MATHEMATICS MIDDLE SCHOOL

Find the area. the figure is not drawn to scale.

Answers

Answer 1

Answer:

Answer:

Total area of the figure= $248.5cm^2$

Step-by-step explanation:

The given figure has a rectangle and a triangle:

The area of the figure= Area of rectangle+Area of triangle

Length of the rectangle= 13 cm

Width=9 cm

$Area = length * width\n\n= 13*9\n\n=121 cm^2$

Area of the triangle= 1/2 * base * Height

Height= 11 cm

Base= 13-8=5 cm

Area of the rectangle:

$(1)/(2)*5*11\n\n =(1)/(2)*55\n\n=27.5cm^2$

Total area of the figure:

$= 121+27.5=248.5 cm^2$

Answer 2

Answer:

Answer: 144.5

Step-by-step explanation:

area of the triangle is 27.5

area of the rectangle is 117

117+27.5=144.5

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What is the quotient of 3600 and 20?

Please help with Linear Function Models for 20 points, Thank you.

Answers

y=mx+b
m=slope
b=yintercept

input points
when x=1
y=1
1=1m+b

and
x=2
y=-2
-2=2m+b
multilpy first equaiton by -1 and add to othe requation

-1=-m-b
-2=2m+b +
-3=m+0b

-3=m
y=-3x+b
1=-3(1)+b
1=-3+b
add 3
4=b
y=-3x+4

first blank is -3
second is 4

we only need two points:
(1,1)
(2,-2)

Point slope form:
Given a point (x₀,y₀) and the slope m, the point -slope form is:

y-y₀=m(x-x₀)

If we wante to find out the slope:
Given two points:
(x₁,y₁)
(x₂,y₂)
The slope is:

m=(y₂-y₁) / (x₂-y₁)

In this case:
(1,1)
(2,-2)

m=(-2-1) / (2-1)=-3

We have a point (1,1) and the slope m=1
The point-slope form is

y-1=-3(x-1)

y-1=-3x+3
y=-3x+3+1
y=-3x+4

Answer: y=-3x+4

Choose all sets that contain the number 5.

Answers

All except irrational numbers

Step-by-step explanation:

This should be the correct answer

A rectangle has an area of 30 m² and a perimeter of 34 m. What are the dimensions of the rectangle?

Answers

15 AND 2.
BECAUSE 15+15+2+2=34
and 15×2= 30

.P.S. PHANTOM SNIPERS

A number y minus 12 is no more than −32.

Answers

Y - 12 < -32 is the answer

Answer:

Y - 12 < -32

Step-by-step explanation:

Tomas correctly spelled 18 out of20 words on his last spelling quiz. What
decimal represents the portion of the
words that Tomas spelled correctly?
A. 0.18
B. 0.36
C. 0.8
D. 0.9

Answers

Answer:

0.9

Step-by-step explanation:

C. 0.8
This is because Tomas got 2 words wrong and in the grade book -2 is 80 percent also known as 0.8

ASAP Please can someone help me with numbers 16-35 !!! Thanks :D

Answers

for number 16: the factor of 12 + 16 is 4(3 + 4) :)))
and for number 35:
the GCF of 10 and 15 is 5
and the factor is: 5(2v + 3w) :)))
i hope this is helpful
have a nice day

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