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Gekata [30.6K]
2 years ago
6

What diretction does the parabola open if its equatin is y=-4(x+2)^2

Mathematics
1 answer:
Fed [463]2 years ago
5 0
It is a cap-size parabola. The parabola "goes down". The graph of this function looks like in this attached picture. 

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3. If Earth was 10 times farther away from the sun than it is now, which planet would it be closest to? (Assume all the planets
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A bat and a ball cost one dollar and ten cents in total. The bat costs a dollar more than the ball. How much does the ball cost?
Marrrta [24]

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3 0
3 years ago
Question 9 of 10
allochka39001 [22]

Answer:

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7 0
2 years ago
a 400 g of a liquid of density 1.6g/cm3 is made from mixing liquids of density 1.2g/cm3 and 1.8g/cm3 find the mass of the liquid
gogolik [260]

Answer:

133.33g

Step-by-step explanation:

Let the:

Mass of 1.2g/cm³ of liquid = x

Mass of 1.8g/cm³ of liquid = y

From our Question above, our system of equations is given as:

x + y = 400........ Equation 1

x = 400 - y

1.2 × x + 1.8 × y = 1.6 × 400

1.2x + 1.8y = 640..... Equation 2

We substitute, 400 - y for x in Equation 2

1.2(400 - y) + 1.8y = 640

480 - 1.2y + 1.8y = 640

- 1.2y + 1.8y = 640 - 480

0.6y = 160

y = 160/0.6y

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Solving for x

x = 400 - y

x = 400 - 266.67g

x = 133.33g

Therefore, the mass of the liquid of density 1.2g/cm³ is 133.33g

7 0
2 years ago
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