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nlexa [21]
3 years ago
7

For an equation 9-3x=21, the first step is

Mathematics
2 answers:
g100num [7]3 years ago
5 0

Answer: A.Subtract 9 from both sides

Step-by-step explanation:

Answer A: Subtract 9 from both sides

Explanation: You want to solve the x from this equation, then the first thing is to put the number that has no valiable x to the other sides, so in this equations, we want to move 9 to the right side, so we subtract 9 from both sides.

saw5 [17]3 years ago
5 0

Answer:

A. Subtract 9 from both sides

Step-by-step explanation:

It is the "<u>Correct Answer</u>"

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Help meeeeeeeeeeeeeeee<br> 1/2=2m m=
musickatia [10]

Answer:

.25

Step-by-step explanation:

5 0
2 years ago
What is the ratio 16 to 40 written as a fraction in lowest terms? plz help 50 points
Luda [366]

Answer:- \frac{2}{5}

Step-by-step explanation:

The given ration is 16 :40

In fraction, the above ratio can be written as : \frac{16}{40}

To write the above fraction in lowest terms, we need to divide the numerator and the denominator by the greatest common divisor.

Since, 16=2\times8\\40=5\times8, Hence, 8 is the greatest common divisor of 16 and 40.

Now, divide the numerator and denominator by 8, we get

\frac{16}{40}=\frac{2}{5}

3 0
3 years ago
3 quick algebra 1 questions for 50 points!
Goshia [24]

#1

  • h(t)=-16t²+58t+2

h(2.5)

  • -16(2.5)²+58(2.5)+2
  • -16(6.25)+145+2
  • 147-100
  • 47ft

After 2.5s the ball was at 47ft

#2

  • g(x)=x²-9

g(0)

  • -9

g(4)

  • 4²-9=16-9=6

g(7)

  • 7²-9
  • 49-9
  • 40

Range

  • {-9,6,40}

#3

  • f(-3)=5
  • f(0)=0
  • f(1)=-3

5 0
2 years ago
Wich set of ordered pairs does not represent a function.<br> Please help.
pantera1 [17]

Answer:

D.

Step-by-step explanation:

A function has to have only one y-value for every x-value. This means that D is not a function because it contains (6,2) and (6, 4), which means that there are 2 different y-values for the x-value of 6.

7 0
2 years ago
Use x=3x=3x, equals, 3 to identify the value of each expression.
Serjik [45]

This question does not make sense. There cannot be that many equal signs.

x + 3x + 3x = 3

x = 3/7

8 0
3 years ago
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