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Lunna [17]
2 years ago
12

I will give brainliest to whoever helps me with this question. Also, if you could please explain to me how you solved it I would

appreciate it!

Mathematics
1 answer:
Elodia [21]2 years ago
3 0

Answer:

3 km

Step-by-step explanation:

Lets say that you flipped the smaller triangle to be facing the same way as the bigger triangle. To find the X side, we need to do 4.5/1.2 = 1.75. which is the difference between the sides. So then we do 1.75 x 0.8 = 3.

Sorry if I couldn't explain well enough, which is not something I'm good at. I hope you get the question right! Glad I could help! :)

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The volume of a sphere is 36 cubic inches. What is the radius of the sphere?
Serjik [45]

Answer:

2.05 inches

Step-by-step explanation:

V = 4/3 x πr³

36=4πr³/3

36x3= 4πr³

108= 4πr³

108/4 = πr³

27= πr^3

27/π =r³

r=

\sqrt[3]{27 \div \pi}

r= 2.048in

round off to 2.05in

<u>PROOF</u>

V = 4÷3 x πr³

V= 4/3 x π(2.05)³

V=4/3 x π8.6

V=4×π×8.6/3

V=108/3

V=36in³

Therefore: radius= <u>2.05 inches</u>

8 0
2 years ago
The face of a clock is divided into 12 equal parts. The radius of the clock face is 6 inches. Assume the hands of the clock will
irina [24]
<h2>Answer:</h2><h2>Option (i),(iii), (v) are correct</h2>

Step-by-step explanation:

Given, the face of a clock is divided into 12 equal parts.

Angle of each part = \frac{360}{12} = 30°

(i) When one hand points at 2 and the other points at 4, this is can be divided into two parts, 2 to 3 and 3 to 4.

The angle formed = 2 (30) = 60°

Option (i) is correct

(ii) The circumference of the clock is ,

Circumference of circle = 2πr,

where r is the radius = 6 and π = 3.14.

Substituting the values in the formula, we get

Circumference of circle = 37.68.

Option (ii) is wrong.

(iii) With one hand at 5 and the other at 10, this is 5 parts

The angle formed= 30(5) = 150°.  

The arc length =\frac{150}{360}(37.68) = 15.7

Option (iii) is correct

(iv) When one hand points at 1 and the other points at 9, this is 4 parts,

30(4) = 120°.  T

Option (iv) is wrong

(v) The length of the minor arc from 11 to 2, this is 3 parts

3(30) = 90°  

minor arc from 7 to 10 is 3(30) = 90°  

Option (v) is correct

6 0
3 years ago
Read 2 more answers
The Two goal posts in football pitch, maths textbooks,chairs in classroom etc are all examples of ________ figures.
Sergeeva-Olga [200]

Answer:

3 dimensional figures

Step-by-step explanation:

Given

Goal Posts

Maths Textbooks

Chairs

Required

The type of figures

Each of the given figures are always above the ground, in other words; they have heights greater than 0.

When an object has lengths, width and heights greater than 0; such object is referred to as a 3 dimensional figure

8 0
2 years ago
Find the value of a that makes the statement true. 3^-1 divided by 3^4= 3^a <br> a=___
Firdavs [7]

3^-1 divided by 3^4 =

when dividing exponents with the same base, subtract the exponents

3^(-1-4)

3^-5

a=-5

Answer a=-5

7 0
2 years ago
Read 2 more answers
Pls answer help! I will give brainliest
Tju [1.3M]

Answer:

a.) False

b.) True

c.) True

d.) False

Step-by-step explanation:

a.) This choice is false because you can't know for sure what will happen in the future. The statement uses the word "will" which suggests that you know for sure what will occur. However, the statement also says "tomorrow" and since no one can tell the future, this statement is false.

b.) This statement is true. Let's set up a ratio to solve this problem.

People who payed using cash : Customers

20 : 80

The statement asks about 40 customers, so we need to divide both sides by 2 in order to make the information relevant.

20 : 80

/2    /2

10 : 40

This ratio shows that 10 people would most likely pay with cash in a group of 40 customers. Therefore, the statement is accurate.

c.) The third statement is true. Let's set up a ratio to solve this problem.

People who payed using a credit card : Customers

24 : 80

To put this information in decimal form, divide 24 by 80.

24/80 = .3

Therefore, .3 customers would probably pay using a credit credit card.

d.) The more participants in a survey, the more accurate the results. Therefore, this statement is false because it states the exact opposite of the truth.

4 0
3 years ago
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