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Sauron [17]
3 years ago
15

How to do two step equations simple please help and you can do the example on this one: 2x+5=21

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
4 0

Answer: The answer here is x=2

Step-by-step explanation:

This is a linear equation, take 5x to other side ut will change a sign then solve for x.

2x+5=21

2x=21-5

2x=16

Lastly divide by 2 both sides to get 2

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A restaurant offers a combo special with 3 different sandwiches, 2 different salads, and 5 different drinks. From how many diffe
m_a_m_a [10]

Answer:

30 ways

Step-by-step explanation:

Given the following information:

  • 3 different sandwiches
  • 2 different salads
  • 5 different drinks

Let assume that the combo contains:  1 sandwich, 1 salad, and 1 drink

Hence, we have:

  • The total possible ways of choosing sandwiches she can choose is: 3
  • The total possible ways of choosing salads she can choose is: 2
  • The total possible ways of choosing drinks she can choose is: 5

=> Total ways = 3*5*2 = 30 ways or there are 30 different combos Keisha can choose

Hope it will find you well.

5 0
3 years ago
A. 16
kogti [31]

9514 1404 393

Answer:

  C.  8√3/3

Step-by-step explanation:

It can be useful to remember that the ratio of sides in a 30°-60°-90° triangle are ...

  1 : √3 : 2

That is the short leg is 1/√3 times the length of the longer leg.

 8(1/√3) = 8(√3/3) . . . . . matches choice C

6 0
3 years ago
The heights of the mountains in a mountain range are less than 20,000 feet. Write an inequality to represent the heights of the
timurjin [86]

Answer:

D, far apart from each other.

Step-by-step explanation:

6 0
3 years ago
Q20<br> y varies directly as the square of (x – 3).<br> y= 16 when x=1.<br> Find y when x= 10.
enot [183]
-56


Mark brainliest please


Hope this helps you
3 0
3 years ago
Determine the equation of the line passing through the points (3,1) and (5,−1).
katrin [286]

Answer:

y=-x+4

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-1-1)/(5-3)

m=-2/2

m=-1

y-y1=m(x-x1)

y-1=-1(x-3)

y-1=-x+3

y=-x+3+1

y=-x+4

5 0
3 years ago
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