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riadik2000 [5.3K]
3 years ago
15

What us the value of (-7+3i)-(2-6i)a. -9+9ib.-9-3c.-5-3id.-5+9i

Mathematics
1 answer:
WITCHER [35]3 years ago
6 0
The answer is A. -9+9i
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The exppreson of 10x^2-7
erica [24]

The complete question is :

Question: What is the coefficient in the expression 10x²-7?

The coefficient in the expression 10x^{2} -7 is 10

<h3>What is Coefficient?</h3>

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.

According to the question,

The expression given is 10x^{2} -7

The variable given is x

We need to find the coefficient in the expression.

In the given expression x is the variable and the number before the x is coefficient which is 10 .

Hence the coefficient in the expression is 10.

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brainly.com/question/22241464

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2 years ago
To find how high school students feel about hot lunches, Adam walks to the nearest high When a=6 and b=22, c=33. If c varies dir
Delvig [45]

Answer:The equation that models the solution will be

33 = 22k / 6

Step-by-step explanation:

The two types of variation involved in this problem are direct variation and inverse variation.

In direct variation, when one item changes in the positive or negative direction, the other item also changes in the positive or negative direction.

In inverse variation, when one item changes in the positive or negative direction, the other item also changes in the negative or positive direction.

From the information given,

c varies directly with b

If we introduce a direct proportionality constant, k, then,

c = kb

c also varies inversely with a

If we introduce an inverse proportionality constant, k, then,

c = k/b

Therefore, c = kb / a

When a=6 , b=22 and c=33.

The equation that models the solution will be

33 = 22k / 6

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3 years ago
-4x-2y=-12<br> solve the system of equations
Blababa [14]
Um there needs to be another equation
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Find the value of x and y​
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What is the equation?

Step-by-step explanation:

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There is no change.

Step-by-step explanation:

8 0
3 years ago
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