2 years ago

What is 35 million in scientific notation

Mathematics

1 answer:

Alchen [17]2 years ago

4 0

This should be the answer
3.5 x 10^7

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Complete the two-column proof. Given:x5+9=11 Given: x 5 + 9 = 11 Prove x=10 Prove x = 10 x5+9=11 x 5 + 9 = 11 a._______ x5=2 x 5

avanturin [10]

Statement Reason

$\frac{x}{5} +9 = 11\\$ Given

Subtract 9 from both the sides

$\frac{x}{5} +9-9 = 11-9\\$ Subtracting same number will not affect equation

$\frac{x}{5} = 2\\$ Simplification

$\frac{x}{5}*5 = 2*5(\\$ Multiplying by 5 both the sides

x= 10 By simplifying both the sides

Thus we solved the equation and got x =10 as answer.

6 0

3 years ago

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Based on his past record, Luke, an archer for a college archeny practice L auke wesent the number on his past record, Luke, an a

polet [3.4K]

Answer:

Option (A) 0.40951

Step-by-step explanation:

We are given the following information in the question:

P(target) = 0.90

Let the random variable X represent the number of times he hits ring of the target with a shot of the arrow.

The probability distribution of X is

x: 0 1 2 3 4 5

P(x): 0.00001 0.00045 0.00810 0.07290 0.32805 0.59049

The mean of discrete probability distribution is given by:

$\mu = \displaystyle\sum x_iP(x_i)\\\\= 0(0.00001) + 1(0.00045) + 2(0.00810) + 3(0.07290) + 4(0.32805) + 5( 0.59049)\\= 4.5$

Now, we have to evaluate

$P(x$

Option (A) 0.40951 t is the probability that the number of times Luke will hit the inner ring of the target out of the 5 attempts is less than the mean of X.

4 0

3 years ago

(I have a deadline in 3 hours :c ) Ann's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs

max2010maxim [7]

A=3B
4.35A+5.40B=780.95
Substitute 3B into A for the second equation:
4.35(3B)+5.40B=780.90
13.05B+5.40B=780.90
18.45B=780.90
B=42.33
Plug into equation 1:
A=3B
A=3(42.33)
A=126.98

7 0

3 years ago

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Chelsea writes the expression (n + 1)(n + 2) + 2n for the number of circles used to make the nth figure in the pattern shown.

Nikolay [14]

Answer:

Step-by-step explanation: