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aliina [53]
2 years ago
13

Lisa has 2 red dresses, 3 green dresses and x blue dresses hanging in her closet. If lisa chooses one dress at random, the proba

bility that lisa will choose a red dress is 25%. How many blue dresses does lisa have?
Mathematics
1 answer:
Vladimir79 [104]2 years ago
6 0

Answer:

the dess was actually blue and black

Step-by-step explanation:

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Please help i don't understand!
vaieri [72.5K]

Answer: 9. x=-3/2     10. x=2

                   x= 5/2           x=5/3

Step-by-step explanation:

9. Factor the equation:

How: put 4x^2 in the bottom left box and -15 in the upper right box.

then multiply 4x^2 x -15 = -60x^2 and put your answer in the top center box of the diamond.

Put the -4x from the equation in the bottom box. Then list out factors that multiply to the top box (-60x^2) and add to the bottom box (-4x) The two factors are -10 and 6

-10 x 6 = -60

-10 + 6 = -4

Put -12x and -5x in the remaining white boxes and find what numbers multiply to each.

I attached a picture. The colored dots correspond with each other.

Eg: Orange dot x orange dot = number in white square

Now you get the two factors (2x+3)(2x-5)

Set both of these equal to 0 and solve

0=2x+3     0=2x-5

x= -3/2       x= 5/2

Do the same for the other problem

7 0
1 year ago
Please answer if you can I will mark brainliest!
vovikov84 [41]

ANSWER

My answer is in the photo above

5 0
2 years ago
Mason, a hardwood flooring installer, needs to calculate the amount of hardwood flooring needed to cover a floor that's 33⁄4 yar
Aleksandr-060686 [28]

Answer:

20 5/8 yd^2

Step-by-step explanation:

width = 3 3/4 yd

length = 5 1/2 yd

First change both measurements to fractions.

3 3/4 = 3 + 3/4 = 12/4 + 3/4 = 15/4

5 1/2 = 5 + 1/2 = 10/2 + 1/2 = 11/2

area = length * width

area = 15/4 yd * 11/2 yd

area = (15 * 11)/(4 * 2) yd^2

area = 165/8 yd^2

165/8 = 20 remainder 5

area = 20 5/8 yd^2

3 0
3 years ago
True or false: arc measure is the same length as arc length
STatiana [176]

Answer:

true

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
What are the next three numbers 14,34,54,74,94....
Helen [10]

Each term is (the previous term increased by 20).

The next 3 terms are  <em>114,  134,  154 .</em>


7 0
3 years ago
Read 2 more answers
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