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bezimeni [28]
2 years ago
11

Is x^4+3x^3-x+7 in standard form

Mathematics
2 answers:
irakobra [83]2 years ago
7 0

Answer:

yes

Step-by-step explanation:

VARVARA [1.3K]2 years ago
5 0

Answer:

  yes

Step-by-step explanation:

The standard form of a polynomial has the exponents decreasing left to right. Here, the exponents are 4, 3, 1, 0, so are decreasing left to right. The expression is in standard form.

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×WILL MARK AS BRAINLIEST×<br>Solve the equation for b, d and x
Lera25 [3.4K]
Solve for d:
(3 (a + x))/b = 2 d - 3 c
(3 (a + x))/b = 2 d - 3 c is equivalent to 2 d - 3 c = (3 (a + x))/b:
2 d - 3 c = (3 (a + x))/b
Add 3 c to both sides:
2 d = 3 c + (3 (a + x))/b
Divide both sides by 2:
Answer: d = (3 c)/2 + (3 (a + x))/(2 b)


-----------------------------

Solve for x:
(3 (a + x))/b = 2 d - 3 c
Multiply both sides by b/3:
a + x = (2 b d)/3 - b c
Subtract a from both sides:
Answer:  x = (2 b d)/3 + (-a - b c)

____________________________


Solve for b:
(3 (a + x))/b = 2 d - 3 c
Take the reciprocal of both sides:
b/(3 (a + x)) = 1/(2 d - 3 c)
Multiply both sides by 3 (a + x):
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5 0
3 years ago
12 is 80% of what number
nydimaria [60]
X - the number

80\%x=12 \\&#10;\frac{80}{100}x=12 \\&#10;\frac{4}{5}x=12 \\&#10;x=12 \times \frac{5}{4} \\&#10;x=3 \times 5 \\&#10;x=15

12 is 80% of 15.
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Emma runs 3/4 mile in 6 minutes. Joanie runs 1 1/2 miles in 11 minutes. Whose speed is greater?
Whitepunk [10]
Amma solve it first then ill tell you what i got as the answer:)
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3 years ago
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kondor19780726 [428]

Answer:

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Step-by-step explanation:

2x4= 8

8 0
3 years ago
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