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lina2011 [118]
3 years ago
6

Eli has 8 black pens and 5 in his desk drawer. He also has 3 yellow highlighters, 4 green highlighters, and 5 pink highlighters

in his pencil case. If he chooses one pen and one highlighter without looking, what is the probability that he will get a blue pen and he will not get a yellow highlighter?
5/52

6/13

2/13

15/52
Mathematics
1 answer:
34kurt3 years ago
7 0

Answer:

The answer is 15/52. (Please make me as brainliest (: )

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B) Write 6.04 * 10 as an ordinary number.
Eddi Din [679]

Answer:

60.4

Step-by-step explanation:

6.04*10=60.4

i hope ti helps you

3 0
3 years ago
Jocelyn wants to purchase a
scoundrel [369]

Answer:

Step-by-step explanation:

Total cost b = 23.95 + 7.65c

7 0
3 years ago
A garden table and a bench cost $672 combined. The garden table costs $78 less than the bench. What is the cost of the bench?
KonstantinChe [14]

Answer:

b = $375

Step-by-step explanation:

b = cost of the bench

t = cost of the table

t = b - 78

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2b = 750

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7 0
3 years ago
SIGNS. *
mrs_skeptik [129]

im not smart enough lol

3 0
3 years ago
. Evaluate tan(α + β) = sin(????+????) / cos(????+????) to show tan(???? + ????) = tan(????)+tan(????????) / 1−tan(????) tan(???
grandymaker [24]

Answer with Step-by-step explanation:

We are given that

tan(\alpha+\beta)

\frac{sin(\alpha+\beta}{cos(\alpha+\beta)}

By using formulatan x=\frac{sin x}{cos x}

\frac{sin\alpha cos\beta+sin\beta cos\alpha}{cos\alpha cos\beta-sin\alpha sin\beta}

By using property:sin(x+y)=sin x cosy+cos x sin y

cos(x+y)=cos x cosy-sin x siny

Divide numerator and denominator by cos\alpha cos\beta

Then, we get

\frac{\frac{sin\alpha}{cos\alpha}+\frac{sin\beta}{cos\beta}}{1-\frac{sin\alpha sin\beta}{cos\alpha cos\beta}}

tan(\alpha+\beta)=\frac{tan\alpha+tan\beta}{1-tan\alpha tan\beta}

Hence, proved

Substitute \alpha=\beta

Then we get

tan 2\alpha=\frac{tan\alpha+tan\alpha}{1-tan^2\alpha}

tan(2\alpha)=\frac{2tan\alpha}{1-tan^2\alpha}

Hence, proved.

3 0
3 years ago
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