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Luden [163]
3 years ago
15

5a+18≤6(a+3)-a . the solution in set builder notation

Mathematics
2 answers:
Ket [755]3 years ago
8 0

Answer:

{a | always(true)}

Step-by-step explanation:

this means that this will always be true regardless of the value for a

Anika [276]3 years ago
5 0
Step by step it is hope it helps
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I think u guys know what to do !!!
kotykmax [81]

Answer:

B, C

Step-by-step explanation:

7 - x = 18

A.

7 - 2x = 18 - x

126 - 14x = 324 - 18x

We are nowhere near the solution.

B.

-x = 11

x = -11

This works.

C.

7 = x + 18

-11 = x

This works.

D.

25 - x = 36

-25 + x = -36

This does not help.

E.

7 = x + 18

0 = x + 11

We still do not have a solution.

Answer: B, C

4 0
2 years ago
Janice is building a fence around a portion of her rectangular yard. The length of yard she will enclose is x, and the width is
Kipish [7]

We are given

length of rectangular yard is x

so, L=x

width of rectangular yard is

so, W=2x^2-98x+5

We are given

the length of the enclosed yard is 50 feet

so, we get

L=x=50

now, we can plug x=50 and then we can find width

W=2(50)^2-98(50)+5

W=105

now, we can find total fencing length

so, total fencing length is

=2L+2W

now, we can plug values

=2\times 50+2\times 105

=310feet

now, we are given

the cost of fencing is $13 per foot

so,

total cost = (cost of fencing)*(total fencing length)

we can plug values

C=13\times 310

C=4030

So, Janice will spend $4030.........Answer

6 0
3 years ago
Xin answered 182 questions correctly on her multiple choice math final that had a
miv72 [106K]

Answer:

91%

Step-by-step explanation:

182/200 = .91

.91 = 91%

Hope that helps!

7 0
3 years ago
Joe had $2. He found a quarter but he lost a dollar in the vending machine. How much money does he have now
luda_lava [24]
1.25$ ( 1 dollar and 25 cents )
6 0
3 years ago
Read 2 more answers
Can anyone help me plz​
Kryger [21]

Answer:Ok

You need to get x by itself.

8x + c = k

Subtract c.

8x = k - c

Divide 8 from both sides.

x = k - c / 8

So, I believe it is D

Step-by-step explanation:

4 0
3 years ago
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