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Lesechka [4]
3 years ago
7

Help me with this math question

Mathematics
2 answers:
spin [16.1K]3 years ago
7 0

Answer:

20

Step-by-step explanation:

5k=100

k=100/5

k=20

Therefore, K=20. I know this answer sucks, I apologize for the quality.

nasty-shy [4]3 years ago
6 0

Answer:

\huge \boxed{K=20}\checkmark

B. 20

Step-by-step explanation:

<em>First, you divide by 5 from both sides of equation.</em>

<em>\displaystyle \frac{5k}{5}=\frac{100}{5}</em>

<em>Simplify, to find the answer.</em>

<em>\displaystyle 100\div5=20</em>

<em>\huge \boxed{K=20}, which is our answer.</em>

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What value of c makes the polynomial below a perfect square?
malfutka [58]

Answer:

B

Step-by-step explanation:

x² + 9x

to complete the square

add ( half the coefficient of the x- term )² to x² + 9x

= x² + 2(\frac{9}{2} )x + (\frac{9}{2} )²

= x² + 9x + \frac{81}{4} ← the value of c

= (x + \frac{9}{2} )² ← a perfect square

6 0
3 years ago
Read 2 more answers
julia, keller and israel all made 219.75 dollars in total. keller made 37.50 and israel made 12 less than keller. what did each
krek1111 [17]
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8 0
3 years ago
In circle L, points E and F lie on the circle such that E, F and L are not collinear. If LE, LF and EF are drawn then which of t
frozen [14]

Answer:

<u>option (2) it is and isosceles triangle. </u>

Step-by-step explanation:

In circle L, points E and F lie on the circle such that E, F and L are not collinear

If LE, LF and EF are drawn

So, LE = EF = the radius of the circle L

So, LEF is an isosceles triangle.

The answer is option (2) it is and isosceles triangle.

8 0
3 years ago
What is the estimate of 11,942 ​
ki77a [65]

Answer:

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12000(2sf)

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Step-by-step explanation:

I would go for 12000 (2sf) if it the degree of accuracy isn't specified in the question

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3 years ago
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likoan [24]

Answer:

In step 1 the y-intercept should be plotted at (0,-6)

Step-by-step explanation:

Remember that to find the Y intercept in any linear equation you need to use 0 as your X value, this means taking the formula in the y=mx+b form and replacing X with a 0.

Since the formula is y = -3/4x -6

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y = -3/4(0) -6

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That's what he did wrong when graphing the equation.

5 0
4 years ago
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