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Naya [18.7K]
2 years ago
5

That is not any help at all!!

Mathematics
1 answer:
vivado [14]2 years ago
8 0

what is the problem

You might be interested in
If 3 is added to twice a number, the result is 17. Find the number
Crank

Answer:

7

Step-by-step explanation:

The text of this expression is:

"If 3 is added to twice a number, the result is 17. Find the number"

Let's call x the number we want to find.

Twice the number is equal to

2x

So, if we add 3 to 2x, we get

3+2x

And we know that this is equal to 17:

3+2x=17

Now we can solve the equation to find x: first, we subtract 3 from both sides

3+2x-3=17-3\\2x=14

Now we divide both sides by 2:

\frac{2x}{2}=\frac{14}{2}\\x=7

7 0
2 years ago
A silversmith combined pure silver that cost $33.48 per ounce with 51 oz of a silver alloy that cost $24.35 per ounce. How many
Pavlova-9 [17]

Answer:

$38.31

Step-by-step explanation:

Given:

Pure silver that cost $33.48 per ounce used to form $24.35 alloy/ounce.

Question asked:

How many ounces of pure silver were used to make an alloy of silver costing $27.87 per ounce?

Solution:

At cost $24.35/ounce, pure silver is mixed = $33.48

At cost $1/ounce, pure silver is mixed = \frac{33.48}{24.35}

At cost $27.87/ounce, pure silver is mixed = \frac{33.48}{24.35}\times 27.87 = \frac{933.08}{24.35}  = 38.31

Thus, $38.31 ounces of pure silver were used to make an alloy of silver costing $27.87 per ounce.

5 0
3 years ago
PLEASE HELP FAST
Rzqust [24]

Answer:

a)2 is a factor of 12

Step-by-step explanation:

8 0
3 years ago
What’s the slope of the line that goes through (9,9) and (-8,9) ?
denpristay [2]

Answer:

0

Step-by-step explanation:

9-9/9--8

0/17

0

5 0
3 years ago
The domain for f(x) and g(x) is the set of all real numbers.
Tom [10]

Answer:

Option B

Step-by-step explanation:

=> f(x) = 3x+5

=> g(x) = x^2

Subtracting both

=> (f-g)(x) = 3x+5-x^2

Assembling

=> (f-g)(x) = -x^2+3x+5

3 0
2 years ago
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