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matrenka [14]
3 years ago
9

Jenna’s rent is increasing from $650 per month to $700 per month the percent increase in her rent is closest to which of the fol

lowing
1)6.5%
2)6.8%
3)7.1%
4)7.7%
Please explain
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
8 0

Answer: 7.6

Step-by-step explanation:

1) Subtract the big number by the small number

2) Divide answer by the small number

3) Multiply answer by 100

4) You get 7.692307693

Count one place to the right and get 7.6

You might be interested in
19. For the following exercises, use the descriptions of each pair of lines given below to find the slopes of Line 1 and Line 2.
worty [1.4K]

Answer:

The given lines are un-related.

Step-by-step explanation:

In the question, two lines are given as line 1 passes through (-8,-55) and (10,89). Whereas, line 2 passes through (9,-44) and (4,-14).

It is required to find the slope of given lines and figure out whether they are perpendicular, parallel or neither.

To solve this question, first find the slope of both lines. Check if their product is equal to -1, then they are perpendicular. If the slopes are equal the lines are parallel.

Step 1 of 2

Find the slope of first line.

$$\begin{aligned}&m_{1}=\frac{89-(-55)}{10-(-8)} \\&m_{1}=\frac{144}{18} \\&m_{1}=8\end{aligned}$$

Step 2 of 2

Find the slope of first line.

$$\begin{aligned}&m_{2}=\frac{-14-(-44)}{4-9} \\&m_{2}=\frac{30}{-5} \\&m_{2}=-6\end{aligned}$$

Since, both slopes are neither equal nor reciprocal of each other.

Therefore, the lines are un-related.

4 0
1 year ago
What is the slope of 6x+10y=8<br> (choice A)<br> A -3/4<br><br> B -5/4<br><br> C -3/5<br><br> D -4/5
kvv77 [185]

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 6x + 10y = 8 into this form by subtracting 6x from both sides

10y = - 6x + 8 ( divide all terms by 10 )

y = - \frac{3}{5} x + \frac{4}{5} ← in slope- intercept form

with slope m = - \frac{3}{5} → C

5 0
3 years ago
Lucy and Ethel’s favorite store was having a sale. Lucy bought 10 shirts and 4 pairs of jeans and spent $280. Sabrina bought 12
Sphinxa [80]

Answer:

Each shirt costs 12 dollars.

Each pair of pants cost 40 dollars.

Step-by-step explanation:

<u>Let x represent the shirts </u>

<u>Let y represent the pair of jeans</u>

10x + 4y = $280

12x + 5y = $344

<u>Use elimination method to eliminate y</u>

• Multiply the entire first equation by 5.

• Multiply the second entire equation by -4.

5(10x +4y = $280)

-4(12x + 5y = $344)

50x + 20y = 1400

-48x -20y = -1376

2x = 24

x = 12

Each shirt costs 12 dollars.

<u>Solve for how much each pair of jeans costs.</u>

10(12) + 4y = 280

120 + 4y = 280

4y = 160

y = 40


3 0
3 years ago
35 gallons of water at first. Due to a leak the amount changed to 32 gallons after 1 hour after another hour it decreased to 26
enyata [817]

Answer:the percent decrease in the amount of water from 35gallons to 32 gallons is 8.6%

Step-by-step explanation:

The initial amount of water was 35 gallons.

Due to a leak, the amount changed to 32 gallons after 1 hour. After another hour, it decreased to 26 gallons.

The amount of water that was lost when the amount changed from 35 gallons to 32 gallons after 1 hour is

35 - 32 = 3 gallons.

Therefore, the percent decrease in the amount of water from 35 gallons to 32 gallons would be

3/35 × 100 = 8.6%

3 0
3 years ago
3x+2y=-16<br> -3x-8y=46<br> Find the solution of the system of equations
Mariulka [41]
For the first one Y = -6

3x + 2Y = -16
-2y -2y
3x = -18y
— —
3x 3x

Then divide -18y divided by 3X
To get Y= -6

Hope that helped!
5 0
3 years ago
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