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Vaselesa [24]
4 years ago
8

What is -7n-4=24 lol i hate homework

Mathematics
2 answers:
Tom [10]4 years ago
8 0
Add 4: -7n=28
Divide by -7: n=-4
Montano1993 [528]4 years ago
3 0
It's a simple linear equation in 'n'.  There's only one number that 'n' can be
that will make the equation a true statement.  That number is called the
'solution' to the equation.  Here's one way to find it:

You said that                       <u> -7n - 4  =  24</u>

Add  4  to each side:           -7n       =  28

Multiply each side by  -1 :    7n       =  -28

Divide each side by  7 :         <em>n        =  -4</em>

Homework is the only way for most people to learn stuff.
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A winter jacket cost $200. It is on sale for 30% off when you have a coupon to save another 20%. How much do you have to pay for
Luba_88 [7]

Answer:

$100

Step-by-step explanation:

20%+30% = 50% off

50/100 = 1/2

200*1/2 = $100

5 0
3 years ago
Read 2 more answers
In any function, f(x) = a(x-h)n + k , a negative leading coefficient means the graph is reflected. True or False
Temka [501]

Answer:

True

Step-by-step explanation:

For any function of the form f(x) = a(x-h) ^ n + k the coefficient a produces a reflection of the function whenever a.

We can verify it in the following way.

Take, for example, the function:

f(x) = 2(x-1) ^ 3

Now let's make f(2)

f(2) = 2(2-1)^3\\\\f(2) = 2

Now let's f(2) in the following function:

f(x) = -2(x-1)^3

We have:

f(2) = -2(2-1)^3\\\\f(2) = -2

We can see then that the function was reflected in the axis -y by placing a negative coefficient a.

You can see more examples in the attached images

Therefore we can conclude that the statement is true.

7 0
4 years ago
A taut clothesline extends between the points (–4.2, –6.4, 4.5) and (7.1, 2.2, 5.8), where the coordinates are in units of feet.
Citrus2011 [14]

Answer:

17.54 ft

Step-by-step explanation:

Moving along the line from (–4.2, –6.4, 4.5) to (7.1, 2.2, 5.8), x increases by 11.3, y by 8.6 and z by 10.3.

Applying the Pythagorean Theorem twice, we get

(length of clothesline) = √( 11.3² + 8.6² + 10.3²), or 17.54 ft.

7 0
3 years ago
5. Solve: 16 * 22 / 2
bixtya [17]

Answer:

176

Step-by-step explanation:

Usually you'll follow PEMDAS & the left->right rule, however, as you are only multiplying and dividing, it does not matter.

22/2 = 11

11 * 16 = 176

176 is your answer.

~

5 0
3 years ago
Read 2 more answers
You are selling tickets for the school play "13". Student tickets cost $4 and general admission tickets cost $6. You sell 525 ti
Scilla [17]

Answer:

Step-by-step explanation:

s= student ticket

g= general admisson ticket

4s+6g=2876

s+g=525

4s+6g=2876

-4s-4g=-2100

add both equations

2g=776

g=388

s+g=525

s+388=525

s=137

6 0
3 years ago
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