answer:

Step-by-step explanation:

[tex]50 = 2 \times 5 \times 5 \\ \\ 42 = 2 \times 3 \times 7 \\ \\ 30 = 2 \times 3 \times 5 \\ \\ common \: factor \: = 2 \\ \\ gcf = 2[/tex]

Find (13x−3)+(−34x−5)

Answers

Answer:

-21x-8

Step-by-step explanation:

(13x-3)+(-34x-5)

(13x-34x)+(-3-5)

-21x+(-8)=

-21x-8

Justin rented a car from Hertz for 5 hours. There was a rental fee of
$25. Luis rented a truck from Enterprise for 3 hours. He paid a $50
rental fee. Both Justin and Luis spent the same amount and both
companies have the same hourly rental fee. Write and solve an
equation to determine the hourly rental fee.

Answers

25 is the correct answer

Write the function notation for the
above rotation.

Answers

Need to explain more.

Find the total price of the following item. Dress: $69.00 Tax: 5%

Answers

Answer: 72.45

Step-by-step explanation: Hopef this helps

Answer:

I know I shouldn't be using this, but How did you guys get the answer??? I need an explanation please!

POINTS

It takes 4.12 gallons of paint to paint a fence.

How much paint is needed for 1/5 of the fence?

i need an exact answer

IF YOU DO A PROPER ANSWER I WILL BRAINLYEST

Answers

Answer:

0.824

Step-by-step explanation:

Answer:

am i good enouph for brainly #1 victory royal

Step-by-step explanation:

15 - 1.5(y - 5) - 7.5 simplified

Answers

Answer:

I hope that is useful for you :)

Step-by-step explanation:

[tex]15 - 1.5y + 7.5 - 7.5 \\ 15 - 1.5y \\ 1.5(10 - y)[/tex]

Brianna's parents built a swimming pool in the backyard. Brianna says that the distance around the pool is 120 feet.
40 Ft
2011
1. Is she correct? Explain why or why not. (Your explanation needs to include the following: If she is correct, show what she
did to find the distance around the pool. If she is not correct, find the correct distance, showing all work.)
2. Explain (using words this time) how Brianna would determine the distance around the pool so that her parents would
know how many feet of stone to buy for the edging around the pool.

Answers

No, Brianna is not correct.
The distance around the pool is 131.4 ft

Step by step explanation:

1) Semi circle with a diameter equal to the side opposite it, 20 ft.
Find the length of half the circle:
Circumference of semi-circle = (1/2)(πd)
Where:
π = 3.14
d = 20 ft.
Circumference of semi-circle = (1/2)(3.14)(20 ft) = 31.4 ft.
2) Vertical lengths from the endpoint of semi-circle to the endpoints of horizontal lengths, 40 ft each ⇒ 2 × 40 ft. = 80 ft.
3.) Horizontal length at 20 ft.
Add the semi-circle, vertical, and horizontal lengths:
Distance around the pool = 31.4 ft + 80 ft. + 20 ft.
Distance around the pool = 131.4 ft.

No, Brianna is not correct.

The distance around the pool is 131.4 ft

What is perimeter of semicircle?

The perimeter of a semicircle is the sum of half of the circumference of the circle and its diameter. As the perimeter of a circle is 2πr or πd. So, the perimeter of a semicircle is 1/2 (πd) + d or πr + 2r, where r is the radius, and, 2r=d is diameter.

P=(πr + 2r)

here, we have,

1) Semi circle with a diameter equal to the side opposite it, 20 ft.

Find the length of half the circle:

Circumference of semi-circle = (1/2)(πd)

Where:

π = 3.14

d = 20 ft.

Circumference of semi-circle = (1/2)(3.14)(20 ft) = 31.4 ft.

2) Vertical lengths from the endpoint of semi-circle to the endpoints of horizontal lengths, 40 ft each ⇒ 2 × 40 ft. = 80 ft.

3.) Horizontal length at 20 ft.

Add the semi-circle, vertical, and horizontal lengths:

Distance around the pool = 31.4 ft + 80 ft. + 20 ft.

Distance around the pool = 131.4 ft.

To learn more on perimeter of semi-circle click:

brainly.com/question/29140521

#SPJ2

Someone, please help I'm confused.

Answers

Answer:

The highest rate of birds is during the years 4 to 3

(remember that the lowest digit of number of negative is the highest and the highest is the lowest)

Step-by-step explanation:

Rate of Changes:

1 to 2: 5080.86 - 5238/ 2 - 1

= -157.14/1

= (convert to decimal) -157.1

2 to 3: 4928.43 - 5080.86/ 3 - 2

= -152.43/ 1

= -152.43

3 to 4: 4780.58 - 4928.43/ 4 - 3

= -147.85/ 1

= -147.85

f(x) = x^2. What is g(x)?

please answer quick i’ll give brainliest

Answers

Answer:

-x² - 3

Step-by-step explanation:

If a function is concave down, that means the x value is negative.

Hence we know that it should be -x²

The graph is translated 3 units down

Hence:

-x² - 3

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