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choli [55]
3 years ago
15

Please help simplify each expression 11 points

Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0

Answer:

6. 4x

7. 3y

8. y-4.5

9. 3.5x + 2

Step-by-step explanation:

hope this helps :)

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The volume of the sphere is 500 cubic units.
Illusion [34]

Answer: 5 units

Step-by-step explanation:

3 0
3 years ago
Solve the equation, and check the solutions (√x+3)+6=3.
larisa86 [58]

Answer:

The equation has no solution.

Step-by-step explanation:

Hi there!

First, let´s write the equation:

(√x + 3) + 6 = 3

To solve the equation, let´s subtract 6 to both sides of the equation:

√x + 3 = -3

subtract 3 to both sides of the equation:

√x = -6  (the square root of any number can´t be negative, but let´s solve it anyway and then check the solution).

Square both sides of the equation:

x = 36

Now, let´s check the solution:

(√x + 3) + 6 = 3

x = 36

(√36 + 3) + 6 = 3

(6 + 3) + 6 = 3

9 + 6 = 3

15 ≠ 3

Then, the equation has no solution.

Have a nice day!

6 0
2 years ago
Help needed with these for problems
Tatiana [17]
I can't read the first one and I also don't know
4 0
3 years ago
What is the slope of the line of best fit?
Ierofanga [76]

Step-by-step explanation:

The line passes through the origin and point (30,3)

so, slope of the graph( miles per minute)= 3/30 = 1/10 miles per minute

Or, slope of the graph miles per hour

=  \frac{3}{ \frac{30}{60} }  =  \frac{3 \times 60}{30}  = 6

option B

7 0
3 years ago
If ∠8 measures 116°, what is the measure of ∠3? (Lines b and c are parallel.)
natita [175]
The first one 64 degrees
7 0
2 years ago
Read 2 more answers
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