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lisov135 [29]
3 years ago
13

What is the value of x in the equation x – y = 30, when y = 15

Mathematics
2 answers:
olga55 [171]3 years ago
8 0
  x - y = 30
x - 15 = 30
  + 15  + 15
      x = 45
Mekhanik [1.2K]3 years ago
6 0
The answer is 45 because 45-15=30, therefore x=45.
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In a club there are 7 boys and 8 girls.write the ratio of boys to girls in 3 different ways
torisob [31]

Answer:

8:7

8 to 7

8/7

3 ways yep

3 0
3 years ago
Five less than one fourth of x is y written out
zalisa [80]
1/4x - 5= y
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7 0
2 years ago
Ng Order of Operations George has $15. He would like to know if he has enough money to see a movie ($9.00) and buy a pretzel ($2
UNO [17]

Answer:

No, George does not have enough money to buy everything.

The correct expression is:

15 - 9 - 2.65 - 1.35 - 2(1.74)

Step-by-step explanation:

Given that:

Money present with George initially = $15

Money required to see the movie = $9

Money required to buy a pretzel = $2.65

Money required to buy a drink = $1.35

Money required to buy 2 veggie cups = $2(1.74)

To find:

Whether there is enough money with George to complete all the tasks.

Solution:

First of all, let us calculate all the money required and then we can subtract all the money from the initial amount to find whether there is enough money present with George.

If the result is in positive, there is enough money with George.

Total money required for all the activities = $9 + $2.65 + $1.35 + $2(1.74) = $16.48

Expression = $15 - $16.48 = -$1.48

The result is negative, therefore there is not enough money.

The correct expression is:

15 - 9 - 2.65 - 1.35 - 2(1.74)

5 0
3 years ago
Square root of 75 plus square root of 3
olya-2409 [2.1K]
Answer:
6√3

Explanation:
Before we begin, remember the following:
\sqrt{a*b} = \sqrt{a}  *  \sqrt{b}
m \sqrt{a} + n \sqrt{a}  = (m+n) \sqrt{a}

Now, for the given:
75 can be written as 25*3
This means that:
\sqrt{75} = \sqrt{25*3}
Applying the above concept, we can find that:
\sqrt{75} = \sqrt{25*3} = \sqrt{25}  *  \sqrt{3}
Now, we know that:
√25 = 5 (we ignored the negative value)

This means that:
√75 = 5√3

Finally, we can compute the needed sum as follows:
√75 + √3 = 5√3 + √3 = 6√3

Hope this helps :)

8 0
3 years ago
Read 2 more answers
How do you slope question right here
alexandr402 [8]

Answer:

slope : 4/5

y intercept : (0, -3)

Step-by-step explanation:

3 0
2 years ago
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