3 years ago

Factor the Expression= -3x + 12

Mathematics

2 answers:

zysi [14]3 years ago

8 0

Answer:

-3(x-4)

Step-by-step explanation:

to factor, you have to find the gcf of both numbers. the gcf is -3

SSSSS [86.1K]3 years ago

6 0

Answer:

-3 (x-4)

Step-by-step explanation:

Take a negative three out of each part of the problem.

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ella [17]

F(-3) = 1

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3 years ago

There are eight boys and seven girls in a class. The teacher randomly selects three different students to answer questions. What

stepladder [879]

the probability is 7/15

Step-by-step explanation:

because there are 7 girls and 8 boys

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3 years ago

I NEED HELP!!!!!!!!!!!!

mart [117]

Answer:

n=7

Step-by-step explanation:

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3 years ago

The diagram below shows the dimensions of a triangular park built in a new housing development. Two side lengths and one angle m

evablogger [386]

ANSWER

$x = 50.5 \degree$

EXPLANATION

We use the sine rule for solving triangles.

This is given by the formula,

$\frac{ \sin(A) }{a} = \frac{ \sin(B) }{b} = \frac{ \sin(C) }{c}$

From the triangle,

$\frac{ \sin(x) }{60} = \frac{ \sin(40) }{50}$

We multiply both sides of the equation by 60 to get,

$sin(x) = \frac{ 60\sin(40 \degree) }{50}$

$sin(x) = 0.7713$

We solve for x to obtain,

$x = arcsin(0.7713)$

$x = 50.475$

To the nearest tenth, we round to one decimal place to get,

$x = 50.5 \degree$

7 0

4 years ago

If the angle ZYX measures 45 degrees ,then arc XY measures 45 degrees. TRUE OR FALSE ?!

Angelina_Jolie [31]

The picture in the attached figure

the correct question is
<span>If the angle ZYX measures 45 degrees, then arc XZ measures 45 degrees. TRUE OR FALSE ?!

we know that
if </span>angle ZYX measures 45 degrees
then
arc XZ=angle ZYX---------> by central angle

therefore
arc XZ=45°

the answer is
TRUE

6 0

3 years ago