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Neko [114]
3 years ago
7

Find the value of x.

Mathematics
1 answer:
stealth61 [152]3 years ago
6 0

Answer: x=67,5

Step-by-step explanation: 45 + x + x = 180 --> x=67,5

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Mr. Franklin asked each of his 30 students to
denpristay [2]

Answer:

B) 14

Step-by-step explanation:

1/5 + 1/3 = x (don't worry, it's not algebra, I'm just using x as an example)

The common denominator is 15, so you multiply 5 by 3 = 15 and 1 by 3 = 3,

3/15 = 1/5

Then, multiply 3 by 5 = 15 and then 1 by 5 = 5, so it's

5/15 = 1/3

5/15 + 3/15 = 8/15 and then multiply 15 by 2 = 30 (number of students) and because you multiplied 15 by 2, you also multiply 8 by 2 = 16

So it is now 16/30, so you do 30-16 which is 14.

14 students chose Station M (doesn't sound like a good station).

Whoo! Let's go! (I'll stop being cringy now).

6 0
3 years ago
Read 2 more answers
Math Help. Greatly Appreciated
Triss [41]
So we know that the perimeter is 1260 feet and that the length is 100 more than the width, but we don't know that the width is.
So we're going to start with finding the width.
w = (x + x + 100) = 1260
from there we need to combine like terms
x + x = 2x
now we have
2x + 100  = 1260
From there, we will need to remove 100 from both sides, leaving us with
2x = 1160
now we'll need to divide both sides by 2
2x \div 2x = x
1160 \div 2 = 580
We now know that the width is 580, or more simply put, x=580.

Finding the length will be the easy part, as we know that it is just 100 more than the width
580 + 100 = 680
If you want an easier way of finding the length, just subtract the width from the perimeter.
1260 - 580 = 680
Leaving the final answer to be
Width = 580
Length = 680

3 0
3 years ago
18 students are going on a field trip the bus can fit 14 so four of them will have to ride in a car and how many ways can we cho
Lostsunrise [7]

Answer:

Number of ways we can choose the four students who must ride in the car = 3060 ways

Step-by-step explanation:

This is a combination question.

The number of selections of "r" objects from the given "n" objects is denoted by;

C(n,r), and is given by;

C(n, r) = n!/[r!(n - r)!]

In this question, n = 18 and r = 4

Thus;

C(18, 4) = 18!/[4!(18 - 4)!]

C(18,4) = 3060

Number of ways we can choose the four students who must ride in the car = 3060 ways

4 0
3 years ago
plant a is 4.7 centimeters tall and growing at the rate of 3.5 centimeters a month. plant b is 5.2 centimeters tall and growing
olga55 [171]

Answer:

Do you still need the answer?

Step-by-step explanation:

Huh?

3 0
3 years ago
Help me pleasee..........
frozen [14]

Answer:

V is 60 degree because the v is in the line of 60

5 0
4 years ago
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