2 years ago

Is it true or false that the middle term of a perfect square trinomial is equal to 2 × √(first term) × √(last term)?

Mathematics

1 answer:

FinnZ [79.3K]2 years ago

3 0

False, because it's equal to 2 × first term × last term

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Divide 85 into the ratio of 2:3:5

alukav5142 [94]

The actual amount that needs to be divided = 85
The ratio in which the amount needs to be divided = 2:3:5
Let us assume the common ratio to be = x
Then
2x + 3x + 5x = 85
10x = 85
x = 85/10
= 8.5
Then
The ratio in which the number 85 will be divided = 2 * 8.5:3 * 8.5:5 * 8.5
= 17:25.5:42.5
So from the above deduction we can see that the number 85 can be divided in the ratio 17:25.5:42.5

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3 years ago

a garden plot is to contain 240 sq. ft. if its length is to be 3 times its width,what should its dimensions be?

SOVA2 [1]

240 ft^2 = L X W
240 = 3W x W
240 = 3W^2
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2 years ago

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Answer:

Step-by-step explanation:

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2 years ago

Tickets for seniors prom cost $25 for individual tickets and $40 for couples tickets. They collected a total of 2500 from ticket

quester [9]

Answer: 20

Step-by-step explanation:

Given

The cost of an individual ticket is $25

The cost of a couple's ticket is $40

The total sale is $2500

total ticket sold is 70

Suppose there are x individuals and y couples

$\therefore x+y=70\quad \ldots(i)\\\\25x+40y=2500\quad \ldots(ii)\\\text{Solving }(i)\ \text{and}\ (ii)\ \text{we get}$

$x=20,y=50$

So, they sold 20 tickets of the individual.

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3 years ago

If two parallel lines are cut by a transversal, which angle pairs are NOT congruent?

kirill [66]

Answer:

<h2>corresponding angles</h2>

Hope this helps

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3 years ago