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n200080 [17]
4 years ago
9

The question is on the attachement below and there is a tree diagram with information on it.

Mathematics
1 answer:
mylen [45]4 years ago
7 0

Answer:

56 times

Step-by-step explanation:

P(red & red) = 0.5×0.6 = 0.3

Expected no. = no. Of trials × p

No. of trials: 84/0.3 = 280

P(blue & blue) = 0.5×0.4 = 0.2

Expected no. = 280 × 0.2

= 56

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What is the best estimate for the product 289 and 7? Make it clear to understand : )
xxMikexx [17]
Hey friend!
Let's figure this out!

The best estimate for the product 289 and 7 is  2,900.

290 x 10 = 2,900.

You must round the multiplicand and multiplier to come up with the best estimate.


Hope this helps!
4 0
4 years ago
Sharon's brother works at a shoe store and earns a commission. He earns 2.5% of the amount he sells. Last week he sold $900 wort
levacccp [35]

Answer:

her  brother either earns 12.6$  or 22.6$  

Step-by-step explanation:

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4 0
3 years ago
Which expression is equal to ? 8 5 A. 5 8 B. 8 • 8 • 8 • 8 • 8 C. 5 • 5 • 5 • 5 • 5 • 5 • 5 • 5 D. 40
Gnesinka [82]

Answer:

B. 8 • 8 • 8 • 8 • 8

Step-by-step explanation:

I'm gonna assume you meant 8 to the 5th power, or 8^5.

Step 1: <u>Define and explain.</u>

Remember: exponents are simply repeated multiplication.

Exponents tell you how many times to multiply the base number by itself.

---------------------------------------------------

---------------------------------------------------

Step 2: <u>Solve.</u>

base-8

exponent-5

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Step 3: <u>Conclude.</u>

Therefore, 8^5 is the same as 8*8*8*8*8.

7 0
4 years ago
Write an equation to represent this sentence the difference of a number n and 1.8 is 2
pantera1 [17]

N-1.8=2 I think thats the right answer hope this helps
3 0
3 years ago
M ÷ n - 3 (m + n) with m=-10 and n=-2
avanturin [10]
Given:
m/n-3(m+n)
m=-10 and n=-2

Solving:

-10/-2-3(-10-2) Since m=-10 and n=-2, we substitute them in for the values since they have an equal relationship.

Now, follow Orders of Operations: PEMDAS


-10/-2-3(-12) Simplify parentheses (P)
There are no Exponents (E)
Multiplication (M) and Division (D) are =, so we do whatever operation comes from the left to right.
-10/-2=5 Division comes first on the left.
therefore:
5-3(-12)

-3(12)=-36, Multiplication is last on the right.
therefore:
5-36

5-36=-31 After M/D, we do Addition and Subtraction, which are also =, so we do them left to right.

Therefore -10/-2-3(-10-2)=-31
3 0
3 years ago
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