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Rasek [7]
3 years ago
5

Someone answer even if it’s easy pls

Mathematics
1 answer:
nordsb [41]3 years ago
4 0

Answer:

425

Step-by-step explanation:

Out of 429 matchbox cars, there's only 4 that are blue. Therefore, 429 - 4 = 425. :)

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Aubrey went shopping at her favorite store target she bought three shirts and a pair of jeans that cost $28 she spent a total of
aliya0001 [1]

Answer:

Each shirt cost $20

Step-by-step explanation:

88- $28= 60

60/3= $20

8 0
2 years ago
How do I solve the system of equations x^2 +y=0 and x^2+y=0? I have to use substitution
Wittaler [7]
Equations
• x² + y = 0 ... (1)
• x² - 4x - y = 0 ... (2)

Answer -> (x, y) = (2, -4)

Step-by-step solution:

From equation 2,
-> y = x² - 4x ... (3)

• Substitute y into equation 1

-> x² + (x² - 4x) = 0
-> 2x² - 4x = 0
-> 2x² = 4x
-> x²/x = 4/2
-> x = 2

• Put x = 2 in equation 3

-> y = (2)² - 4(2)
-> y = 4 - 8
-> y = -4
5 0
3 years ago
If four points are collinear are they coplanar
kap26 [50]
It is False , because they could be in a common plane but they do not form a single line 
6 0
3 years ago
Realy easy question for soo many points
Art [367]

Answer: 129

Step-by-step explanation:

It is 129 because y is less than 70 so the greatest possible value for that is 69 and z is less than or equal to 60 so 69 + 60 =129

4 0
3 years ago
A volume of the cone is (1/3) the volume of a cylinder. The volume of the sphere is what fraction of the volume of the cylinder?
xenn [34]

Answer:

4/3

Step-by-step explanation:

To know this, let's write down the formulas for the volume of cylinder and sphere.

Vs = 4/3πr³   (1)

Vc = π r² h    (2)

Now, we do have a little problem here and its the fact that the sphere do not have a height like the cylinder do. But in this case so if you want to have an idea of the fraction of the volume, we will assume that the cylinder has the same height as its radius. Assuming this we have the following:

Vs / Vc = 4πr³ / 3πr²h

Vs/Vc = 4πr³ / 3πr³

From here, we can cancel out the values of π and r³:

Vs/Vc = 4/3

<h2>Vs = 4/3 Vc</h2>

Thus we can conclude that the volume of the sphere is 4/3 the volume of a cylinder.

Hope this helps

8 0
2 years ago
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