3 years ago

Definition of coordinate plane helpppppp please

Mathematics

1 answer:

Yuri [45]3 years ago

6 0

Tool used with two axis x and y the x is vertical and y is horizontal and numbers across each put on a graph

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Evaluate 7m+ 3mn when m=8 and n=14?Answers:aA:84,B:196,C:392,D=168

Aleksandr-060686 [28]

Answer:

c) 392

Step-by-step explanation:

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3 years ago

A straight line has slope 1 and goes through the points (0, -1) and (a,3). Find the value of a.

Gala2k [10]

$\bf (\stackrel{x_1}{0}~,~\stackrel{y_1}{-1})\qquad (\stackrel{x_2}{a}~,~\stackrel{y_2}{3}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{3}-\stackrel{y1}{(-1)}}}{\underset{run} {\underset{x_2}{a}-\underset{x_1}{0}}}~~=~~\stackrel{\stackrel{slope}{\downarrow }}{1}\implies \cfrac{3+1}{a}=1\implies 4=a$

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3 years ago

Rosa conducted a survey of 25 students' favorite types of music. The results are shown in the table. Of the 600 students in the

adelina 88 [10]

Answer:

400

Step-by-step explanation:

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Read 2 more answers

Find the area of the polygon?

Sindrei [870]

Answer:

Step-by-step explanation:

reqd.area=area of square ABCD + area of trapezoid(or trapezium)CEFG

BE=BC+CE=16+16

CD=CG+GD=8+8

A=16×16+1/2 (16+8)×16

=256+192

=448 sq. inches.

reqd. area=32×16-1/2(8×16)

=512-64

=448 sq. inches.

3 0

3 years ago

An angle measures 80° more than the measure of a complementary angle. What is the measure of each angle?

Rom4ik [11]

Supplementary angles sum to 180 degree

Let one angle be x

Then the other angle is x+80

Summing the 2 angle gives

x+x+80=180

2x+80=180

2x=180-80

X=50

Thus the angles are 50 degree and 50+80= 130 degree

6 0

3 years ago