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Roman55 [17]
2 years ago
15

What is the answer for x+$4.30 =$15.00 ​

Mathematics
2 answers:
prisoha [69]2 years ago
6 0

Answer:

x = 10.7

Step-by-step explanation:

DIA [1.3K]2 years ago
4 0
X + $4.30 = 15
Let’s flip the equation to make it easier!
15 = x + 4.30
15 - 4.30 = x
10.70 = x
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Kameryn types 75 words per minute and is just starting to write a term paper. Joe already has 510 words written and types at a s
AnnZ [28]

Answer:

Kameryn will have more words typed than Joe when the number of minutes exceeds 34.

Step-by-step explanation:

Let

x -----> the number of minutes

y ----> the total words typed

we know that

<em>Kameryn</em>

y=75x -----> equation A

<em>Joe</em>

y=60x+510 -----> equation B

Solve the system of equations by substitution

Substitute equation A in equation B and solve for x

75x=60x+510

75x-60x=510

15x=510

x=34\ minutes

That means

For x=34 minutes

The amount of words written by Kameryn and Joe are the same.

therefore

For x > 34 minutes

Kameryn will have more words typed than Joe when the number of minutes exceeds 34.

6 0
3 years ago
(7x^2-2) - (2x^2 - 5x + 3)
ehidna [41]

(7x^2-2) - (2x^2 - 5x + 3)

Answer:

5(x^2+x-1)

4 0
3 years ago
The measures of the angles of a triangle are in a ratio of 7:9:10. Find the measures of the angles of the triangle
Brut [27]
So all the angles in total are going to be 180 degrees.
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10*10=100 degrees (3rd angle)
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Step-by-step explanation:

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