3 years ago

Is this true or false?

Mathematics

2 answers:

mylen [45]3 years ago

6 0

False, it would be 5 or -5

madreJ [45]3 years ago

3 0

It is false $\sqrt{25}$ does not equal -5. $\sqrt{25}$ = 5

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What is the equation in point-slope form of a line that passes through the points (−4, −1) and (5, 7) ?

Sergio039 [100]

The point-slope form:

$y-y_1=m(x-x_1)$

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (-4, -1) and (5, 7). Substitute:

$m=\dfrac{7-(-1)}{5-(-4)}=\dfrac{7+1}{5+4}=\dfrac{8}{9}\\\\\boxed{y-7=\dfrac{8}{9}(x-5)}$

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2 years ago

Is this a right triangle??? Show work

podryga [215]

Answer:

This is a right angle.

Step-by-step explanation:

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3 years ago

you only have to answer one, dont answer one thats been answered. also english please im a baby who wont learn new languages.

shepuryov [24]

Answer:

1. x=11

Step-by-step explanation:

2x+5=27

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4 0

2 years ago

Read 2 more answers

What is the variable equal to? t • 5 = 60

Tomtit [17]

Answer:

Step-by-step explanation:

t x 5 = 60

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2 years ago

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What f(5) if f(x) = -2x +1

Effectus [21]

F(5) is like X is 5
you just do this
f(5)=-2x+1
=-2(5)+1
=-10+1
= -9

:D

5 0

2 years ago