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3 years ago

Help me please,Thank;) ONLY IF YOU KNOW THE CORRECT ANSWER

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

7 0

B is the correct answer

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Answers to topic 4: Parallel and Perpendicular lines on the coordinate plane

Arte-miy333 [17]

Answer:

Step-by-step explanation:

y=-2x+4

-5x+10y=5

A:Parallel

B:Perpendicular

C: Neither

Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.

y=(-1/5)x+6

-2x+10y=5

A:Parallel

B:Perpendicular

C:Neither

6 0

3 years ago

A city currently has 60 family-owned restaurants. In the future, it is estimated that the number of those restaurants will decli

zheka24 [161]

The correct answer is D. 6

Explanation:

To know precisely how the number of restaurants in the city decreases over time, it is necessary to determine the 18% of the total of restaurants each year and to subtract this number. The process year per year is shown below:

First-year- 60 restaurants- Find the percentage by writing the known value and using cross multiplication

$60 = 100$ %

$x = 18$ %

$x 100 = 60 x 18$

$x = \frac{1080}{100}$

$x = 10.8$ Number of restaurants that were closed

$60-10.8 = 49.2$ New total

Second-year - 49.2 restaurants- Repeat te process

$x = \frac{49.2x 18}{100}$ Shortened version of the equation. Total of restaurants, multiplied by percentage and divided into 100 (total percentage)

$x = 8.8$

$49.2 - 8.8 = 40.4$ New total

Third-year- 40.4 restaurants

$x = \frac{40.4 x 18}{100}$

$x = 7.2$

$40.4-7.2 = 33.2$ New total

Fourth-year- 33.2 restaurants

$x = \frac{33.2x 18}{100}$

$x = 6.3$

$33.2- 6.3= 26.9$ New total

Fifth-year- 26.9 restaurants

$x = \frac{26.9 x 18}{100}$

$x = 4.8$

$26.9-4.8 = 22.1$ New total

Sixth-year- 22.1 restaurants

$x = \frac{22.1x 18}{100}$

$x= 3.96$

$22.1-3.9 = 18.1$

According to this at this rate, it will take at least 6 years for the number of restaurants to be below 20.

4 0

4 years ago

1. What is the supplement of an angle measuring 35°? 2. What is the complement of an angle measuring 70°?

bixtya [17]

Answer: Q1.=145, Q2.=20

Step-by-step explanation:

two supplementary angles equal 180

1. 180-35=145

2 . complementary angles , both add up to 90

90-70=20

4 0

3 years ago

What’s x + 1/3 = 13 <br> ..........................

lukranit [14]

to answer this, you must subtract 1/3 from both sides, after this you get 12.666666667, which in fraction form is 12 6/9

7 0

3 years ago

What is the output of f(x)=-6x -3if the input is -8

Tems11 [23]

Answer:

Step-by-step explanation:

f(x) = -6x - 3

For input x = -8

f(-8) = -6(-8) - 3

f(-8) = 48 - 3

f(-8) = 45

8 0

3 years ago