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Paha777 [63]
4 years ago
12

Help anyone know this??? Math question

Mathematics
2 answers:
Anettt [7]4 years ago
6 0
<h3>Answer: Choice B) n+n+2 \ge 84</h3>

===========================

Explanation:

n = first number

n+2 = second number

Consecutive odd integers are odd numbers that follow one after another. Eg: {3, 5, 7, 9}

Note how I add 2 each time to get the next number. So that explains the "n+2"

Add up n and n+2, then set that sum equal to or larger than 84 like so

n+n+2 \ge 84

We could simplify or solve for n, but I'll stop here since this is what answer choice B is saying.

side note: "at least" means "that value or more". So if I said "at least 10", then I mean "10 or more".

marusya05 [52]4 years ago
3 0
Answer choice B.................,
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Solve for d.<br> -4d + 7 = 3d
STALIN [3.7K]

Step-by-step explanation:

The Answer Is

-4d + 7 = 3d

So, 7 = 3d + 4d

Then, 7 = 7d

•d = 7/7

= 1

So D = 1.

4 0
3 years ago
X+y=7;x+2y=11<br>Solve by substitution <br>steps must.​
Tpy6a [65]

Answer:

Step-by-step explanation:

x + y = 7    ------------(I)

     y = 7 - x  ------------(II)

x + 2y = 11 --------------(III)

Substitute y = 7 - x in equation (III)

x + 2 * (7 -x) = 11

x + 2*7 - 2*x = 11

x + 14 - 2x = 11

x - 2x + 14 = 11

- x + 14 = 11

Subtract 14 from both side

-x = 11 - 14

-x = -3

Multiply both sides by (-1)

x = 3

Substitute x=3 in equation (II)

y = 7 - 3

y = 4

8 0
3 years ago
Read 2 more answers
How can I solve this does anyone knows?
Ipatiy [6.2K]
A. C = 17h + 15
b. 83 = 17h + 15 
    -15           - 15  subtract 15 from both sides 
    68 = 17h
    ------------
         17               divide both sides by 17
      4=h  
  They cleaned the house for 4 hours
c. C = 20x
to do this last part, you would put both equations into the calculator under y=, then look at the table to determine when the price is the same. According to the calculator, the price is the same at 5 hours 
7 0
4 years ago
Read 2 more answers
Please help.
Cloud [144]

Answer:

The cups cost $3.00 and the plates cost $4.00

6 0
3 years ago
What is this? Please answer if u know what you are doing thank you
fgiga [73]

Answer:

y= 8

Step-by-step explanation:

y= k/x

-8= k/4

k= -8×4= -32

y= k/x

y= -32/-4

y= 8

hope it helps!

6 0
3 years ago
Read 2 more answers
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