MATHEMATICS MIDDLE SCHOOL

a meter stick casts a shadow 1.4 m long at the same time a flagpole casts a shadow 7.7 m long. The triangle formed by the meterstick and its shadow is similar to the triangle formed by the flagpole and its shadow. How tall is the flaglole?

Answers

Answer 1
Answer:

Answer:

5.5 m

Step-by-step explanation:

Let x be the length of flagpole.

Length of stick=1 m

Length of shadow of stick=1.4 m

Length of shadow of flagpole=7.7 m

According to question

When triangles are similar then their ratio of corresponding sides are equal.

(1)/(1.4)=(x)/(7.7)

x=(7.7)/(1.4)

x=(77)/(14)

x=(11)/(2)=5.5

Hence, the length of flagpole=5.5 m
Answer 2
Answer: So a meter stick is just one meter right? Everything else is measured in meters as well. The meter stick's shadow, the flagpole's shadow, they are all in meters. I don't know if they've taught you how to solve for x or not but you are pretty much solving for x. The flagpole, (the measure that you are trying to find) is the x. 
So your problem kind of looks like this:
1/1.4=x/7.7 
Again, I don't know if this will help or not but if it does, than yippie! :)

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Simplest form of 17/68

Answers

1/4 Hope this helps :3
1/4 Hope this helps :3

An organic farmer wanted to find out how many eggs a typical hen lays during 1 month. She chose 8 hens at random from the 60 hens she has, then recorded the number of eggs each of the 8 hens laid. Number of eggs: 9, 9, 7, 11, 10, 11, 11, 8 What is an estimate of the mean number of eggs laid in the population of 60 hens?

Answers

average of eggs per month is 9.5 I think

Answer: Its 10 I just took the test :)

Step-by-step explanation:

Manny used 8 tenth-size parts to model 8/10. Ana used fewer parts to model an equivalent fraction. How does the size of a part in Ana's model compare to the size of a tenth-size part? Explain.

Answers

Alrighty, let's think of it like this: You are trying to fill a box with a bunch of sports balls. You have tiny little golf balls, and you have giant bowling balls. You need to fill this same box all the way up.

If you fill it with the tiny golf balls, you are going to need a whole lot of them!

If you are putting in bowling balls, only a few of them will fit, because they are so much bigger.

When it comes to your fraction, the box is the the number 8/10. That number will not change because we are not changing the size of the box.

We are just changing what we are filling it with. Manny, can fit 8 parts, or in this case balls, into the box.

It says Ana uses fewer parts, so she cannot fit as many in as Manny.

This means that Manny would have the golf balls, since he can fit more in than Ana, who must have the bowling balls.

So which is bigger? A bowling ball or a golf ball?

A bowling ball, which is what Ana has. So Ana's part will be bigger in size.
Ana's part is bigger

Kirks family drove 36 miles in 50 minutes, which was 48% of the distance to his grandmothers houseWhat was the total distance in miles to Kirk's grandmothers house?

A 17.28 miles
B 24 miles
C 48 miles
D 75 miles

Answers

wait a sec while i answer this.
to find out the total... you would divide 36 by 48 and then times it by 100 which would equal 75 miles

Answer:

D. 75 Miles

Step-by-step explanation:

I took the test online in K12 and when I reviewed it said that 75 Miles is the correct answer.

Solve each inequality. Graph and check the solution.1. -3x > -18 ____________________

2. - y/2 < 4 __________________

3. -1 1b > 55 __________________

4. -c/2 < -1.5 _____________________

5. -x/5 > 1/20 ___________________________

6. 0.9 < -r ______________________________

7. -2b > 3 __________________________

8. -a/0.5 > -70 ________________________

Answers

Just divide and multiply BUT when you divide or multiply by negative numbers you switch the symbol.

#1 is -18÷-3= 6; x is less than 6
#2 is 4×-2= -8; y is less than -8
#3 I don't understand the question
#4 -1.5×-2= 3; c is less than 3
#5 is 1/20×-5= -0.25; x is less than -0.25
#6 is not possible
#7 is 3÷-2=-1.5; b is greater than -1.5
#8 is -70÷-0.5= 35; a is greater than 35

Tbh I don't think any of these are right but I tried and it took me awhile so :/

Why is 4/6 less than 5/7

Answers

If you take 4/6, you divide so it will be 0.6667... and then if you take 5/7 you divide again, and then it will be 0.7143...
lcm = 2 x 3 x 7 = 42

4/6 = 28/42
5/7 = 30/42

28/42 is less than 30/42
4/6 is less than 5/7
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