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Orlov [11]
2 years ago
14

Can u help me with my homework

Mathematics
1 answer:
I am Lyosha [343]2 years ago
3 0
Ur dad Ur dad Ur dad
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Can someone help me with this
arsen [322]

Answer:

1. 40 members

2. 4 cheerleaders

3. 40 marbles

4. 2 marbles

5. 8

6. 24

Step-by-step explanation:

1. cross multiply 12/x=30/100

2. cross multiply 12/x=10/100

3. 18/x=45/100

4. x/40=5/100

5. we know 5% is 2 marbles. multiply by 4 to get 8 marbles.

6. 20%=8 marbles. 60/20= 3. 3 x 8= 24 marbles.

6 0
2 years ago
A cylindrical metal pipe has a diameter of 8.4 millimeters and a height of 10 millimeters. A hole cut out of the center has a di
zhannawk [14.2K]

To solve this problem, we simply use the equation of volume for hollow cylinders:

V = π h (R^2 – r^2)

where V is volume, h is height = 10, R is outer radius = 8.4/2 = 4.2, r is inner radius = 6/2 = 3

 

V = π (10) (4.2^2 – 3^2)

<span>V = 86.4π = 271.43 mm^3</span>

3 0
3 years ago
Read 2 more answers
Please help <br><br><br> What is the value of x? <br> A:12 <br><br> B:15<br><br> C: 6<br><br> D: 30
pickupchik [31]

Answer: A, 12

Step-by-step explanation:

The line in the middle is a midsegment, making the two triangles similar by a ratio of two. So, dividing 60 by five will give you twelve

4 0
3 years ago
A simple random sample of 13 four-cylinder cars is obtained, and the braking distances are measured. The mean braking distance i
Tanya [424]
G shshshusuj bshshsu. Haha yah
4 0
3 years ago
10=7-m two step equations
poizon [28]

Step-by-step explanation:

10=7-m

10-7=-m

3=-m

m=-3

4 0
2 years ago
Read 2 more answers
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