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Bess [88]
3 years ago
6

12. Higher Order Thinking Find all the

Mathematics
1 answer:
andrew-mc [135]3 years ago
3 0

Answer:

38= 2×19

39= 3×13

40= 2×2×2×5

hcf = highest common factor = 1

if you can't seen any common factor then write 1 , it's common in all.

if all the number divide by same number, then it's common in factor

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The circumference of F is 120 cm what is the length of DE the minor arc
AfilCa [17]

Answer:

Option E 15 cm

Step-by-step explanation:

we know that

The circumference of a circle subtends a central angle of 360 degrees

so

using proportion

Find out the length of arc DE by a central angle of 45 degrees

Let

x -----> the length of arc DE

\frac{120}{360}=\frac{x}{45}\\\\x=120*45/360\\\\x=15\ cm

7 0
3 years ago
Can somebody please help me
tekilochka [14]

To find the volume of a cylinder, the equation used is V = 3.14r^2h

r = 4, and h = 3,  so we input both numbers to get V = 3.14*4^2*3

V = 3.14*4^2*3 = 3.14*16*3 = 3.14*48=150.72

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7 0
3 years ago
You are building an entertainment center for a television. You need to
Rainbow [258]
This question is about Pythagorean theorem, a square + b square = c square
Where a and b represents either leg of the triangle (width or height), and c represents the hypotenuse (the diagonal)
Let height = h
For the question above, the equation will be
36 square + h square = 45 square
Subtract 36 square from both sides
36 square - 36 square + h square= 45 square - 36 square
h square = 2025 - 1296
h square = 729
Find the square root of both sides
Square root of h square = square root of 729
h = 27
The height of the television is 27
5 0
3 years ago
The variable z varies jointly with x and y. If z = 18 when x = 2 and y = 6, find the constant of variation, k, and then find the
solniwko [45]

Answer:

The constant of variation k is 3/2.

The value of z is -30.

Step-by-step explanation:

As we know Function form is

Z=kxy-------------1

So for k  

K = z/xy

So if z=18, x=2 y=6

k= 18/2 x6

k= 18/12

k=3/2

Now we have to find for z, now we know the value of x= -4  y =5 z =3/2

z= kxy

z= 3/2  (-4)(5)

z= -30

6 0
3 years ago
758<br>-195<br>estimar diferencia cual es el resultado ​
TiliK225 [7]

Answer:

563

Step-by-step explanation:

758-195=563

5 0
2 years ago
Read 2 more answers
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