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sweet [91]
3 years ago
15

Can someone help me in this please???

Mathematics
2 answers:
MArishka [77]3 years ago
3 0
The first one is 15 mornings
Ivan3 years ago
3 0
The first one is 15 mornings 
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In an election, 471 people voted. Candidate B received 2/3 of the votes. How many votes did Candidate B received?
Lunna [17]

Its 314 because 2/3 times 471

6 0
3 years ago
A metallic sphere is immersed in water in a cylindrical container causing a rise in the level of water by 7.5cm if the cylinder
SVETLANKA909090 [29]

Answer:

6.51 cm

Step-by-step explanation:

Since the sphere causes the water level in the cylindrical container to rise and thus increase by its own volume, the volume of the sphere is V = 4πr³/3 where r = radius of sphere. The volume rise of the container is thus    V' = πR²h where R = radius of base of cylinder = 7 cm and h = height of water level = 7.5 cm.

Since V = V',

4πr³/3 = πR²h

dividing through by π, we have

4r³/3 = R²h

multiplying both sides by 3/4, we have

r³ = 3R²h/4

taking cube-root of both sides, we have

r = ∛(3R²h/4)

Substituting the values of the variables into the equation, we have

r = ∛(3(7 cm)² × 7.5 cm/4)

r = ∛(3 × 49 cm² × 7.5 cm/4)

r = ∛(1102.5cm³/4)

r = ∛(275.625 cm³)

r = 6.508 cm

r ≅ 6.51 cm to 2 decimal places

3 0
3 years ago
What is the 2 squared times 15 squared
ryzh [129]
900 is the answer of 2 squared times 15 squared
7 0
3 years ago
Need help please. Thanks in advance
S_A_V [24]
3x+4=10
Subtract 4 from both sides
3x=6
Divide both sides by 3
X=2

Sides = 10,10,5


Problem 5. 4x+1=29
Subtract 1 from both sides
4x=28
X=7
7 0
3 years ago
Which statement about the following system is correct? y=-2x+5 and y=-2x+5
ch4aika [34]

Answer:

Infinite number of solutions

Step-by-step explanation:

Since the equations are both the same, we have an infinite number of solutions! The solutions lie on the graph y = -2x+5.

4 0
3 years ago
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