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3 years ago

CAN SOMEONE HELP ME WITH THE TOP ONE!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Naddika [18.5K]3 years ago

8 0

Answer:

Slope: 3/2

y-intercept: 3/2

y = (3/2)x + (3/2)

Step-by-step explanation:

Slope is difference of y over difference of x:

(6-3)/(3-1) = 3/2

Find the y-intercept by plugging a set of coordinates in to the equation you have with the slope.

y = (3/2)x + b where b is the y-intercept.

3 = (3/2)*1 + b

3 = (3/2) + b

b = 3/2

jok3333 [9.3K]3 years ago

4 0

Slope= -3/2
Y-intercept=33/2

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Miranda enlarged a picture twice as shown below, each time using a scale factor of 3.

lyudmila [28]

Answer:

The area of the second enlargement is 1,944 square inches

The area of the second enlargement is (3 squared) squared times the original area.

The ratio of the area of the first enlargement to the area of the original equals the square of the scale factor

Step-by-step explanation:

Verify each statement

1) The area of the first enlargement is 72 square inches.

The statement is false

Because

we know that

The original dimensions of the rectangle are

length 6 inches and width 4 inches

First enlargement

Multiply the original dimensions by a scale factor of 3

$Length: 6(3)=18\ inches\\Width: 4(3)=12\ inches$

The area of the first enlargement is

$18(12)=216\ in^2$

2) The area of the second enlargement is 1,944 square inches

The statement is true

Multiply the dimensions of the first enlargement by a scale factor of 3

$Length: 18(3)=54\ inches\\Width: 12(3)=36\ inches$

The area of the second enlargement is

$54(36)=1,944\ in^2$

3) The area of the second enlargement is (3 squared) squared times the original area.

The statement is true

Because

The original area is 24 square inches

$[(3^2)]^2(24)=1,944\ in^2$

4) The area of the second enlargement is 3 times the area of the first enlargement

The statement is false

Because

$3(216)=648\ in^2$

$648\ in^2 \neq 1,944\ in^2$

5) The ratio of the area of the first enlargement to the area of the original equals the square of the scale factor

The statement is true

Because

The square of the scale factor is 3^2=9

and the ratio is equal to

$\frac{216}{24}=9$

8 0

2 years ago

Read 2 more answers

Write down the set of multiples of 4 between 1 and 25.

jeka57 [31]

Answer:

2,3,4,5,6,7,8,9,10, that's it easy

7 0

2 years ago

Read 2 more answers

My teacher wouldn't help me.. and this is my last question. I need to know how to find the perimeter of the geometric figure (it

nika2105 [10]

This isn't really a geometry problem. It's just an addition of fractions.

You know that 'perimeter' means 'the distance all the way around'.
And you know the length of all the sides of the parallelogram.
All you need to do is add them up !

(13/12) + (3/13) + (13/12) + (3/13) = the perimeter

Notice that two of the sides are equal, and the other two sides are also equal.
So you can make the job a little easier if you add up the twelfths first

(13/12) + (13/12) = 26/12

and then add up the thirteenths ...

(3/13) + (3/13) = 6/13 .

Now, the perimeter looks a little bit less complicated.
It's just
(26/12) + (6/13) = the perimeter.

This is the tough part. Before you can add fractions, they need to have
a common denominator.

The smallest common denominator for 12ths and 13ths is 156 !
Change each fraction to (something over 156), and add um up.
I'll leave that part to you.

5 0

3 years ago

What is a trigonometric ratio

Crank

ø=Angle theta

a= length of opposite side a

h=length of hypotenuse h

5 0

1 year ago

Y=35+x how I do solve for x

Mazyrski [523]

Try to put x on one side.

Do y = 35+X

-35 -35

Now you have Y-35=x

Hope this helped

5 0

3 years ago