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Firlakuza [10]
4 years ago
5

Which expression is equivalent to 1−2/3^−3 ?

Mathematics
1 answer:
HACTEHA [7]4 years ago
8 0

Answer:

=-19/8

Step-by-step explanation:

1-(2/3)^{-3}=1-(3/2)^3=

1-27/8=(8-27)/8=

=-19/8

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What is an equation of the line that is parallel to y=5x−7 and passes through (1, 11) ?
NikAS [45]
Y=5x+6 will pass through (1,11) and it is parallel to y=5x-7

5x can be interpreted as 5/1, which is the rise over run ( rise / run ) 
for every X value the line will go up by five 

Y=Mx+B

If we start at 11 and go down by five we get 6, this means if we have a B value of 6, with a rise/run of 5/1. at the first X value (1, Y), the Y value will be 11. (1,11)

I'm bad at explaining so ask away and ill further elaborate.
7 0
3 years ago
Hannah buys 2/3 pound of roast beef. She uses 1/4 pound to make a sandwich for lunch. How much roast does she have left?
Anna11 [10]
Take LCD of 3 and 4 = 12
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3 0
4 years ago
Read 2 more answers
A rectangle has a perimeter of 48m. The width is 2m less than the length. Using an equation find the dimensions.
Anna [14]
Ok so we know that the total perimeter of the rectangle is 48m.

We also know that to get the perimeter, it is the sum of two lengths and two widths.

Therefore 2L + 2W = 48

However, we also know that the width is 2m less than the length, so the above equation can be rewritten as:
2L + 2(L-2) = 48

We can simplify this to make it
4L - 4 = 48
So 4L = 52
Hence L = 13.

We know that the width is 13-2, so the width is 11.

So the length is 13m and the width is 11m

Hope this helped
5 0
4 years ago
What is the value of x.
Lesechka [4]

Step-by-step explanation:

If TR=SR=ST

SO,

all angles are equal

one angle =180/3=60°

but,here,

In angle S =60°

7x+4=60

7x=60-4

7x=56

x=56/7

x=8°

8 0
3 years ago
Read 2 more answers
Someone please help
Arte-miy333 [17]

Answer:

is it from the text book

Step-by-step explanation:

5 0
3 years ago
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