3 years ago

Help me out here please

Mathematics

1 answer:

Paraphin [41]3 years ago

5 0

Answer:

They came to different conclusions because if you graph n+10 and 2n+3, eventually 2n+3 will surpass n+10 (see picture for diagram). Since they both plugged in different numbers for n, they received different answers to the question.

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On Tuesday James bought seven CDs. On Wednesday half of all the CDs that he had were destroyed. On Thursday he had 12 left. How

Sauron [17]

Answer:

He have 17 CDs on Monday.

Step-by-step explanation:

Given:

On Tuesday James bought seven CDs. On Wednesday half of all the CDs that he had were destroyed. On Thursday he had 12 left.

Now, to find the CDs he have on Monday.

Let the CDs he have on Monday be $x.$

So, on Tuesday as James bought 7 CDs:

$x+7.$

Now, on Wednesday half of all the CDs that he had were destroyed:

$\frac{x+7}{2}$

As, given on Thursday he had left CDs = 12.

According to question:

$\frac{x+7}{2}$ $=12$

Multiplying both sides by 2 we get:

$x+7=24$

Subtracting both sides by 7 we get:

$x=17.$

Therefore, he have 17 CDs on Monday.

7 0

4 years ago

Salma sang 4 songs each song was 5/8 minutes long for how much time did she sing in total?

ikadub [295]

Answer:

2 1/2 minutes

Step-by-step explanation:

5/8 + 5/8 + 5/8 + 5/8

20/8

2 and 4/8 minutes

5 0

4 years ago

What system of linear inequalities is shown in the graph? 35 points

olga2289 [7]

$y < 2x - 3$
$y \geqslant \frac{ - 1}{2}x + 2$

3 0

3 years ago

Zoe went on a shopping trip to Fairfax. She purchased a barbecue grill originally priced at $600 but discounted 50%. If sales ta

sergey [27]

Answer:

The total cost is $345

Step-by-step explanation:

Zoe purchased a barbecue grill originally priced at $600

Discount % = 50%

So, cost after discount = $600-50\%(600)$

Cost after discount =300

Sales tax in Fairfax is 15%

So, cost including tax = 300+0.15(300)

Cost including tax = 345

Hence The total cost is $345

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3 years ago

A survey about the art program at a school found that 250 students wanted an after-school art program, 150 students wanted art c

Harman [31]

250 out of 500 students is going to give you 0.5. After that you will need to multiply that number by 360. your equation will look something like this: 0.5 x 360 = 180
your welcome! :)

8 0

3 years ago