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RoseWind [281]
3 years ago
10

Elena is cutting a 30-foot piece of ribbon for a craft project. She cuts off 7 feet, and then cuts the remaining piece into 9 eq

ual lengths of feet each.
Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0

Answer:

Each piece of ribbon lengths 2.55 feet.

Step-by-step explanation:

A 30-foot piece of ribbon that Elena has cut for a craft project. Then she cuts off 7 feet from this.

So, the remaining length of the ribbon for the craft project will be (30 - 7) = 23 feet.

Now, then she cuts the remaining piece into 9 equal lengths of feet each.

Hence, each piece of ribbon lengths \frac{23}{9} = 2.55 feet. (Answer)

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Which line is parallel to a line that has a slope of 3 and a y-intercept at (0, 0)?
saul85 [17]

Answer:

HJ

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are the same

so

The slope of the line that is parallel to a line that has a slope of 3 is equal to 3

Verify the slope of the blue and red line , because their slopes are positive

<em>Blue line</em>

we have

C(-3,0),D(3,2)

The slope m is equal to

m=(2-0)/(3+3)

m=2/6

m=1/3

<em>Red line</em>

we have

H(-1,-4),J(1,2)

The slope m is equal to

m=(2+4)/(1+1)

m=6/2

m=3

therefore

The answer is the red line HJ

4 0
3 years ago
How do you write equations for horizontal and vertical lines?
NemiM [27]

Answer:

y=_

x=_

Step-by-step explanation

horizontal for y=_

vertical for x=_

8 0
3 years ago
1 1/2 feet a width of 2 1/2 and height of 8 inces what is the volume
Musya8 [376]
One way of calculating the volume would be to convert all of these measurements to decimal:

V = (18 in)(30 in)(8 in) = 4320 cubic in
8 0
3 years ago
ABC has the points A(1,7) B(-2,2) and C(4,2) as it’s vertices
tekilochka [14]

<u>Part 1</u>

Using the distance formula,

AB=\sqrt{(-2-1)^{2}+(2-7)^{2}}=\sqrt{34}\\\\BC=\sqrt{(-2-4)^{2}+(2-2)^{2}}=6\\\\AC=\sqrt{(1-4)^{2}+(7-2)^{2}}=\sqrt{34}

So, the measure of the longest side is 6 units.

<u>Part 2</u>

Triangle ABD will have vertices A(1,7), B(-2, 2), and D(1,2).

We already know that AB=\sqrt{34}

Using the distance formula,

AD=\sqrt{(1-1)^{2}+(7-2)^{2}}=5\\\\BD=\sqrt{(-2-1)^{2}+(2-2)^{2}}=3

So, ABD is a scalene triangle.

<u>Part 3</u>

From part 2, we know that the length of side AD is 5 units.

6 0
2 years ago
In a cookie jar, 1/4 of the cookies are chocolate chip and 1/2 of the rest are peanut butter. what fraction of all the cookies a
schepotkina [342]

Answer:

\frac{3}{8}


Step-by-step explanation:

The fraction of all the cookies is equivalent to 1.


If \frac{1}{4} of the cookies are chocolate chip, then the remaining cookies is equivalent to

1-\frac{1}{4}=\frac{3}{4}.


The fraction of all the cookies that are peanut butter is


=\frac{1}{2}\times \frac{3}{4}


=\frac{3}{8}



8 0
3 years ago
Read 2 more answers
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