2 years ago

Tell which property is represented. 1+ (6 + 7) = (1+6) +7

Mathematics

1 answer:

pickupchik [31]2 years ago

6 0

The associative property of addition

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I think of a number double it, then reduce six. The result is 20. What is the number??

MissTica

Answer:

The number is 13

Step-by-step explanation:

the equation:

$2x-6=20$

The solution.

$2x=20+6$

$x=\frac{26}{2} =13$

Hope this helps

5 0

2 years ago

If (8^9)p = 8^16 what's the value of p?

monitta

Answer:

$p = {8}^{7}$

Step-by-step explanation:

$(8^9)p = 8^{16 } \\ \\ p = \frac{8^{16 } }{8^{9 } } \\ \\ p = {8}^{16 - 9} \\ \\ \huge \red{ \boxed{p = {8}^{7} }}$

8 0

2 years ago

Does that look right

Tju [1.3M]

looks right to me! :)

7 0

2 years ago

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How many miles per gallon does the car get

Diano4ka-milaya [45]

Answer:

25 miles for 1 gallon

Step-by-step explanation:

Looking at the graph, for 1 gallon of gas, is about 25 miles. For 2 gallons, it is 50 miles. For 3 gallons, it is 75 miles. So based on the graph and the pattern, we can assume 1 gallon of gas will take the car 25 miles.

5 0

2 years ago

Is (x +1) a factor of <br> f(x) = x3 + 2x2 −5x − 6 ?<br><br> Yes <br> No

sertanlavr [38]

Answer:

Yes.

Step-by-step explanation:

You can find it out by factoring but ill do it easier way.

(x + 1 ) = 0 put the first and second equation to 0

x = -1

x³ + 2x² - 5x - 6 = 0 Now plug in the x in the equation

(-1)³ + 2(-1)² - 5(-1) - 6 = 0

0 = 0

so (x + 1) is a factor.

5 0

3 years ago

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