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Nitella [24]
3 years ago
12

10. What is the probability of selecting a green marble out of a bag that has 4 red marbles, 3 blue marbles, 2 green marbles, an

d 1 yellow marble?
A. 2/9
B. 1/5
C. 2/2
D. 10/2
Mathematics
1 answer:
umka2103 [35]3 years ago
8 0

Answer:

B.

Step-by-step explanation:

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Find the projection of v on to w if v = ⟨-5,-2⟩ and w = ⟨1,-1⟩
eduard

Answer:

Step-by-step explanation:

\frac{\vec v \bullet \vec w}{||\vec w||}\bullet \vec w

\vec v \bullet \vec w = \bullet = -5+2 = -3

||\vec w ||=\sqrt{2}

Hence, the result will be

\frac{-3\sqrt{2} }{2}

you can put the scalar in to get

8 0
3 years ago
Can someone help please!! I need to know what X is.
yaroslaw [1]

Step-by-step explanation:

AB(x)/DE=BC/EF

AB/25=28/20

20AB=28×25

20AB=700

AB=700/20

AB=35

SO x=35

8 0
3 years ago
Calculate the sum of the infinite series 98+84+72+432/7+...
bogdanovich [222]
ANSWER

S_\infty= 686


EXPLANATION

The given infinite series is

98 + 84 + 72 +  \frac{432}{7}  + ...

The sum to infinity of this series is given by the formula,

S_\infty= \frac{a_1}{1 - r}

where the first term of this infinite geometric series is

a_1 = 98


and the common ratio is
r =  \frac{a_2}{a_1}


r =  \frac{72}{98}  =  \frac{6}{7}


We substitute these values to obtain,


S_\infty= \frac{98}{1 -  \frac{6}{7} }

We simplify the denominator to get,


S_\infty= \frac{98}{\frac{1}{7} }


This simplifies to

S_\infty= 98 \times 7 = 686
6 0
3 years ago
Read 2 more answers
What is the prime factorization of 48?
babunello [35]

Answer:

2x2x2x2x3

Step-by-step explanation:

6 0
3 years ago
A right rectangle prism is 6 cm by 14 cm by 5 cm what is the surface area of the right prism
NeX [460]

Answer:

\large\boxed{S.A.=368\ cm^2}

Step-by-step explanation:

The formula of a surface area of a rectagular prism:

S.A.=2(lw+lh+wh)

l - length

w - width

h - height

We have the dimensions 6cm × 14cm × 5cm. Substitute:

S.A.=2(6\cdot14+6\cdot5+14\cdot5)=2(84+30+70)=2(184)=368\ cm^2

8 0
3 years ago
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