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wolverine [178]

2 years ago

15

How many arches are in an equilateral triangle

2 answers:

defon2 years ago

8 0

There 3 of them
.....................

ELEN [110]2 years ago

3 0

3 arches .............

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C<br> What is the missing hypotenuse length? *<br> х<br> 6<br> 8

4vir4ik [10]

Step-by-step explanation:

By Pythagoras' Theorem, 6^2 + 8^2 = x^2.

x^2 = 36 + 64 = 100, x = 10.

7 0

2 years ago

How to factor 2n^2+3n-9 without splitting the middle term

kozerog [31]

$2n^2+3n-9= \\\\ a=2 \\ b=3 \\ c=-9 \\\\ \Delta= 3^2-4*2*(-9)=9+72\to\boxed{81} \\\\ x_1;x_2=\frac{-3 +\-\sqrt{81}}{2*2}= \frac{-3+/- 9}{4} \\\\ x_1=\frac{-3+9}{4}=\frac{6}{4}\to\boxed{\frac{3}{2}} \\\\ x_2=\frac{-3-9}{4}=\frac{-12}{4}\to\boxed{-4} \\\\ 2n^2+3n-9=(x-\frac{3}{2})(\x+4)$

7 0

2 years ago

Which function describes this graph?<br><br> f(x)=4x+2<br> f(x)=x+2<br> f(x)=1/4x+2

GaryK [48]

F(x) = 1/4x + 2

This means that the y-intercept is 2 and the slope is 1/4.

Hope this helps!

7 0

3 years ago

Read 2 more answers

An observational study found that the amount of sleep an employee gets each night is associated with job performance. The correl

blagie [28]

Answer:

The correct option is D.) Causation cannot be determined from an observational study.

Step-by-step explanation:

The conclusion is not correct because

D.) Causation cannot be determined from an observational study.

Causation determined from an observational study is speculative and cannot be confirmed without data from a real experiment.

6 0

2 years ago

What is 31,693 rounded to the nearest whole number?

Illusion [34]

Its about 32,000 rounded up

6 0

3 years ago