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Murrr4er [49]
3 years ago
15

TEMA: Propriedade de Potência e Multiplicação de Números Negativos e Positivos.

Mathematics
1 answer:
GalinKa [24]3 years ago
7 0
The correct answer is 34
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5x – 2x + 7 – x = ?x + ?
fomenos

Step-by-step explanation:

5x – 2x + 7 – x = ?x + ?

I need the answer for "no solution" and "infinite solutions".

NO SOLUTION:

no solution because any value you give to x is not solvable, it remains +7

5x – 2x + 7 – x = ?x + ?

2x = 2x + 7

INFINITE SOLUTION

infinite solutions because any value you give to x is solvable

5x – 2x + 7 – x = ?x + ?

5x – 2x + 7 – x = 2x + 7

2x + 7 = 2x + 7

8 0
2 years ago
What are the values of sin α and tan α, if:<br> cosα=0.6
olganol [36]

Positive cosine is first or fourth quadrant.  So we don't know the sign of the sine or the tangent.

Everybody's favorite right triangle is 3/4/5 and here we have

\left(\dfrac 3 5 \right)^2 + \left(\dfrac 4 5 \right)^2 = 1

So if

\cos \alpha = 0.6 = \dfrac 3 5

then

\sin \alpha = \pm \dfrac{4}{5} = \pm 0.8

and

\tan \alpha = \dfrac{\sin \alpha}{\cos \alpha} = \dfrac{\pm 0.8}{0.6}=\pm \dfrac 4 3

6 0
3 years ago
A car increases, then decreases, its speed. Which table could represent the speed of the car?
gulaghasi [49]

Answer:

B is ur answer

Step-by-step explanation:

6 0
2 years ago
Simplify the algebraic expression:<br><br> -4h + 8 + 9h - 1 + 3h - 7
skad [1K]

Answer:

-4h + 8 + 9h - 1 + 3h - 7= 8h

Step-by-step explanation:

8 0
3 years ago
Real estate values in a town are increasing at a rate of 9% per year.
mina [271]

Answer:

$887,761.38

Step-by-step explanation:

The principal amount the home is valued is $375,000 and it increases at a rate of 9% a year which is 0.09 and the amount of time it grew is 10 years. Therefore:

A_{final}=375000(1+0.09)^{10}=375000(1.09)^{10}=887761.38

After 10 years the house is worth $887,761.38 if this trend continues

6 0
3 years ago
Read 2 more answers
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