How to solve this math? Please explain.

Answer:

Step-by-step explanation:

If x2 = 16 , then the possible values of x are +4, meaning 4 and -4.

4+-4=0, so the sum of all possible values of x are 0.

Solve the equation for x algebraically. 5x−2(2x−1)=6 x= (blank)

Do any of u guys understand this?

Which best describes the error in solving the inequality or graphing the solution of the inequality?

use picture to answer question

Identify and graph the correct solution.

Line segment EF is shown on a coordinate grid:

A coordinate plane is shown. Line segment EF has endpoints negative 3 comma 2 and negative 1 comma 2.

The line segment is rotated 180 degrees counterclockwise about the origin to form E′F′. Which statement describes E′F?

Group of answer choices

E′F′ is perpendicular to EF.

E′F′ and EF are equal in length.

E′F′ is half the length of EF.

E′F′ is greater than twice the length of EF.

Referring to the figure, a building casts a
shawdow 18 feet long. A woman standing near the
building is 5 feet 8 inches tall and casts a
shadow 4 feet long. What is the height of the
building in feet and inches?

7th GRADE MATH RATIOS HELP TIME ALMOST OUT

Graph the ordered pair (-4,-1)

Walmart marked up a bottle of nail polish 150% in order to make profit. if Walmart sells the nail polish for $8.75, what was the original cost of the polish?

Again, I need help with another problem...(I'm going to post 2 more DIFFERENT problem after this one is answered)

Lena baked 16 cookies with 2 scoops of flour. How many scoops of flour does Lena need in order to bake 32 cookies? Solve using unit rates.

Mrs. Brandt is buying markers and crayons for her preschool classroom. Markers are sold in packs of
12
, and crayons are sold in packs of
8
.

What is the least number of packages of each that Mrs. Brandt must buy to have the same number of markers and crayons?

You can spend up to $35 on a shopping trip.

a. You want to buy a shirt that costs $14. Identify an inequality that represents the amount of money, x-
(in dollars), you will have left if you buy the shirt.

b. You notice that the shirt is on sale for 30% off. Identify the new inequality.


c. Do you have enough money to buy the shirt that is on sale and a pair of pants that costs $23? Which best explains your answer?

Compare the values of the two expressions using -3(-2) + 3 __3(-4)+9​

Answer:

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Step-by-step explanation:

expression 1: -3(-2) + 3 = 9

expression 2: 3(-4) + 9 = 3

Debbie has at most $60 to spend on clothes. She wants to buy a pair of jeans that cost $22 and spend the rest on t-shirts. Each t-shirt costs $8. please show the process

which of the following statement is TRUE about what happens at 6 hours of babysitting?
1. I can predict the total cost at 6 hours by starting at the point at hour 5 and counting the RISE/RUN to move to the point at hour 6.
2.I can predict the total cost at 6 hours by starting at the point at hour 5 and counting the RUN/RISE to move to the point at hour 6.

What is the GCF using distributive property of 40 and 25?

*Brainliest for correct answer + 50 points!* Two transformations are to be applied to this square that lies in Quadrant I.
Which graph shows the square together with its final image after a reflection about the y-axis, followed by a counterclockwise rotation of 180° about the origin? (Equation in picture 1, options in picture 2)

Answer.
What are the four key points of Dalton’s Atomic Theory?
a.
b.
c.
d.
2. In 1913, Neils Bohr proposed a new atomic model known as the _________ model, which is patterned after the solar system.

3,735 ÷ 45 = ________.

Help my cousin Please because I'm busy

Mike jogged a total distance of 5 1/3 miles during the months of October and November. If Mike only jogger 1/6 mile every day, Which expression shows the number of days in which he went jogging?

-7.5238 X 378=?????????

Brett is building a fence around his land. The perimeter of his land is 101,376 inches. Each picket of the fence is 5 inches across. How many pickets are needed for the fence?

To be consistent with the mystery theme, a local movie theater reported the attendance at their mystery movie festival in the form of a problem to be solved. The report stated the following: “If there were 2 times more adults plus an additional 86 adults, a total of 638 adults would have been in attendance.”

Refer to the information above. If twice as many children as adults attended the festival, then how many children attended the mystery movie festival?
Group of answer choices

A. 276

B. 552

C. 724

D. 466

Consider the linear function that is represented by the equation y = 4 x + 5 and the linear function that is represented by the table below.

x
y
2
16
4
26
6
36
8
46

Which statement is correct regarding their slopes and y-intercepts?
The function that is represented by the equation has a steeper slope and a greater y-intercept.
The function that is represented by the equation has a steeper slope, and the function that is represented by the table has a greater y-intercept.
The function that is represented by the table has a steeper slope, and the function that is represented by the equation has a greater y-intercept.
The function that is represented by the table has a steeper slope and a greater y-intercept.

The image shows the linear graph for a family that hired a babysitter for a day. The family gave the babysitter some money up front to buy herself some lunch, and then paid her a constant hourly rate for the hours she worked. Click the thumbnail image to see the full size image.


Which 2 of the following statements are TRUE about the EQUATION of this line? Select the TWO statements that are accurate.

A. The equation of this line is y = 10x + 10.

B. The equation of this line is y = 20x.

C. The equation of this line shows a proportional relationship between the cost and the time.

D. The equation of this line shows a non-proportional relationship between the cost and the time.

A Ferris wheel has an area of 50 square meters. Find
the radius of the Ferris wheel to the nearest meters.
Round the answer to the nearest whole meter.

Julie has 1.54 L of water in a large bottle for a science experiment. She pours the water into beakers. Each beaker holds 0.22 L.

If each beacker gets 1.54 L of water, how many beakers will she fill?
How many beakers does it take to hold the 1.54 L of water?

0.3388

14.28

0.7

7

Why did Virginia become a royal colony?
A) There was conflict with local American Indians and poor management by the Virginia Company.
B) The only type of colony at the time was a royal colony.
C) The colonists wanted the king to exercise more control over them.

Which one of these shapes is not like the others? Explain what makes it different by representing each width and height pair with a ratio.