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bulgar [2K]
3 years ago
12

Write this polynomial in descending order. -7+8x^2-4x

Mathematics
1 answer:
Vikki [24]3 years ago
6 0
8x^2 -4x -7

Look at the powers of the variables of each term, then put them in descending order (ex: 5x^4, -9x^3, 11x, 7)
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the graph to the right represents mario’s mile time in minutes, y, based on the number of hours he spends training in hours , x
sveta [45]

Answer: it is 13+13=26

Step-by-step explanation:

I don’t care.

3 0
2 years ago
Solve<br> y=2x2-3x-1<br> y=x-3
4vir4ik [10]

Answer:

The value of x is 1 and y = -2

Step-by-step explanation:

y = 2x²- 3x - 1;

y = x - 3

2x²- 3x - 1 = x - 3

2x² - 3x - 1 - x + 3 = 0

2x² - 4x + 2 = 0

take 2 as common

2(x² - 2x + 1) = 0

x² - 2x + 1 = 0

x² - x - x + 1 = 0

x(x - 1) - 1(x - 1) = 0

(x - 1) (x - 1) = 0

x - 1 = 0 or x - 1 = 0

x = 1 or x = 1

Now,

y = x - 3

y = 1 - 3

y = - 2

Thus, The value of x is 1 and y is -2

<u>-TheUnknown</u><u>Scientist</u>

4 0
2 years ago
What is the value of x?
dezoksy [38]
X is equal to 1

hope it helps
6 0
3 years ago
Mr. Carter is making a dessert using 9/10 pound of peach and 5/10 pound of raspberries. How much more peaches than raspberries i
-Dominant- [34]
Answer: 4/10
Explanation: 9/10 - 5/10 = 4/10
The denominator is already both 10 so u can subtract the numerator without worry
8 0
2 years ago
Podręcznik matematyka z kluczem 7 zad 1 strona 66 zamień ułamek dziesiętny pewnej wielkości na procent tej wielkości.
Lisa [10]

Answer:

1. 0.05 is 5%

2. 0.78 is 78%

3. 1.39 is 139%

4. 0.6 is 60%

5. 3.08 is 308%

6. 0.2 is 20%

7. 0.67 is 67%

8. 2.8 is 280%

Step-by-step explanation:

To find the percent if the decimal is given, you have simply multiply the decimal by 100. So,

1. 0.05 is 5%

2. 0.78 is 78%

3. 1.39 is 139%

4. 0.6 is 60%

5. 3.08 is 308%

6. 0.2 is 20%

7. 0.67 is 67%

8. 2.8 is 280%

8 0
3 years ago
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