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Sonja [21]
3 years ago
11

Factor. Z^2+ 8z – 20

Mathematics
1 answer:
zimovet [89]3 years ago
8 0
Step by Step:

(z^2 -2z)(10z-20)

z(z-2)+10(z-2)

(z+10)(z-2)

Hope this helps.
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Explain why you might want to write very large and very small numbers like the ones in the example problem in scientific notatio
slava [35]

Answer:

Extremely large and small numbers that have many zeros are long to write and take up a lot of room. So, by using scientific notation a number can be written shorter. For example, numbers such as 295,000,000,000 can be shortened to 2.95x10^{11}. This is easier to write and understand. This is why the scientific notation is used over standard.

5 0
3 years ago
WXYZ is a parallelogram find the angle measures
Ivahew [28]

Answer:

W and Y = 91. X and Z = 89

Step-by-step explanation:

Those two angles will add to 180.

5a - 21 + 3a + 25 = 8a + 4

8a + 4 = 180

8a = 176

176 / 8 = 22 = a

Plug in a for an angle.

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6 0
3 years ago
GIVING OUT 50 POINTS
Anika [276]

<u>Answer</u>:

The area of the parallelogram below is <u>48 </u>square meters.

<u>Explanation</u>:

\sf area \ of \ parallelogram = base * height

<u>Given</u>:

  • base: 6 m
  • height: 8 m

<u>using the formula:</u>

→ base * height

→ 6 * 8

→ 48 m²

4 0
2 years ago
could you possibly help me with this question? (its not part of a graded assignment, just a review from an online course of mine
Virty [35]

Let:

x = Pounds of walnuts in the mix.

Each pound of walnuts costs $0.80. thus x pounds of walnuts cost 0.8x dollars.

Each pound of cashews costs $1.25 and the mix will contain 8 pounds of cashews, so the cost is 8*$1.25 = $10

The total cost of the mix is, therefore: 0.8x + 10 dollars.

We are also given the pound of mix costs $1.00 and we have a total of 8 + x pounds, so the total cost of the mix is 1*(8 + x) dollars.

Equating both costs:

0.8x + 10 = 1*(8 + x)

Operating:

0.8x + 10 = 8 + x

Subtracting x and 10:

0.8x - x = 8 - 10

Simplifying:

-0.2x = -2

Dividing by -0.2:

x = -2/(-0.2)

x = 10

Answer: 10 pounds

8 0
1 year ago
What do the following two equations represent?
uysha [10]

Answer:

C)

Step-by-step explanation:

8 0
2 years ago
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