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2 years ago

What does x equal? A. 4 B. 2 C. -2

Mathematics

2 answers:

klemol [59]2 years ago

5 0

..............

B . 2

..............

olasank [31]2 years ago

4 0

Answer:

i.d.k

Step-by-step explanation:

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ololo11 [35]

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3 years ago

Find the area under the standard normal curve between z=0.45 and z=1.13

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Step-by-step explanation:

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3 years ago

Read and choose the correct words for the blank that match the image. (1 point) A cook using pepper on food cooking in a pan Me

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Answer:

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Step-by-step explanation:

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2 years ago

Three roots of a polynomial equation with real coefficients are 3, 5 – 3i, and −3i. Which of the following numbers must also be

Leviafan [203]

Answer is D (−3, 5 + 3i, and 3i)

4 0

3 years ago

There are premium tickets costing $99 each and rest are regualr tickets costing $25 each. A pile of 120 tickets have a total val

polet [3.4K]

Answer:

There are 38 premium tickets and 82 regular tickets in a pile.

Step-by-step explanation:

Given,

Total number of tickets = 120

Total amount = $5812

Solution,

Let the number of premium tickets be x.

And the number of regular tickets be y.

Total number of tickets is the sum of total number of premium tickets and total number of regular tickets.

So the equation can be written as;

$x+y=120\ \ \ \ \ equation\ 1$

Again,total amount is the sum of total number of premium tickets multiplied by cost of each premium ticket and total number of regular tickets multiplied by cost of each regular ticket.

So the equation can be written as;

$99x+25y=5812\ \ \ \ equation\ 2$

Now We will multiply equation 1 by 25 we get;

$x+y=120\\25(x+y)=120\times25\\25x+25y= 3000 \ \ \ \ equation\ 3$

Now Subtracting equation 3 from equation 2 we get;

$(99x+25y)-(25x+25y)=5812-3000\\\\99x+25y-25x-25y=2812\\\\74x=2812\\\\x=\frac{2812}{74}=38$

We will now substitute the value of x in equation 1 we get;

$x+y=120\\38+y=120\\y=120-38\\y=82$

Hence There are 38 premium tickets and 82 regular tickets in a pile.

3 0

3 years ago