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cricket20 [7]
2 years ago
14

Hi please help me i will mark as brainiest just please help!

Mathematics
1 answer:
snow_lady [41]2 years ago
4 0

Answer:

B

Step-by-step explanation:

Kahlil wants it to be more than 10 seconds long, and his friend wants it 5 seconds longer than that. So it has to be at least 10 + 5 seconds long or 15 seconds. B is the only option with >15, and all the possible track lengths below satisfy the inequality.

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Simplify the expression:<br><br> 5x + 8 – 13y – 4x – 18 + 16y
aleksandrvk [35]

\text{Hey there!}

\text{Simply the equation: 5x + 8 - 13y - 4x - 18 + 16y}

\text{First you have to combine the \bf{like-terms}}

\text{5x-4x = 1x}

\text{-13y + 16y = 3y}

\text{8 + (-18) = -10}

\boxed{\boxed{\bf{Answer: 1x + 3y - 10}}}\checkmark

~\frak{LoveYourselfFirst:)}

4 0
3 years ago
How do you find the square root of a number?
MA_775_DIABLO [31]
Multiply it by its self 3 times for example 2 to the square root of 3 2x2x2
3 0
3 years ago
A pair of skis was discounted 20%. How many percent will the discounted price have to be increased to return to the original pri
denis-greek [22]

Answer:

25%

Step-by-step explanation:

Let the original price of A pair of skis be $100

discount given on A pair of skis = 20% on original price

discount value of A pair of skis in $ = 20% * $100

                   =  (20 * 100)/100 = $20

discounted price of A pair of skis =  original price - discount = 100 -20 = $80

in order to increase discounted price to original price of $100

there must be increase of $20 to discounted price which is $80

percentage increase on discounted price   to return to the original price =

(increased \ amount / discounted \ price) * 100 \\=>( 20/80) * 100 =  25\\

therefore 25% must be increase on discounted price to return to the original price

6 0
3 years ago
8w^2=50 i’m not sure how to find the answer
CaHeK987 [17]

8w^2=50

= w^2= (50÷8)

= w^2= 6.25

=w = √6.25

w= 2.5

8 0
3 years ago
Read 2 more answers
I need help!!!!!!!!!!!!!!
Paladinen [302]

Answer:

1. x=3

2. x=2

3. 0 i think

4. y=6

5. x=7/5

Bonus: k=6

Step-by-step explanation:

combine like terms

7 0
2 years ago
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