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kramer
3 years ago
12

Can you find a number that satisfy the following property?

Mathematics
2 answers:
pav-90 [236]3 years ago
4 0

Answer:

Let the no. be x

then according to the question,

(x \times 2) + 4 = 3x - 7

2x - 3x =  - 7 - 4 \\  =  >  - x =  - 11 \\  =  > x = 11

Morgarella [4.7K]3 years ago
3 0

Answer:

11

Step-by-step explanation:

Let the number be x.

Then by the question,

2x+4 = 3x-7

x=11

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Samantha read 22 books in 4 months. How many books would she read in 10 months?
kari74 [83]

Well first let's find out how many books she reads in 1 month.
1) 22 (books) ÷4 (months)=5.5 she reads 5.5 books in one month.
Now we multiply 5.5 by the amount of months she will be reading.
2) 5.5 (books) ×10 ( months)=55 books
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8 0
4 years ago
In London today, four times the high temperature was more than twice the high temperature plus
4vir4ik [10]

Answer:

Let's define the high temperature as T.

We know that:

"four times T, was more than 2*T plus 66°C"

(i assume that the temperature is in °C)

We can write this inequality as:

4*T > 2*T + 66°C

Now we just need to solve this for T.

subtracting 2*T in both sides, we get:

4*T - 2*T > 2*T + 66°C - 2*T

2*T > 66°C

Now we can divide both sides by 2:

2*T/2 > 66°C/2

T > 33°C

So T was larger than 33°C

Notice that T = 33°C is not a solution of the inequality, then we should use the symbol ( for the set notation.

Then the range of possible temperatures is:

(33°C, ...)

Where we do not have an upper limit, so we could write this as:

(33°C, ∞°C)

(ignoring the fact that ∞°C is something impossible because it means infinite energy, but for the given problem it works)

4 0
3 years ago
In two or more complete sentences explain how you would set up and solve the following equation: Peter opened his account with $
Lilit [14]
What you would do is you would keep subtracting (I recommend a calculator for this task) from both accounts until you get an equal amount for each. You would also have to record this down that way you know each time what you got. (And please do not put the calculator part). Really hope this helps!!!

4 0
3 years ago
Can you please help me?
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<em>So</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>9</em>

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3 0
3 years ago
Mrs. Carter has 4 boxes of colored chalk. There are 30 pieces of chalk in each box.
Tasya [4]

Answer:

120

Step-by-step explanation:

30 x 4 = 120

4 0
3 years ago
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