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sergeinik [125]
3 years ago
7

Please help on this math question

Mathematics
1 answer:
Katarina [22]3 years ago
4 0
First and last ones
The " = [number] " at the end of an equation for a circle is the radius squared
So if the diameter is 12, then the radius is 6, and 36 is 6 squared
Also as long as the x term doesn't have an integer affecting it (like -3 or +5) then it'll stay on the y axis.
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Can you please help me?!
Nezavi [6.7K]

Answer:

d) x=5

Go to station 10

Step-by-step explanation:

-\left(1+7x\right)-6\left(-7-x\right)=36

Expand:

-1-7x+42+6x=36

-x+41=36

Subtract 41 from both sides:

-x+41-41=36-41

-x=-5

Divide both sides by -1:

\frac{-x}{-1}=\frac{-5}{-1}

x=5

3 0
3 years ago
Read 2 more answers
Please keep as simple as possible
Alenkinab [10]

Answer:

f(x) = (X^3 +6) + 4

Step-by-step explanation:

to move left add +6 from <u>inside</u> the parenthesis

to move up add +4 <u>outside</u> of parenthesis

<em>*since there were no parenthesis you add them*</em>

7 0
3 years ago
Read 2 more answers
Which value of x satisfies both -9x+4y=8 and -3x-y=4 given the same value of y?
Deffense [45]

The value of x satisfies both -9x + 4y = 8 and -3x - y = 4 given the same value of y is  -\frac{8}{7}

Step-by-step explanation:

The system of equations has two equations:

  • -9x + 4y = 8
  • -3x - y = 4

Let us solve the system of equations to find the value of x and substitute it in the two equations to check if it gives the same value of y in the two equations

∵ -9x + 4y = 8 ⇒ (1)

∵ -3x - y = 4 ⇒ (2)

- Multiply equation (2) by 4 to make the coefficients of y in the

  two equations have same value and different signs

∴ -12x - 4y = 16 ⇒ (3)

- Add equations (1) and (3) to eliminate y

∴ -21x = 24

- Divide both sides by -21

∴ x = -\frac{8}{7}

Let us substitute this value of x in equations (1) and (2) to find y

∵ -9( -\frac{8}{7} ) + 4y = 8

∴ \frac{72}{7} + 4y = 8

- Subtract  \frac{72}{7}  from both sides

∴ 4y = -\frac{16}{7}

- Divide both sides by 4

∴ y = -\frac{4}{7}

∵ -3( -\frac{8}{7} ) - y = 4

∴ \frac{24}{7} - y = 4

- Subtract   \frac{24}{7}  from both sides

∴ - y = \frac{4}{7}

- Divide both sides by -1

∴ y = -\frac{4}{7}

The value of x satisfies both -9x + 4y = 8 and -3x - y = 4 given the same value of y is  -\frac{8}{7}

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

5 0
3 years ago
2+3w&lt;-1&lt;3w+5<br><br><br><br><br><br>Answer please
Dafna1 [17]

2 + 3w < -1 < 3w + 5       |subtract 3w from all sides

2 < -1 - 3w < 5       |add 1 to all sides

3 < -3w < 6        |change the signs

-3 > 3w > -6      |divide both sides by 3

-1 > w > -2 → -2 < w < -1 → w ∈ (-2, -1)

7 0
3 years ago
Determine if each ordered pair is a solution to the equation. Select all that are true.
Ann [662]

Answer:

Step-by-step explanation:

6 0
3 years ago
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