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ludmilkaskok [199]
4 years ago
8

THESE ARE DUE TODAY PLEASE HELP!

Mathematics
1 answer:
Lilit [14]4 years ago
4 0

Answer:

24. a. perimeter=6x-6 or 6(x-1) b. area=2x²+x-28

25. -5x² and 2x are not like terms so you cannot combine them.

Step-by-step explanation:

24. a. perimeter:

add up each side:

(2x-7)+(2x-7)+(x+4)+(x+4)= 6x-6 or 6(x-1)

b. area:

F.O.I.L.:

(2x-7)(x+4)=2x²+8x-7x-28

2x²+x-28

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In a race, Brian Collins has to cross 10 hurdles. The probability that he clears a hurdle is 2/3. Find P(clears all hurdles).
Gnom [1K]

Answer:

1024/59049

Step-by-step explanation:

P( clear hurdle) = 2/3

There are 10 hurdles

P ( clear all hurdles) = P( clear hurdle) * P( clear hurdle)...... 10 times

                                 = 2/3 * 2/3 *....... 10 times

                                  = (2/3) ^ 10

                                  =1024/59049

5 0
3 years ago
Read 2 more answers
chad randomly chooses a card from a standard deck 30 times. what is the probability he gets a diamond exactly 4 times
Margarita [4]

Answer:

From a standard deck of cards, one card is drawn. What is the probability that the card is black and a jack? P(Black and Jack) P(Black) = 26/52 or ½ , P(Jack) is 4/52 or 1/13 so P(Black and Jack) = ½ * 1/13 = 1/26 A standard deck of cards is shuffled and one card is drawn. Find the probability that the card is a queen or an ace.

Step-by-step explanation:

4 0
3 years ago
Which fraction is equal to 36%?
Cloud [144]

Answer:

\frac{36}{100}  =  \frac{9}{25}

8 0
3 years ago
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The price of an apple is 2/3 of the price of orange . If I bought 6 apples and 3 oranges and spent $18 . What is the price of ap
kondaur [170]

Answer:

one apple costs $1.71

Step-by-step explanation:

let 'y' = price of an orange

let '2/3y' = price of an apple

6(2/3y) + 3y = 18

4y + 3y = 18

7y = 18

y = 18/7 or 2.57

2/3(2.57) = 1.71

3 0
3 years ago
Which expression is equivalent to 12x3x5
Pachacha [2.7K]

Hey there!

12 × 3 × 5 = 180

Why?

Because ⬇

12 × 3 = 36

36 × 5 = 180

~~~~~~~~~~~~~

We can say

• 12(3 × 5) as one of them ✅

• 36 × 5 as another ✅

Because all of them equals 180, if you do your math steps correctly

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

4 0
3 years ago
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