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GenaCL600 [577]
3 years ago
11

An album is 20cm long and 14 cm wide. Sal uses some lace to make an edge around the cover of the album. She has 12 cm of lace le

ft over afterwards. How long was her piece of lace?
Mathematics
1 answer:
Flura [38]3 years ago
4 0
Her piece of lace was 80 cm.

2(14)+2(20)+12
28+40+12
=80
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I REALLY NEED HELP, ILL MEDAL!!!!
lara31 [8.8K]
Well, first of all, the first statement  (ABC = ADC) looks like it just says
that the two halves of the little square ... each side of the diagonal ...
are congruent.  That's no big deal, and it's no help in answering the
question.

The effect of the dilation is that all the DIMENSIONS of the square
are doubled ... each side of the square becomes twice as long.

Then, when you multiply (length x width) to get the area, you'd have

           Area = (2 x original length) x (2 x original width)

and that's
the same as      (2 x 2) x (original length x original width)

                        =     (4)  x  (original area) .


Here's an easy, useful factoid to memorize:

-- Dilate a line (1 dimension) by 'x' times . . . multiply the length by  x¹

-- Dilate a shape (2 dimensions) by 'x' . . . multiply area by  x²

-- Dilate a solid (3 dimensions) by 'x' . . . multiply volume by  x³

And that's all the dimensions we have in our world.
_______________________________

Oh, BTW . . .

-- Dilate a point (0 dimensions) by 'x' . . . multiply it by  x⁰  (1)

5 0
2 years ago
Whats the slope and point of y=3x-13
jolli1 [7]
Answer:
slope of line is 3
y-intercept of line is -13

Explanation:
The general formula of the linear line is:
y = mx + c
where:
m is the slope of the line
c is the y-intercept

The given line is:
y = 3x - 13

Comparing the given line with the general formula, we would find that:
m (the slope of the line) is 3
c (the y-intercept) is -13

Hope this helps :)
4 0
3 years ago
Jacob borrowed $30, 000 to start up his consulting business. The loan had simple interest rate of 6.2% for 3 years. Use I= part
sammy [17]

Answer:

The amount of interest is $5580.            

Step-by-step explanation:

Given : Jacob borrowed $30, 000 to start up his consulting business. The loan had simple interest rate of 6.2% for 3 years.

To find : The amount of interest he will pay with the loan ?

Solution :

Using interest formula,

I=P\times R\times T

Where, P is the principal P=$30,000

R is the rate of interest R=6.2%=0.062

T is the time t=3 years.

Substitute the value in the formula,

I=30000\times 0.062\times 3

I=5580

Therefore, The amount of interest is $5580.

6 0
3 years ago
Simplify the following fraction: 12/16
mihalych1998 [28]

\huge\text{Hey there!}

\large\text{SIMPLIFY THE following FRACTION: } \mathsf{\dfrac{12}{16}}

\large\text{FINDING the numerator GCF (Greatest Common Factor)}

\large\text{12: 1,2,3,4,6,12}

\large\text{16: 1, 2, 4, 8, 16}

\large\text{GCF (Greatest Common Factor): 4}

\large\text{So, we will DIVIDE the numerator and the denominator from 4.}\\\bullet\large\text{Numerator}\rightarrow\large\text{\bf TOP NUMBER}\\\bullet\large\text{Denominator}\rightarrow\large\text{\bf BOTTOM NUMBER}

\mathsf{\dfrac{12\div4}{16\div4}}

\mathsf{12 \div 4 = \bf 3}\leftarrow\large\text{NUMERATOR}

\mathsf{16\div 4 = \bf 4}\leftarrow\large\text{DENOMINATOR}

\boxed{\boxed{\large\text{Answer: }\mathsf{\bf \dfrac{3}{4}}}}\huge\checkmark

\text{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

8 0
2 years ago
Alan is decorating for a party. He wants one color of streamer, one type of flower,
Lelu [443]

Answer:

OK I think that their is 9 options

Step-by-step explanation:

1.(red,tulips,plaid)  2.(red,daisies,striped)   3.(red,roses,solid)  

4 .(blue,tulips,plaid)   5.(blue,daisies,striped)  6.(blue, roses,solid)  7.(yellow,tulips,plaid)  8.(yellow, daisies,striped)   9.(yellow, roses, solid)

Hope this somewhat helps  :)

8 0
2 years ago
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