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Nana76 [90]
3 years ago
7

42x(raise to 4) - 13x² - 40

Mathematics
1 answer:
Rom4ik [11]3 years ago
6 0
I hope this helps you

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Please help me ASAP!!!
vovangra [49]
Answer is D the last one

if the equation is y= 3 lx + 2l

if you solve for x then the zero is x= -2

if y intercept .. so x = 0 

then point is (0,6)

hope that helps
4 0
3 years ago
if the original desk costs $650. It has been marked down to a new price of $520. what is the percent off
skad [1K]
The percent off is 20%
6 0
3 years ago
(5/7) ÷ (1/3) hehdhdhhdvjshshhsjshdgdhshdhhd
Kaylis [27]
5/7 ÷ 1/3 = 5/7 × 3/1 = 15/7
7 0
3 years ago
Solve and graph the inequality 4x – 10 < 18.
tiny-mole [99]

9514 1404 393

Answer:

  • The graph has an open circle at 7.
  • The arrow points left.

Step-by-step explanation:

Adding 10 and dividing by 4, we have ...

  4x < 28

  x < 7

The comparison does not include the "equal to" case, so the circle at x=7 is open. Values of x less than 7 are in the solution set. Those values are found to the left of 7 on the number line.

  • The graph has an open circle at 7.
  • The arrow points left.
5 0
2 years ago
Read 2 more answers
Insert parentheses to make each statement true20-25
Rashid [163]
20: 30-4 x (2+5)=2
21. 17-(8-5)= 14
22. You put (10/2)-3+1, but it isn't necessary

Explanation: to solve these equations, use PEMDAS (parentheses, exponents, multiplication, division.) these equations don't involve exponents, though, so ignore that part. If 30 is left alone, you would multiply 4x2 before doing anything else. This would mean you would have 30-8+5' which gets you to 27, an incorrect answer. However, if you put parentheses around (2+5), you add those first, meaning you would then have 30-4(2+5) = 30-4(7) = 30-28= 2.
Try to do the rest; if you're still having trouble add a comment
7 0
2 years ago
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