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2 years ago

Which would be a solution to 2x + 3y =5 answer choice (5,5) (1,,2) (1,1) (2,5)

Mathematics

1 answer:

sergiy2304 [10]2 years ago

8 0

Answer:

(1, 1)

Step-by-step explanation:

if you do not want to graph it then you can substitute 'x' and 'y' values and check:

does 2(5) + 3(5) equal 5? NO

does 2(1) + 3(2) equal 5? NO

does 2(1) + 3(1) equal 5? YES

does 2(2) + 3(5) equal 5? NO

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A circular plate has circumference 21.4 inches. What is the area of this plate? Use 3.14 for pi.

Brut [27]

Answer:

The area of this plate is $36.31\ \text{inches}^2$ .

Step-by-step explanation:

We have,

Circumference of a circular plate, C = 21.4 inches

The circumference of a circular shape is given by :

$C=2\pi r$

r is radius of circular shape

$r=\dfrac{C}{2\pi}\\\\r=\dfrac{21.4}{2\times 3.14}\\\\r=3.4\ \text{inches}$

Area of this plate is given by :

$A=\pi r^2\\\\A=\pi (3.4)^2\\\\A=36.31\ \text{inches}^2$

So, the area of this plate is $36.31\ \text{inches}^2$ .

8 0

3 years ago

Can someone explain this? and what are the answers- :'_

Sunny_sXe [5.5K]

Answer:

1) b=-1.6 2) g=3 3) x=0.8 4) w=4.9 5) p=-16.2 6) y=9.2

Step-by-step explanation:

Use inverese operations to isolate variables ex. x+4=2

x times 2 = 6 -4

/2 x=-2

x=3

4 0

3 years ago

Guys I need your help

vesna_86 [32]

Answer:

5x - 2 = 3x = 14

8x -2 = 14

8x = 14 + 2

8x = 16

x = 2

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Myesha finds some nickels and quarters under the couch cushions. How many coins does she have if she has 6 nickels and 12 quarte

Advocard [28]

If Myesha found 6 nickels and 12 quarters under her cushion, this means that she has a total of 18 coins.

<h3>What is an equation?</h3>

An equation is an expression used to show the relationship between two or more variables and numbers.

Let x represent the number of nickels and y represent the number of quarters. There are 2 cups in 1 pint. Hence:

If she has 6 nickels and 12 quarters:

Number of coins = 12 + 6 = 18

If she has x nickels and y quarters:

Number of coins = x + y

If Myesha has 6 nickels and 12 quarters, this means that she has 18 coins.

Find out more on equation at: brainly.com/question/2972832

8 0

2 years ago

Please please help me!!!!!

Tamiku [17]

Your just multiplying 7 and 10, so your answer is gonna be B.

6 0

3 years ago