3 years ago

Please help!

Mathematics

1 answer:

Wittaler [7]3 years ago

3 0

Answer: 22,800

Step-by-step explanation: Depends on what you do that year

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Hurry need help now 25 points!!!!!!

RSB [31]

Change in temperature = final - initial
= 22 - (-13)
= 22 + 13
= 35

In short, Your Answer would be 35

Hope this helps!

4 0

4 years ago

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Evaluate \dfrac{e}{4}+2f-3 4 e +2f−3 when e=12e=12 and f=\dfrac12f= 2 1 .

Verdich [7]

Answer: -406

Step-by-step explanation:

We have the following expression:

$\frac{e}{4}+2f-34e+2f-3$

In addition we know:

$e=12$ and $f=\frac{1}{2}$

If we substitute this in the expresion, we will have:

$\frac{12}{4}+2(\frac{1}{2})-34(12)+2(\frac{1}{2})-3=-406$

4 0

3 years ago

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For what values of a does the equation a+x= 1+xa^2 have no solution?

Anton [14]

Answer:

We have the equation

$a+x= 1+xa^2$

we leave the terms with x on the left side of the equation and the independent terms on the right side.

$x-xa^2=1-a\\(1-a^2)x=1-a\\$

resolving for x we have that

$x=\frac{1-a}{1-a^2}$

Since we need that the equation doesn't have solution, then it is necessary that the denominator of x be 0 and this occur when $1-a^2=0\\1=a^2\\a=\pm1$

Then, for $a=\pm1$ the equation hasn't solution

7 0

3 years ago

What is the value of this expression<br> 8 + 6x (10 - 4) +2

Vinvika [58]

Answer:

$8+6x(10-4)+2\\= 10 - 4\\= 6 + 2\\= 8 * (8 + 6x)\\ = 8 + 6x\\= 14x * 6\\= 84x\\$

Step-by-step explanation:

hope this helps.

4 0

2 years ago

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Please help me!! this is a quiz and i have 10 minutes!!

Nookie1986 [14]

Answer:

When y = 1/2, the answer would be 0. When y = -4, the answer would be 9. When y = 0, the answer would be 1.

Step-by-step explanation:

3 0

3 years ago