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3 years ago

Which ordered pairs are solutions to y = x + 1?

Mathematics

1 answer:

Veronika [31]3 years ago

3 0

Answer:

A. ( 0, 1 ), ( 1, 2 ), ( 2, 3 )

Step-by-step explanation:

( x, y ) = ( 0, 1 )

Here,

x = 0

y = 1

y = x + 1

1 = 0 + 1

1 = 1

( x, y ) = ( 1, 2 )

Here,

x = 1

y = 2

y = x + 1

2 = 1 + 1

2 = 2

( x, y ) = ( 2, 3 )

Here,

x = 2

y = 3

y = x + 1

3 = 2 + 1

3 = 3

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Just want to know what is 21x+2

slavikrds [6]

Answer:

21x+2

Step-by-step explanation:

You don't know what the value of x is you can't solve the expression

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3 years ago

A baker uses 3 cups of flour to make each cake. If f represents the total amount of flour, which equation models this situation?

Roman55 [17]

Answer:

f=3n, where n is the number of cakes.

Step-by-step explanation:

Yes, the equation f=3n, where n is the number of cakes, models the situation.

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4 years ago

Max built a skateboarding ramp that is 16 inches high. The angle formed by the ramp and the ground is 21 . What is the length of

natali 33 [55]

Answer:

41.68 or 42 (rounded)

Step-by-step explanation:

Presuming you are working on right triangles, you can use the Soh Cah Toa theorems.

Because angle A = 21 and side a = 16 you can use Toa or $A=\frac{a}{x}$

$21=\frac{16}{x}$

Plugged into a calculator, you get 41.68 and some change.

If this is NOT a right triangle question, please let me know so that I can revise my answer.

6 0

3 years ago

What is (2,7) rotated 90% clockwise

ohaa [14]

Answer:

The required point is, (7, -2)

Step-by-step explanation:

The straight line passing through (0,0) and (2,7) is,

y = $(\frac {7 -0}{2-0}) \times x$

⇒ y = 3.5x --------------(1)

Now, the straight line perpendicular to this line and passing through (0, 0) is

y = $(\frac {-1}{3.5}) \times x$

⇒ 7y + 2x = 0 -------------(2)

Let, (h,k) be the required point.

then, it is on the line 7y + 2x = 0

⇒7k + 2h = 0

⇒k = $(\frac {-2}{7}) \times h$ ------------(3)

Again, distance from (0,0) of (h, k) is same as that of (2,7)

⇒ $h^{2} + k^{2} = 4 + 49 = 53$

⇒ $h^{2} \times (\frac {53}{49})$ = 53 [putting the value of k from (3)]

⇒ $h^{2}$ = 49

⇒h = 7 [since, (h,k) is in 4th quadrant, so,h >0]

So, k = -2 [putting the value of h in (3)]

So, the required point is, (7, -2)

5 0

3 years ago

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mina [271]

Answer:

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Step-by-step explanation:

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3 years ago