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alisha [4.7K]
3 years ago
11

I need help with this if you can do them all I would deeply appreciate it:)

Mathematics
1 answer:
tangare [24]3 years ago
6 0

Answer:

x = 4, x = -4

Step-by-step explanation:

  • -2 |x| = -8
  • |x| = 4
  • x = ±4
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Through (-1,5) , perp to y =1/9x+2 write the slope intercept form for the equation
ycow [4]

Answer:

y=-9x-4

Step-by-step explanation:

Perpendicular lines meet the following condition:

m2*m1= -1 (a)

where m is the slope of a line

m1 is given through equation of line 1, y =1/9 x+2

m2 must be -9 -> from eq. (a)

The Line has the following equation: y=mx+b, where m=-9 and the b is the interception with y axis.

Evaluating the above equation in (-1,5) we have the following equation

5= -9*(-1)+b, we have b=-4

The line has the following equation

y=-9x-4

Slope intercept form

4 0
3 years ago
Read 2 more answers
13+(w)/(7)=-18<br><br> step by step?
kotykmax [81]

w in (-oo:+oo)

w/7+13 = -18 // + 18

w/7+13+18 = 0

1/7*w+31 = 0 // - 31

1/7*w = -31 // : 1/7

w = -31/1/7

w = -217

w = -217


3 0
3 years ago
Danny wants to buy a house. He saved up $50,000 for the down payment. He can get a
Elina [12.6K]

Answer:

your down payment be at least 5% of the purchase price. If your down payment is at least 20% of the property price, you typically won't have to pay for private mortgage insurance (PMI), which is required by some loan types.

Step-by-step explanation:

6 0
2 years ago
Help number 5. It would mean a lot.
brilliants [131]
Hi there!

This gets pretty easy once you understand how to do these kinds of problems. Let's look at the words in the question.

Adison earned 25$. We can push that to the side.
She loaned her friend 18$, which means she took some money away from her first part of it.

25 - 18 = 7$. Now she has 7$ left. (A calculator would be useful to answer these!)

Now, let's put the 7 to the side and check out the rest of the equation. Looks like Adison's grandmother gave her 50 more dollars, and we know that more means to add.

50 + 7 = 57$.

Now, the final part of the question says she ended up with 86$ because she had money before she earned more. To see how much money she had originally, we can subtract 86 from 57.

86 - 57 = 29$.

We now understand that Adison originally had 29$ before earning anymore money.

Hope this helps!
4 0
3 years ago
A company owns two dealerships, both of which sells cars and motorcycles. The first dealer sells a total of 214 cars and motorcy
Dovator [93]

Answer:

294 cars

Step-by-step explanation:

hope this helpt touch thanks it my birth day

8 0
3 years ago
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