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3 years ago

Question 17 Which expression is equivalent

Mathematics

2 answers:

Mamont248 [21]3 years ago

5 0

The answer is the first option

Karolina [17]3 years ago

3 0

Answer:

Step-by-step explanation:

The denominator of all the options are the same. So we just need to look at the numerator

$(9^2)^{9/10}=9^{2\cdot (9/10)}=9^{9/5}$

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You and six friends play a game where each person writes down his or her name on a scrap of paper, and the names are randomly di

Vanyuwa [196]

It would be 1/7 chance cause there are 7 people total but you have the 1 chance that you are going to get your own name

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3 years ago

Binomial factor of 25x2 + 40xy + 16y2 ?

Reika [66]

Answer:

(5x +4y)^2

Step-by-step explanation:

The first and last terms are both perfect squares, and the middle term is twice the product of their roots. That means the trinomial is the perfect square trinomial ...

25x^2 +40xy +16y^2 = (5x +4y)^2

_____

It matches the pattern ...

a^2 +2ab +b^2 = (a +b)^2

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3 years ago

Simplify 9x^2-3x(2x-4)-6x

Vinvika [58]

The answer is
$3 x^{2} +6x$ <span><span>
Remember to combine like terms.
Hop this helps. c:</span></span>

3 0

3 years ago

The specific gravity of a substance is the ratio of its weight to the weight of an equal volume of water. Kerosene weighs 0.82 g

netineya [11]

Answer:

The specific gravity of kerosene is 0.82

Step-by-step explanation:

Let

x -----> the weight in grams of a cubic centimeter of Kerosene

y ----> the weight in grams of a cubic centimeter of water

z ---> the specific gravity of a substance

$z=\frac{x}{y}$

we have

$x=0.82\ g\\y=1\ g$

substitute the values

$z=\frac{0.82}{1}=0.82$

8 0

3 years ago

Read 2 more answers

And the other question is, AC and A' C' are on parallel lines: true or false

pickupchik [31]

Answer:

Step-by-step explanation:

False

8 0

3 years ago