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3 years ago

Type the correct answer in each box.

Mathematics

1 answer:

Harman [31]3 years ago

8 0

Answer:

PLZZ MARK ME BRAINLIEST..!

Step-by-step explanation:

Bridgets fish: f , 2f, 3f+2 , 1/2f, 3/5f

Add for total weight: 7 1/10 f +2

Dads fish: 3f+2, 4/5f, 2f+4, 1/2f

Add for total weight: 6 3/10f +6

set the 2 total weights equal:

6 3/10f +6 = 7 1/10f +2

Subtract 6 3/10f from each side:

6 = 8/10f + 2

Subtract 2 from each side:

4 = 8/10f

Divide both sides by 8/10:

f = 5

Bridget's first fish weighed 5 ounces.

Dads first fish weighed: 2 more than 3 times :3(5) + 2 = 15 +2 = 17 ounces.

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How to find the least common denominator of 3 fractions?

Lina20 [59]

Answer:

Find the LCD of the first two, then the LCD of that and the third one.

Step-by-step explanation:

You can do it by finding the LCD of two of the denominators, then the LCD of that and the third denominator.

Or, you can factor each of the denominators and find their LCM by multiplying the unique factors to their highest powers.

___

Example:

1/21 + 1/35 + 1/45

The LCD of 1/21 and 1/35 is (21·35)/5 = 105. The LCD of 1/105 and 1/45 is ...

(105·45)/15 = 315

Using factoring ...

21 = 3·7
35 = 5·7
45 = 3²·5

LCD = 3²·5·7 = 315

3 0

3 years ago

An $8 item is marked up 75%. What is the cost of the item?

UNO [17]

14 dollars because it’s only 75 % out of. 8

8 0

2 years ago

A national survey indicated that 30% of adults conduct their banking online. It also found that 40% are under the age of 50. and

Svet_ta [14]

Answer:

Step-by-step explanation:

Hello!

I'll express all the given percentages as probabilities:

Given the events:

Banking online (Bo)

Under the age of 50 (<50)

P(Bo)= 0.30

P(<50)= 0.40

P(Bo ∩ <50)= 0.25

1) What percentage of adults do not conduct their banking online?

The event "adults that do not conduct their baking online" is the complement of the event "adults that conduct their baking online" Symbolically $Bo^c$

P( $Bo^c$ )= 1 - P(Bo)= 1 - 0.30 = 0.70

2) What type of probability is 25%?

The probability P(Bo ∩ <50)= 0.25 is a joint probability, it indicates the intersection between both events.

3) Construct a contingency table showing all joint and marginal probabilities.

Check attachment.

4) What is the probability that an individual conducts banking online given that the individual is under the age of 50?

Symbolically:

P(Bo/<50)= P(Bo ∩ <50) = 0.25 = 0.625

P(<50) 0.40

I hope it helps!

4 0

3 years ago

an antelope can run at a speed of 61 miles per hour. What is this speed in yards per second? Round to the nearest hundredth.

arlik [135]

20.3 yards per second.

5 0

3 years ago

The subtraction property of equality states that the two sides of an

yawa3891 [41]

Answer:

False

Step-by-step explanation:

The answer is in its name. Its a property of equality meaning it makes sure that both sides are equal to each other

3 0

1 year ago