2 years ago

Help i have no idea

Mathematics

2 answers:

krok68 [10]2 years ago

8 0

Answer:

the triangle is isosceles due to base angles being congeuent

ladessa [460]2 years ago

4 0

Answer: 9

Step-by-step explanation: there equal

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Write 30x3+5x in factored form.

yaroslaw [1]

5x(6^2 +1)
Is 30x3+5x in factored form

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2 years ago

Plz help I don’t understand how to find x?

Oliga [24]

Answer:

x = -4

Step-by-step explanation:

First lets add 82 + 55 which equals 137, then 137 +47 which equals 184

Now we know that a triangle equals 180 degrees (cannot go over 180), so this tells us x is a negitive number.

-x + 184 = 180

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Another way to look at it is; 184 minus what equals 180? 4 does, so it translates into -4.

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kap26 [50]

The mean of n numbers is the sum of the numbers divided by n.

You have a mean score of 84 after taking 5 tests. Let x be the sum of scores.
$\frac{x}{5}=84 \\
x=84 \times 5 \\
x=420$
You scored a total of 420 points on five tests.

You need to have a mean score of 85 after taking 6 tests. Let y be the score you need to obtain. Your total score on 6 tests is 420+y.
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420+y=85 \times 6 \\
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y=510-420 \\
y=90$

You need to score 90 points on the sixth test.

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Plzzz help the problem is <br> in the photo

Black_prince [1.1K]

Answer:

Step-by-step explanation:

A. 16.6%

B. 16.6%

1/3 x 1/2 = .166 = 16.6%

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2 years ago