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nevsk [136]
3 years ago
14

WILL MARK BRAINLIEST!!!!!

Mathematics
1 answer:
RUDIKE [14]3 years ago
6 0

The data is larger for intermediate values of x, so the parabola opens downward. That leaves only the 2nd and 4th choices, where the x² coefficient is negative.

To determine which of those is appropriate, it is only necessary to consider x=1. The 2nd choice will give a y-value near 100; the 4th choice will give a y-value near 250.

The fourth choice is appropriate:

... y = -9.16x² +73.04x +183.3

_____

Alternatively, you can consider that for the x-coordinate of the vertex to be positive (it's about +4), the coefficients of the x² and x terms must have opposite signs. Using this consideration, you don't even need to evaluate the expression to determine that the 4th choice is the correct one.

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What will be the multipicative inverse of 2/3?
Eddi Din [679]

Answer:

3/2

Step-by-step explanation:

The multiplicative inverse also known as reciprocal implies it is something that is the opposite.

The given value is 2/3, so the opposite would just mean you flip the numerator and denominator. Thus, the reciprocal of 2/3 is 3/2.

8 0
2 years ago
Read 2 more answers
Which conversions from scientific notation to standard notation are true? Select the four correct answers.
Mashutka [201]

Answer:

b,e,g,h

Step-by-step explanation:

trust me

3 0
3 years ago
given that<img src="https://tex.z-dn.net/?f=%5Csqrt%7B250%7D%20%3D5%5Csqrt%7B10%7D%20and%20%5Csqrt%7B490%7D%20%3D%207%5Csqrt%7B1
Oksanka [162]

Answer:

√250 - √490

= 5√10 - 7√10

= -2√10

3 0
3 years ago
2. A group of activists wants to raise money for a good cause, so they decide to sponsor a bicycle race. It receives $60 per cyc
Scorpion4ik [409]

Answer

Step-by-step explanation:

  • The number of cyclists the group needs to raise at least $57,000 must be at least 1000 cyclists
  • Let x represent the number of cyclists.
  • Since, the activists receive $60 per cyclist entry and $15,000 in donations, hence:
  • Revenue = 60x + 15000
  • Also, the cost of the race is $18 per entry, hence:
  • Cost = 18x
  • They need to raise at least $57,000, hence:
  • Profit ≥ 57000
  • Revenue - Cost ≥ 57000
  • (60x + 15000) - 18x ≥ 57000
  • 42x ≥ 42000
  • x ≥ 1000
  • Therefore the number of cyclists the group needs to raise at least $57,000 must be at least 1000 cyclists

5 0
2 years ago
Please answer me write a statement that why isnt 6.5 / 0.5 = 3.25
REY [17]

Answer:

13

Step-by-step explanation:

It's not 3.25 because if you simplify 6.5 and 0.5, you get 65 and 5 which if you divide is 13.

4 0
2 years ago
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