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zheka24 [161]
3 years ago
5

Solve for m: -3(1 – 5m) = — 38 + 8m

Mathematics
2 answers:
sashaice [31]3 years ago
6 0

Answer:

-5

Step-by-step explanation:

Solnce55 [7]3 years ago
3 0

Answer:

m = - 5

Step-by-step Explanation:

-3(1-5m)=-38+8m \\  \\  - 3 + 15m =  - 38 + 8m \\  \\ 15m - 8m = 3 - 38 \\  \\ 7m =  - 35 \\  \\ m =  \frac{ - 35}{7}  \\  \\  \huge \purple{ \boxed{m =  - 5}}

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A gardener is putting a fence around his garden. His garden is 6 feet long and 2 feet wide. How many feet of fence does he need?
ryzh [129]
<h3>Answer:  16 feet</h3>

Work Shown:

L = 6 = length

W = 2 = width

P = 2(L+W)

P = 2(6+2)

P = 2(8)

P = 16 feet of fencing is needed

An alternative formula is P = 2L+2W

4 0
2 years ago
A light bulb consumes 5400 watt-hours in 3 days and 18 hours. How many watt-hours does it consume per day?
dezoksy [38]

<u>We are given:</u>

Time period: 3 days and 18 hours

Energy consumed in given time period: 5400 watt-hours

<u>Converting time to hours:</u>

We know that one day is 24 hours

So, 3 days = 72 hours

Time period = 3 days + 18 hours

Time period = 72 hours + 18 hours      

Time period = 90 hours

Converting to days

Time period = 3.75 days

<u>Watt-hour consumption in a day:</u>

Consumption = 5400 watt-hours / 3.75 days

Consumption = 1440 watt-hours/day

8 0
3 years ago
Please help me, because they ask for so many characters in Brainly lol
Andrej [43]

Answer:

y=3x+5

Step-by-step explanation:

Hi there!

Linear equations are typically organized in slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when the line crosses the y-axis)

Given that the slope is 3, we can plug this into y=mx+b as <em>m</em>:

y=3x+b

Now, to solve for <em>b</em>, simply plug in the given point:

-7=3(-4)+b\\-7=-12+b\\b=5

Therefore, the y-intercept is 5. Plug this back into the equation:

y=3x+5

I hope this helps!

4 0
3 years ago
Based on the the equations of the parabolas, identify each parabola whose focus and vertex lie in different quadrants.
mote1985 [20]

The equations of the parabolas whose focus and vertex lie in different quadrants will be:

  • x = -y²/16 - y/4 + 11/4 and
  • y = -x²/24 - 5x/12 + 95/24.

<h3>How to analyze the equations?</h3>

In the third equation, x = -y²/16 - y/4 + 11/4. The value of a = -1/16, b = -1/4, c = 11/4, and k = 3.

Also, in the sixth equation, y = -x²/24 - 5x/12 + 95/24. The value of a = -1/24, b = -5/12, c = 95/24, h = -5.

Therefore, the equations will be the third and sixth equations.

Learn more about parabola on:

brainly.com/question/16166647

#SPJ4

5 0
3 years ago
SORU<br> 7<br> 3x - 5y = -35<br> 2x + y = -6
lapo4ka [179]

Answer:

The solution of the system is the point (-5,4)

Step-by-step explanation:

<u><em>The question is</em></u>

Solve the system of equations

we have

3x - 5y = -35 -----> equation A

2x + y = -6 ----> equation B

Solve the system by elimination

Multiply by 5 both sides equation B

5(2x + y) = -6(5)

10x + 5y = -30 ----> equation C

Adds equation A and equation C

3x - 5y = -35\\10x + 5y = -30\\-------\\3x+10x=-35-30\\13x=-65\\x=-5

<em>Find the value of y</em>

substitute the value of x in any equation

3(-5) - 5y = -35

-15- 5y = -35

5y=35-15

5y=20

y=4

therefore

The solution of the system is the point (-5,4)

5 0
3 years ago
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