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3 years ago

What is the area of this triangle ?!

Mathematics

2 answers:

fomenos3 years ago

6 0

Answer:

35.

Step-by-step explanation:

To find the area, multiply the length and the width.

A = L x W

7 x 5 = 35

finlep [7]3 years ago

5 0

Answer:

The area of the rectangle is 35 therefor the triangle is 17.5

Step-by-step explanation:

Area of the rectangle is wl = 7 x 5 = 35

To find area of a triangle you divide by half

35 ÷ 2 = 17.5

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Which story problems could be solved using the given equation? 15÷10=? Choose exactly two answers that are correct. Brandy bough

Tatiana [17]

Multiply by the reciprocal by 3 and divide the common denominator by 14

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3 years ago

How to multiply scientific notation <br>

Irina18 [472]

Answer:

To multiply two numbers in scientific notation, multiply their coefficients and add their exponents. To divide two numbers in scientific notation, divide their coefficients and subtract their exponents. In either case, the answer must be converted to scientific notation.

Step-by-step explanation:

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3 years ago

Matt measures a subway token and calculates that it has an area of 254.34 square millimeters. What is the token's circumference?

aivan3 [116]

Answer:

The token's circumference is $56.52\ mm$

Step-by-step explanation:

step 1

Find the token's radius

The area of the circle is equal to

$A=\pi r^{2}$

we have

$A=254.34\ mm^{2}$

$254.34=(3.14)r^{2}$

$r^{2}=254.34/(3.14)$

$r^{2}=81$

$r=9\ mm$

step 2

Find the token's circumference

The circumference of the circle is equal to

$C=2\pi r$

we have

$r=9\ mm$

substitute

$C=2(3.14)(9)=56.52\ mm$

7 0

3 years ago

COMMUNITY SERVICE Every year students at West High School collect canned goods for a local food pantry. They plan to distribute

Oliga [24]

The question is incomplete, the complete question is;

Every year students at West High School collect canned goods for a local food pantry. They plan to distribute flyers to homes in the community asking for donations. Last year, 12 students were able to distribute 1000 flyers in four hours. How long would it take 15 students to hand out the same number of flyers this year?

Answer:

t = 48/s

3.2 hours

Step-by-step explanation:

This must be an inverse relation because it will definitely take more students to distribute the flyers in less time.

So;

Let the number of students be s

Let the time to distribute the flyers be t

s α 1/t

s = k/t

t = k/s

The question said that it takes 12 students takes 4 hours to distribute 1000 flyers.

So;

4 = k/12

k = 48

Hence,

t = 48/s

When s= 15

t = 48/15

t = 3.2 hours

4 0

3 years ago

PLEASE HELPPP A bowler gets a strike 25% of the time. If he throws the ball 20 times, find the probability that he gets: a) five

zvonat [6]

Hey there! I'm happy to help!

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

PART A

We see that our bowler gets a strike 25% or 1/4 of the time. This means he has a 75% chance of not getting a strike. To find the probability of him getting five strikes, we use multiplication rule, which says that if you multiply the probability of one event by another it equals the probability of both events occurring.

However, this time, we have twenty separate throws, and we have to multiply all of the probabilities of a certain event happening on each roll. This means that we will multiply five 25%s to signify the five strikes and 15 75%s to represent the 15 times he misses and this will give us the probability of this event happening. I will put these in decimal form for now and then convert it back. I will also use exponents so I don't have to write out the entire thing.

P(5 strikes)=0.25^5×0.75^15≈0.000013=0.0013%

The probability of him getting five strikes is 0.0013%.

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

PART B

To find the answer, we will first need to find the probability that he makes no strike at all, which will 75% multiplied 20 times.

P(no strike)=0.75^20≈0.003171211938934

We see that the percentage of the bowler getting a strike is 25%, while a miss is 75%. These add up to 100%. If these add up to 100%, then so should to probabilities of making at least one strike and making no strike at all!

100%-0.003171211938934%≈99.999682%

Basically, with twenty throws, he is guaranteed to make at least one strike with a probability of about 99.99%.

I hope that this helps! Have a wonderful day!

6 0

3 years ago