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Vinvika [58]
3 years ago
14

What does 3x^2+8x-10 equal?

Mathematics
2 answers:
blsea [12.9K]3 years ago
5 0

Answer:

0.927

Step-by-step explanation:

just plug it in to a algebraric calculator!

Vikki [24]3 years ago
5 0
The Answer would be:
0.927
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The width of a singles tennis court is 75% of the width of a doubles court. A doubles court Is 36 feet wide. How wide is a singl
yuradex [85]

Answer:

width of a singles court = 27 feet

Step-by-step explanation:

Width of a doubles tennis court = 36 feet

Width of a singles tennis court = 75% of 36

width = 75\% \times 36 \\ width =  \frac{75}{100}  \times 36 \\ width =  \frac{3} {4}  \times 36 \\ width =  \frac{108}{4}  = 27

8 0
3 years ago
8=16+8n (can you show rhe solving steps too please?)
irakobra [83]

Answer:

Step-by-step explanation:

8=16+8n

8-16=16-16+8n

-8=8n

-8/8=8n/8n

-1=n

7 0
3 years ago
Read 2 more answers
How do I do this? It is a regular hexagon with a height of 30. We have to find the perimeter of it.
Sliva [168]

Answer:

The radius of a hexagon is called the apothem, which in this case is 15.

We need to know the side length which is found by the equation:

side length = apothem * 2 * (tan (180 / #sides))

side length = apothem * 2 * (tan (180 / 6))

side length = 15 * 2 * (tan (30 degrees))

side length = 30 * .57735

side length = 17.3205

We need the perimeter of the hexagon which equals the side length times six.

perimeter = 6 * 17.3205 = 103.923

Source: https://www.1728.org/polygon.htm

Step-by-step explanation:

8 0
3 years ago
If 3(r+300)=6, then what would be the value of r+300-2?
saveliy_v [14]

Solve for r in the first equation:

3(r+300) = 6

Use the distributive property:

3r + 900 = 6

Subtract 900 from both sides:

3r = -894

Divide both sides by 3:

r = -894 / 3

r = -298

Now you have r, replace r in the second equation and solve:

r +300 -2 =

-298 + 300 - 2 = 0

The answer is 0.

6 0
3 years ago
Solve. Use the strategy "work backward."
cestrela7 [59]

Let that be x

ATQ

\\ \rm\Rrightarrow 3x-6/5=9

Arrange accordingly to work backwards(Every thing is reversed)

\\ \rm\Rrightarrow 9(5)+6/3=x

\\ \rm\Rrightarrow 45+6/3=x

\\ \rm\Rrightarrow 51/3=x

\\ \rm\Rrightarrow x=17

.

8 0
2 years ago
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