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sp2606 [1]
3 years ago
10

The sum of two numbers is 25. Create an equation using two variables that represents this situation.

Mathematics
2 answers:
dmitriy555 [2]3 years ago
4 0

Answer:

x+y=25

Step-by-step explanation:

lyudmila [28]3 years ago
3 0

Answer:

it could be multiple things it depends what its really asking, id say X+11=25

Step-by-step explanation:

X+11=25

X=14

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When three times the sum of a number and seven is increased by ten, the result is four. What is the number ?
densk [106]

Answer:

x=9   :))

Step-by-step explanation:

First set up your equation.

"3 times" is multiplication

"THE SUM of A NUMBER and seven" that is parenthesis because of the multiplication before it

"is increased by ten" that is an addition at the end

Now we have 3(x+7)+10=4

Solve your equation!

Distribute the 3 now we have 3x+21+10=4

Add like terms

now it should look like this... 3x+31=4

Subtract 31 from both sides and it looks like...

3x=27

Divide by the x-value

x=9

4 0
3 years ago
What is 2x22x2x2x2x2x2x2x2
Natali [406]
= 2^8 * 22
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4 0
3 years ago
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A 45 foot ladder is leaning against a building. If the bottom of the ladder is 27 feet from the base of the building, how tall i
taurus [48]

Answer:

The height of building to the nearest foot is h = 36 foot

Step-by-step explanation:

We have given,

Length of ladder leaning against a building, l = 45 foot

Bottom length between ladder and the building , b = 27

Now, we need to find the height of building to the nearest foot.

Let the height of building be h.

Using Pythagoras theorem,

l^{2} = b^{2} +h^{2}

Here, l = 45 , b = 27 and h =?

So,

45^{2} = 27^{2} +h^{2}

h² = 45² - 27²

h = √(45² - 27²)

h = 36

The height of building to the nearest foot is h = 36 foot

8 0
2 years ago
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Vesnalui [34]

Answer:

Step-by-step explanation:

6 0
2 years ago
After substituting, what is the first operation performed when evaluating 5+(9x-3)+2 for x = 5?
Anarel [89]

Answer:

Multiplication

Step-by-step explanation:

Follow PEMDAS, so first you would sub in the 5 then work in the parentheses so you would multiply the 5

4 0
3 years ago
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