What is -4x+8=48 what is x

Answers

Answer 1

Answer: Subtract 8 from each side:

-4x = 40

Divide each side by -4 :

x = -10

Answer 2

Answer: X= -10

-4x+8=48

Subtract 8 on both sides so it would be -8

Then rewrite the equation and it should be

-4x/-4 = 40/-4

Which equals -10

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1. Use the figure below to answer the questions. Give the coordinates for the original points and the points after the given transformation is performed on the original coordinate.
Solve. -1/8c=2a. 4b. –16c. –4d. 16
Suppose that x and y are real numbers, and x^2 + y^2 = 4. Find all ordered pairs (x, y) that satisfy this equation. A) (2, 0) B) (0, 2) C) (-2, 0) D) (0, -2)
–3x + 1 + 10x = x + 4

Which inequality is represented by this graph?

Answers

Answer: Choice B. $y \le -(1)/(3)x+1$

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Explanation:

We need to know the equation of the boundary line. This boundary goes through (0,1) and (3,0). Find the slope of the line through these points

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

m = (0-1)/(3-0)

m = -1/3, negative slope means the line goes downhill as we move from left to right.

The y intercept is b = 1 as this is where the boundary crosses through the y axis

y = mx+b turns into y = (-1/3)x+1 after replacing m and b with m = -1/3 and b = 1 respectively.

The equation of the boundary line is y = (-1/3)x+1

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The shading is below the boundary, so we'll have a "less than" sign involved here. More specifically, we'll have a "less than or equal to" sign because the boundary is a solid line rather than a dashed one. A solid line tells us "points on the boundary are part of the solution set". The inclusion is because of the "or equal to" portion.

Change the equal sign to a less than or equal to sign to get the final answer of $y \le -(1)/(3)x+1$ which is choice B.

Aaron tracks the time it takes him to mow lawns by writing coordinate points relating x, the time in hours it takes to mow a lawn, and y, the area of land mowed in acres. Two of his points are (3, 1.5) and (5, 2.5). Which statement describes the slope of the line through these two points?

Answers

Also need to be increase different then level more of the level

Answer:

Aaron;s rate for mowing lawns is 0.5 acres per hour."as1.5 acres / 3 hours = 0.5 acres an hour2.5 acres / 5 hours = 0.5 acres an hour Option (B)

Step-by-step explanation:Aaron;s rate for mowing lawns is 0.5 acres per hour."as1.5 acres / 3 hours = 0.5 acres an hour2.5 acres / 5 hours = 0.5 acres an hour

Tom wants to tile the floor in his kitchen which has an area of 320 ft.² in the store the smallest tile he likes has an area of 1.1 square feetand the largest tile he likes has an area of 1.815 ft.² about how many tiles can be fitted in the given area

Answers

The 291 smallest tile or 177 largest tile.

What is Area?

Area is the amount of space occupied by a two-dimensional figure. In other words, it is the quantity that measures the number of unit squares that cover the surface of a closed figure. The standard unit of area is square units which is generally represented as square inches, square feet, etc.

The area of a shape is calculated with the help of its length and width. Length is unidimensional and measured in units such as feet (ft), yards (yd), inches (in), etc. However

Given:

Area of floor = 320 feet²

Area of smallest tile= 1.1 square feet

Area of smallest tile = 1.815 square feet.

Number of smallest tile = 320/1.1 ≈ 291 tiles

Number of large tiles = 320/1.815 ≈ 177 tiles

Hence, the 291 smallest tile or 177 largest tile.

Learn more about area here:

brainly.com/question/27683633

#SPJ2

To use the most tiles, Tom should use the smallest tiles possible, or 1.1 square feet. Because 320/1.1 is about 290, approximately 290 such tiles can be fit in the area.

Kayla currently has an account balance of $2,134.96. She opened the account 12 years ago with a deposit of $1,327.35. If the interest compounds twice a month, what is the interest rate on the account?

Answers

Answer:

Interest rate is 1.728%

Step-by-step explanation:

Here, we are interested in calculating the monthly interest rate on an account.

Mathematically;

The compound interest formula amount is given as;

A = P( 1 + r/n)^nt

where A is the amount at the end of the compounding = $2,134.96

P is the principal which is the amount deposited = $1,327.35

r is the rate which we want to calculate

n is the number of times per year it is compounded = (2 * 12) = 24 ( twice monthly)

t is the number of years = 12

2,134.96 = 1327.35( 1 + r/24)^(24 * 12)

divide both sides by 1327.35

1.608 = (1 + r/24)^288

Take the ln of both sides

ln 1.608 = ln ( 1 + r/24)^288

ln 1.608 = 288 ln (1 + r/24)

0.21 = 288 ln ( 1 + r/24)

Divide both sides by 288

0.00072 = ln (1 + r/24)

1.000716527571 = 1 + r/24

r/24 = 0.00072

r = 24 * 0.00072

r = 0.01728

which is same as 1.728%

If you and a friend each toss two pennies at the same time, what is the probability that all four pennies will be tails?A. 1/2
B. 1/4
C. 1/8
D. 1/16
E. 1/32