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2 years ago

Okay so clearly I'm not so smart but I need help again..?

Mathematics

1 answer:

Alla [95]2 years ago

5 0

Lateral surface area, is the area that is not including bases
so it is an area of free rectangles
3*(5*8)=3*40=120 cm²

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A homeowner finds that there is a 0.15 probability that a flashlight does not work when turned on. If she has three flashlights,

ziro4ka [17]

Answer:0.9966

Step-by-step explanation:

Given

Probability that flash light does not work is $P_o=0.15$

If owner has 3 three flashlights then

Probability that atleast one of them works $=1-P(\text{none of them works})$

Probability that flashlight will work $=1-P_o=1-0.15$

$=0.85$

Required Probability $=1-0.15\times 0.15\times 0.15$

$=1-0.003375$

$=0.9966$

Now, Probability that second works given that first works is given by

$P=P(\text{First works})\times P(\text{Second works})$

$P=0.85\times 0.85$

$P=0.7225$

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2 years ago

What assumption must be made about the sun rays if you use this method of determining the circumference of a large sphere?

Alexxandr [17]

Based on the given details, the assumption that must be made about the sun rays if using the method of determining the circumference of a large sphere is that, the rays it emits are of a certain angle from one another and these rays would travel in parallel. These rays are not touching, therefore, its angles are the same. Hope this answer helps.

6 0

3 years ago

1.name two acute angles in the figure

kirill115 [55]

Answer:

There isn't a figure. But Acute angles are less than 90 degrees(they're small than an L). Remember it by saying "cute" things are small so acute

Step-by-step explanation:

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2 years ago

Sophia and Olivia shared 60p so that Olivia had 10p more than Sophia. How much did Sophia have?

Taya2010 [7]

Answer:

Step-by-step explanation:

If Olivia had 10 more p than Sophia, then Olivia has 35, and Sophia has 25.

35 + 25 = 60!

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2 years ago

Q7: A grocery store sells a bag of 5 lemons for $2.00. What is the unit cost of each lemon in the bag?

hammer [34]

Answer:

0.40 cents per lemon

Step-by-step explanation:

Divide 2.00 by 5

7 0

3 years ago