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Amanda [17]
3 years ago
11

21 is what percent more than 16

Mathematics
1 answer:
Serjik [45]3 years ago
7 0
its 50% percent more, 50% is ur answer
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Write an equation in slope-intercept form for the line that passes through the given points and is (a) parallel to the given lin
murzikaleks [220]
Remark
This is costing you an awful lot of points, but it is a little hard to read. If I'm not interpreting it correctly, leave some sort of note below my answer.

Question One
In the first question you want a line that is parallel to x = 4 and goes through the point (-7,3). If I'm reading this correctly then the line you want is x = -7. You only need the x value of the given point. I'll put a graph there to show you what it looks like on a grid.  The graph is the left one for this question.

Question Two
Here I think you want the line going through (5,-1) and perpendicular to y = 4x - 7. I will make a graph for that one as well.

Begin with the slope
Two lines are perpendicular to each other if their slopes multiply to - 1
Given slope (m1) = 4
perpendicular slope = m2

Formula
m1 * m2 = - 1
4 * m2 = -1      Divide by 4
m2 = -1/4

So far what you have is
y = (-1/4)x + b

Now use the given point to solve for b
x = 5
y = - 1
b = ??

-1 = (-1/4)*5 + b
-1 = -5/4 + b  Add 5/4 to both sides
-1 + 5/4 + b   Make -1 into -4/4
b = -4/4 + 5/4
b = (-4 + 5)/4
b = 1/4

So the line that you want is
y = (-1/4) x + 1/4

Answers
One:  x = - 7
Two: y = (-1/4)x + 1/4

Note
The right graph is of y = 4x - 7 and y = (-1/4)x + 1/4

3 0
3 years ago
What 5+5=10 5+23#qrka
jolli1 [7]
5+23= 28 .........................
4 0
3 years ago
Read 2 more answers
Estimate 3 2/5 to the nearest integer
pickupchik [31]

4 is the nearest integer

as a decimal this number would be 3.5, which would round up to 4.

8 0
3 years ago
4 to the power of 55
LenaWriter [7]

\\ \sf\longmapsto 4^{55}

\\ \sf\longmapsto (4^5)^{11}

\\ \sf\longmapsto 1024^{11}

\\ \sf\longmapsto 1024^31024^41024^3

\\ \sf\longmapsto 1,073,741,824\times 1,073,741,824\times 1,099,511,627,776

\\ \sf\longmapsto 1.29807421E+33

6 0
3 years ago
What is the definition of union and intersection
Mkey [24]

Step-by-step explanation:

the union of two sets is a new sets that contains all of the elements that are in at least one or two sets and written as (A U B)

while intersection of two sets is a new set that contains all of the elements in both sets and written as (A n B)

3 0
3 years ago
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