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mamaluj [8]
3 years ago
15

I NeEd ThIs By ToNiGhT

Mathematics
2 answers:
Allushta [10]3 years ago
6 0

Answer:

The answer is 7

Step-by-step explanation:

You take the 3.50+3.50 to get 7. You do this because you want to get 1 full pound. So 1/2+1/2=1 So just double 3.50 (3.5)

Kruka [31]3 years ago
5 0

Answer:

7

Step-by-step explanation:

It's a 1/2 pound, so all you do is double the price. Hope this helped!

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Combien font 2 + 2 - 5
wel

Hello!

2 + 2 - 5 = -1.

I hope it helps!

3 0
3 years ago
Solve the equation for x.
Alona [7]

the answer would be 41/5 or 8 1/5

4 0
3 years ago
Luke went shopping for a new pair of pants. The listed price of the pair of pants was $21, but the price with tax came to $22.05
alukav5142 [94]

Answer:

5%

Step-by-step explanation:

22.05-21=1.05

1.05/21=.05

.05*100=5%

4 0
2 years ago
7 divided by 2114 it is really hard
Ronch [10]

Answer:

.00331125

Step-by-step explanation:

3 0
3 years ago
If a polynomial function f(x) has roots –8, 1, and 6i, what must also be a root of f(x)? A. –6
anyanavicka [17]

Answer:

-6i

Step-by-step explanation:

Complex roots always come in pairs, and those pairs are made up of a positive and a negative version. If 6i is a root, then its negative value, -6i, is also a root.

If you want to know the reasoning, it's along these lines: to even get a complex/imaginary root, we take the square root of a negative value. When you take the square root of any value, your answer is always "plus or minus" whatever the value is. The same thing holds for complex roots. In this case, the polynomial function likely factored to f(x) = (x+8)(x-1)(x^2+36). To solve that equation, you set every factor equal to zero and solve for the x's.

x + 8 = 0

x = -8

x - 1 = 0

x = 1

x^2 + 36 = 0

x^2 = -36 ... take the square root of both sides to get x alone

x = √-36 ... square root of an imaginary number produces the usual square root and an "i"

x = ±6i

6 0
3 years ago
Read 2 more answers
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