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Step2247 [10]
3 years ago
8

Help please I don’t understand

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
6 0
It’s A but i look good
attashe74 [19]3 years ago
5 0

Answer:

y=3x

Step-by-step explanation:

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Hannah was asked to make d the subject of the formula<br> d-7=4d+3/e<br> Finish her question.
tigry1 [53]

Answer:

d = \frac{-1}{e} - \frac{7}{3}

Step-by-step explanation:

In order to make d the subject of the formula, you need to isolate it.

- You started with d-7 = 4d + 3/e

- Move 4d to the left side by subtracting 4d from both sides to cancel it from the right so you have...

d - 7 = 4d + 3/e              This will leave you left with -3d - 7 = 3/e

-4d     -4d                          

- Then move over the -7 by adding 7 to both sides...

-3d - 7 = 3/e              This will leave you left with -3d = 3/e + 7

     +7          +7

- Finally to get d by itself divide both sides of the equation by -3 and you'll be left with...

d = \frac{3}{-3e} -\frac{7}{3}

- You can cancel out the 3 in the -3/3e and make it -1/e so your final answer will be

d = \frac{-1}{e} - \frac{7}{3}

5 0
3 years ago
6) A climber is on a hike. After 2 hours she is at an altitude of 400 feet. After 6 hours, she is at an
Bas_tet [7]

Answer:

<em>Her rate of change is 75 ft/h</em>

Step-by-step explanation:

<u>Rate of Change</u>

It measures how one quantity varies with respect to another. The second variable usually is the time.

The climber is hiking. We are given two points of her progress: At 2 hours, she is at 400 ft. This corresponds to the point (2,400).

At 6 hours, she is at 700 ft. This is the point (6,700)

The rate of change is the slope between these two points or the quotient of the variations of each variable:

\displaystyle m=\frac{700\ ft-400\ ft}{6\ h-2\ h}

\displaystyle m=\frac{300\ ft}{4\ h}

m=75\ ft/h

Her rate of change is 75 ft/h

3 0
3 years ago
Which points
SIZIF [17.4K]

Answer:

5, 6 and 9 , 10 so E and F.

Step-by-step explanation:

6 0
3 years ago
Find missing numbers to make equation true.
faust18 [17]

Answer:

1. 7

2. 9

3. 9

4. 6

5. 10

I believe

3 0
3 years ago
Read 2 more answers
Lauren bought 20 ounces of sliced ham. She used 3/4 of the ham to make sandwiches for her friends and 1/5 of the ham in an omele
NeX [460]
4 ounces are left because 3/4 of 20 is 5. And 1/5 of 5 is 4. I hope this helps
6 0
3 years ago
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