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Archy [21]
2 years ago
6

Shane biked 1 mile less than three times the number of miles Lissette biked. Shane biked a total of 7 miles. Write an equation t

o determine how many miles Lissette biked.
A: 7 = 3x − 1
B: x − 1 = 3(7)
C: X/7= 3(1)
D: 7 + 3x = 1
Mathematics
1 answer:
Alex_Xolod [135]2 years ago
7 0

Answer:

Step-by-step explanation:

7 = 3x − 1

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Given AB=10cm, CD=11cm, and AD=39cm, find the length of BC
liraira [26]

<u>Answer:</u>

BC = 18 cm

<u>Step-by-step explanation:</u>

As we can see from the diagram:

AB + BC + CD = AD

⇒ 10 cm + BC + 11 cm = 39 cm

⇒ BC + 21 cm = 39 cm

⇒ BC = 39 cm - 21 cm

⇒ BC = 18 cm

7 0
1 year ago
The surface area, A, of a cylinder is given by the formula A = 2 Trh + 2nr, where ris the radius and h is the height
lord [1]

Answer:

Area = 87.9646  sq. units  from A = 28*π  sq. units.

However I cannot see this in your answer list, since the numbers look all jumbled.  Choice A. looks close to it, since there is a 28...

Step-by-step explanation:

We have a cylinder with height h = 5

radius = 2

We want the surface area of this cylinder.

A = (circumference)*h  + 2*(pi)*r^2

A = ( 4*π)*5   + 2*π*(2^2)

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A = 87.9646 sq.. units

7 0
2 years ago
The vertex of this parabola is at (-1,-3) which of the following could be its equation
Gnesinka [82]
Since these are parabolas with y being squared, the standard form of such a parabola with vertex at (h, k) is 

<span>x = a(y - k)^2 + h </span>

<span>There are no steps. Just look at what is inside the parentheses and compare it to (y - k) with k = -3. </span>
<span>Then look at what is added and compare it to h = -1. </span>

<span>For instance, A has (y + 1) in parentheses. So k = -1. And it has -3 added, so h = -3. That would be a vertex at (-3, -1).</span>
6 0
3 years ago
Read 2 more answers
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Eddi Din [679]

Answer:

Its either 8x/5 or 5x/8

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4 0
2 years ago
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s344n2d4d5 [400]

Answer:

-64123.2679492

Step-by-step explanation:

I'm sorry if this is wrong!

4 0
2 years ago
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