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coldgirl [10]
3 years ago
6

Solve the inequality −8 ≤ z + 6.4

Mathematics
1 answer:
drek231 [11]3 years ago
5 0

Answer:

-14.4<or=z

Step-by-step explanation:

-8-6.4or = z+6.4-6.4

-14.4_<z

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5x(3x+2)-4(2x-1)<br><br><br><br> Yea i needd help
UkoKoshka [18]

Answer: 15x² + 2x + 4

x = -2/3, 0, 1/2

Step-by-step explanation:

5x(3x + 2) - 4(2x - 1)

First, distribute:

15x² + 10x - 8x + 4

Combine like terms:

15x² + 2x + 4

This is your polynomial!

If you needed to solve for x, take your original factored polynomial and set each term equal to 0:

5x(3x + 2) - 4(2x - 1)

5x = 0

x = 0

3x + 2 = 0

3x = -2

x = -2/3

-4 = 0

No solution

2x - 1 = 0

2x = 1

x = 1/2

x = -2/3, 0, 1/2

Hope this helps!

4 0
3 years ago
ASAP PLS! BRAINLIEST
Alex_Xolod [135]

Answer:

y=-\frac{1}{4}x+4

Step-by-step explanation:

So we pick one point from the graph

(0, 4)

y-y_{1}=m(x-x_{1} ) \\y-4=-\frac{1}{4}(x-0)

3 0
3 years ago
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I need help answering this question...
iogann1982 [59]
I think its c on the paper hope this helped
4 0
3 years ago
The dashed triangle is the image of the pre-image solid triangle.
grigory [225]

The dashed triangle is the image of the pre-image solid triangle.

It's enlargement so scale factor has to be greater than 1

SF = 6/3

SF = 2

Answer

The scale factor used to create the dilation is 2

8 0
3 years ago
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last year, debra opened an investment account with $7600. At the end of the year, the amount in the account had increased by 29.
-BARSIC- [3]

There are $9842 in her account at the end of last year.

Step-by-step explanation:

Given,

Amount in account = $7600

Increment by the end of year = 29.5%

Amount of increase = 29.5% of amount in account

Amount of increase = \frac{29.5}{100}*7600

Amount of increase = 0.295*7600 = $2242

The increase is $2242.

Amount after increase = 7600 + 2242 = $9842

There are $9842 in her account at the end of last year.

Keywords: percentage, division

Learn more about percentages at:

  • brainly.com/question/10414011
  • brainly.com/question/10483199

#LearnwithBrainly

5 0
3 years ago
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