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sergij07 [2.7K]
3 years ago
12

State the gradients and the y intercepts of y=2x+6​

Mathematics
1 answer:
LekaFEV [45]3 years ago
6 0

Answer:

y-intercept: Put x = 0 in the equation y = 2x - 6 and solve for x. The y-intercept is -6.

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If x+3 is a factor of x^3-x^2-10x+A. What is the value of A?
Leno4ka [110]

Answer:

A = 6.

Step-by-step explanation:

Let a denote a constant (a number, rather than a variable like x.)

Let f(x) denote an expression about x (for example,

By the factor theorem, if (x - a) is a factor of f(x), then f(a) = 0. In other words, if all mentions of x in the expression f(x)\! are replaced with a, then the expression should evaluate to zero.

(x + 3) is equivalent to (x - (-3)). That is: a = -3.

Replace all mentions of x in x^3 - x^2 - 10\, x + A by (-3) to get:

(-3)^3 - (-3)^2 - 10\times (-3) + A.

That should evaluate to zero. Therefore: -27 - 9 + 30 + A = 0. Solve for A to get A = 6.

7 0
3 years ago
World war 1 lasted from August 4th 1914 until November 11th, 1918. During this time an estimated 10 million lives were lost. Abo
Kryger [21]
The question is so dry, mechanical, and devoid of emotion
that it's terrifying.

There is no way to assign a number to "How many people were
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-- The "average", or better, the "unit rate" of 10 million events in 1,560 days
is the quotient

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Reciprocally, this is a unit rate of 

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When will we ever learn ! ?
6 0
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3 0
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telo118 [61]
2(x+4)=26
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8 0
3 years ago
Each banana weighs 1/2 pound. How many bananas are there in 3 pounds?
Mariana [72]

Answer:

6

Step-by-step explanation:

3 divided by 1/2 is equal to 6

7 0
3 years ago
Read 2 more answers
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