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Pie
3 years ago
12

A bag contains 8 red crayons, 14 purple crayons, 6 yellow crayons, and 4 green crayons. A crayon is selected, replaced, and then

another is selected. Find the probability: P (yellow and red) .
Mathematics
1 answer:
lys-0071 [83]3 years ago
5 0

Answer:

P(yellow the red) =  \frac{3}{32}

Step-by-step explanation:

P(yellow and red) = P(yellow then red) + P(red then yellow)

P(yellow then red) = \frac{6}{32} . \frac{8}{32}  = \frac{3}{64}

P(red then yellow) = P(yellow then red)

P(yellow and red) = \frac{3}{64} +  \frac{3}{64} = \frac{3}{32}

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D.

f(x) can be written as (x+2)(x-2)(x-1)
by using difference of two squares to expand x^2 - 4 whch yields 3 x intercepts

similarly, k(x) can be written as
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3 0
2 years ago
10 pt
lord [1]

Answer:

C. 434π

Step-by-step explanation:

Given:

Radius (r) = 7 in.

Height (h) = 24 in.

Required:

Surface area of the cylinder

Solution:

S.A = 2πrh + 2πr²

Plug in the values

S.A = 2*π*7*24 + 2*π*7²

S.A = 336π + 98π

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5 0
3 years ago
How to model using base 10 blocks to multiply 4x16
uysha [10]

Answer:

Step-by-step explanation:

64

3 0
3 years ago
I need to know the answer
grandymaker [24]

Answer: f(x)=-(x-5)^{2}(x+2)

Step-by-step explanation:

There is a double root at x=5 and a single root at x=-2, so we know f(x) is of the form f(x)=a(x-5)^{2}(x+2) for some constant a.

To find a, we can substitute the coordinates of the y-intercept, (0, -50).

-50=a(0-5)^{2}(0+2)\\\\-50=50a\\\\a=-1

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3 0
2 years ago
Find the HCF and LCM of the following pairs of numbers:
Marina86 [1]

Answer:

a)HCF between 774&252 is=18

LCM between 774&252=10836

b)HCF between 204&544 is=68

LCM between 204&544 is=1632

c)HCF between 770&385 is=385

LCM between 770&385 is =770

d)HCF between 477&552=3

LCM between 447&552 is =82248

Step-by-step explanation:

a)because LCM=2×2×3×3×7×43

b)because LCM=2×2×2×2×2×3×17

c)because LCM=2×5×7×11

d)because LCM=2×2×2×3×23×149

4 0
3 years ago
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