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NemiM [27]
3 years ago
10

Help. Math is the worstttt

Mathematics
1 answer:
Vlada [557]3 years ago
4 0

Answer:

I agree, also i think the answer is 15 :)

Step-by-step explanation:

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To rent a certain meeting room, a college charges a reservation fee of $18 and an additional fee $5 of per hour. The chemistry c
julsineya [31]

Answer:

You need the minimum cost for renting the meeting room given the following info

Reservation Fee = $18

Hourly Rate = $5

The renter wants to keep the cost below $58

So the cost will vary with the time, t you use the inequality below

5t + 18 ≤ 58

You can solve this to get that minimum

You can check you answer by graphing it.

I hope this helps!<3

3 0
2 years ago
When i was 18 years old, my sister was half my age. Now I am 82 years. How old is my sister now?​
iVinArrow [24]

Answer:

41 \:  \:  \: years \:  \:  \: old

Step-by-step explanation:

me \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: sis \\ 18 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: 9 \\ 82 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  x \\  \\ use \:  \: cross \: \\  multipaction \\ \\  18x = 82 \times 9 \\ 18x = 738 \\  \frac{18x}{18}  =  \frac{738}{18}  \\ x = 41

4 0
3 years ago
Read 2 more answers
At Silver Gym, membership is $25 per month, and personal training sessions are $40 each. At Fit Factor, membership is $75 per mo
ludmilkaskok [199]

Answer:

5

Step-by-step explanation:

You start with each membership for each gym as your starting point, then you add the personal sessions to that number.

Silver Gym: 25 65 105

Fit Factor: 75 105

As you can see, it will take Sarah 5 sessions to have both costs equal

4 0
2 years ago
9 litre 250 millilitre change to fraction litre.Can I know how?
MissTica
There are 1000 milliliter in 1 liter . 
250 milliliters = 250/1000  = 1/4 liter

9 L 250 mL  = 9 1/4 liters
3 0
2 years ago
A survey conducted in July 2015 asked a random sample of American adults whether they had ever used online dating (either an onl
Nadusha1986 [10]

Answer: (0.081,\ 0.163)

Step-by-step explanation:

Let \hat{p} be the sample proportion.

As per given , we have

n= 411

\hat{p}=\dfrac{50}{411}=0.121654501217\approx0.122

Standard error : se=0.016

Critical value for 99% confidence : z_{\alpha/2}=2.576

Confidence interval for population proportion :-

\hat{p}\pm z_{\alpha/2} (se)\\\\=0.122\pm (2.576)(0.016)\\\\=0.122\pm0.041216\\\\=(0.122-0.041216,\ 0.122+0.041216)\\\\=(0.080784,\ 0.163216)\approx(0.081,\ 0.163)

Hence, the 99% confidence interval for the proportion of all US adults ages 55 to 64 to use online dating : (0.081,\ 0.163)

8 0
3 years ago
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