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Over [174]
3 years ago
14

GET NAMED BRAINLIEST AND ANSWER THE RIGHT ANSWER AND GET A THANKS AND GET 30 POINTS

Mathematics
1 answer:
Inessa [10]3 years ago
3 0

Answer:

#i. π = 10/d

#ii. C/30=π

Step-by-step explanation:

#a. We are given;

  • The circumference of a circle as 10 cm

We are required to show how the relationship between the circumference  and the diameter can be used to find π.

we know that the circumference of a circle is given by;

Circumference = πd

But, circumference is 10 cm

Therefore;

10 cm = πd

Dividing both sides by d, then;

π = 10/d

#b. we are given;

We are given;

Radius of a circle = 15

We are supposed to express the ratio of circumference to the diameter;

We need to know that;

Diameter = 2 × radius

                = 2r

Circumference = πd or

                         = 2πr

Therefore, the ratio of circumference to the diameter will be;

C=2πr

d=2r

C/d = π

  But d =30

Thus; C/30 =π

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PT= 4x+6 and TQ=9x-9 find the values of x and PT . Please help me I’m stuck
Sever21 [200]
X=3
PT=18

Steps:
4x+6=9x-9
Add 9 to 6 and subtract 4x from 9x
15=5x
3=x
Plug 3 into equation
12+6=18
8 0
2 years ago
a teacher has three packages of crayons. one package contains 52 crayons, another contains 12 crayons, and the third package con
kotegsom [21]

Answer: 7 crayons

Step-by-step explanation:

To solve we first must find the total number of crayons available by adding up how many crayons are in each container.

         56+12+96 = 160 crayons total

Next we take this number and divide it by 22 (the number of students in the class) to determine how many crayon each student gets

         160 crayons/22 students = 7.272727 crayons per student

However, it's important to note that this number is not a whole number. We must then round down to the nearest whole number because students aren't given fractions of crayons.

         7.272727 ==> 7 crayons per student

5 0
1 year ago
Bret’s uncle owns a square of land that is 10 miles long on each side. is that the same as 10 mi2?
Dafna1 [17]
No it's not the same.

First of all, miles is used for length while mi2 is used for Area.

Second, if the length of each side is 10 miles , the total area would be 10 x 10 = 100 mi2

hope this helps
4 0
3 years ago
WILL GIVE BRAINLIEST
levacccp [35]

Answer:

a.  5^{2} x^{3}

b. 8^{3}

c. 4^{3} x^{4}

Step-by-step explanation:

a.  5^{2} x^{3}

b. 8^{3}

c. 4^{3} x^{4}

5 0
2 years ago
Calculate the pay for the following day of a weekly time card given a wage $13/hr <br> HELP PLEASE
dlinn [17]

Answer:

$130

Step-by-step explanation:

The person gets $13 and hour and works for 10 hours 15 minutes. You round down to 10 hours and 10x13=130.

Hope this helps.

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