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likoan [24]
3 years ago
11

Can someone please help me with my homework

Mathematics
1 answer:
olganol [36]3 years ago
3 0

Answer:

a=-1 goes to the third graph (because it's negative so obviously it's a sad smile)

a=1 goes to the first graph

a=0.25 goes to the second graph

Step-by-step explanation:

The smaller the value of a, the wider the the parabola would be. If the value of a is large then the parabola becomes smol

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What is the function to 5c+4=2 (c-5)
VikaD [51]
Subtract 4 from both sides
5c=2-4

Simplify 2-4 to -2
5c=-2

Divide both sides by 5
c=-2/5
6 0
3 years ago
Aldo takes classes at both Westside Community College and Pinewood Community College. At Westside, class fees are $98 per credit
stealth61 [152]

Let Y = total cost of both schools.

The total cost would be ( number of credits at Westside x 98) + (number of credits at Pinewood x 115).

The total number of credits he is taking is 14.

If w is the number of credits at Westside, then for Westside you have 98w ( $98 times the number of credit hours)

The equation is now y = 98w +  (number of credits at Pinewood x 115).

The number of credit hours at Pinewood would be the total credit  hours 14 minus the credit hours at Westside w, so you have 14-w, which needs to be multiplied by the cost at Pinewood.

The equation is now y = 98w + 115(14-w)

This can be simplified using the distributive property to:

Y = 98w + 1610 - 115w

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6 0
4 years ago
Samaia buys two water bottles and three bags of chips for $9.45. Abdullah goes to the same store and buys four water bottles, as
kow [346]

Answer:

B) 2w + 3c = 9.45 AND 4w + 5c = 14.75

Step-by-step explanation:

Let us represent:

Number of water bottles = w

Number of bag of chips = c

Hence:

Samaia buys two water bottles and three bags of chips for $9.45.

2w + 3c = 9.45......Equation 1

Abdullah goes to the same store and buys four water bottles, as Samaia, and five bags of chips, same as ones Samaia bought, for $14.75.

4w + 5c = 14.75......Equation 2

Which choice below accurately represents a system of equations, w for water bottles and c for chips, for this scenario?

Option B) 2w + 3c = 9.45 AND 4w + 5c = 14.75 is the correct option.

3 0
3 years ago
Which property is best to use when combining 3/5 + 1/4 + 2/5?
elena-14-01-66 [18.8K]

Answer:

addition property

Step-by-step explanation:

Although you need to convert the fractions to have the same denominator, you can simply add them up once you converted them

8 0
3 years ago
Bob flipped a coin and got “heads” 9 times in a row! What is the probability that’s the next flip will be a “head”?
UkoKoshka [18]

Answer:

50/50 chance

Step-by-step explanation:

A coin only has 2 sides so when you flip it you will always have a 50/50 chance of landing on heads or tails

8 0
3 years ago
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