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Elena L [17]
3 years ago
13

9) Sam had 7 days to complete 150 math problems. He had 5 hours a day to work on these

Mathematics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

5 problems an hour

Step-by-step explanation:

7 days x 5 hours = 35 total hours

150 problems ÷ 35 hours = 4.3 problems an hours,

which would then be rounded up to 5.

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5. The owners of a two-person business make their decisions independently of each other and then compare their decisions. If the
melamori03 [73]

Answer:

A. 0.42

B. 0.12

C. 0.45

Step-by-step explanation:

A. The probability that they make the right decision on the first try

First person = 60%

Second person = 70%

= 60% * 70%

= 0.42

B. Probability that they make wrong decision

= Wrong decision from first person * wrong decision from second person

Wrong decision = 1- right decision

= 1-0.60 * 1-0.70

= 0.40x0.30

= 0.12

3. Probability they delay decision

= 0.60(1-0.60)+0.70(1-0.70)

= 0.60x0.40 + 0.70x0.30

= 0.24+ 0.21

= 0.45

6 0
3 years ago
Properties of isosceles triangle
Degger [83]

Answer:

Had two congruent sides

Has congruent base angles

8 0
3 years ago
Which of the following statement is TRUE?
Genrish500 [490]

Answer:

C.

Step-by-step explanation:

11 is a prime number, meaning that its only factors are 1 and itself.

3 0
3 years ago
Read 2 more answers
a gold and diamond bracelet sells for $1800 . find the sales tax and the total price if the sales tax rate is 5.5% .
Sergio [31]

Answer:

Sales Tax In Amount =$99

Total amount of purchase = $1899

Step-by-step explanation:

First, let's find sales tax price in amount(dollars)

(Total Amount)*(percentage of tax)/100=Tax in amount

(1800)*(5.5%)/100 = $99

Therefore, the sales tax in amount would equal to $99, which is the same as 5.5%.

Now, let's find the total price of the purchase.

$1800+$99= $1899

So, the total cost of the purchase would equal to $1899.

7 0
3 years ago
Help me!!! 100 points !!
wlad13 [49]

Answer:

200000 times larger, its not in scientifc notation it should be 1.3*10^9, and the answer is 1.824*10^15,or182400000000000

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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