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kotegsom [21]
3 years ago
13

I will mark you

Mathematics
1 answer:
Nana76 [90]3 years ago
7 0

Answer:

Yes, because the x's do not have more than one y.

Step-by-step explanation:

x      y

0      0

5       10

6       12

10     20

(That's meant to be a table). Looking at the x and y table values, you can see that none of the x's have two y's. So, this relation is a function.

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2x + 19 and x + 23 are alternate exterior angles. What is the value of x? *
Mamont248 [21]

Answer:

4

Step-by-step explanation:

2x+19=x+23

We simplify the equation to the form, which is simple to understand

2x+19=x+23

We move all terms containing x to the left and all other terms to the right.

+2x-1x=+23-19

We simplify the left and right sides of the equation.

+1x=+4

We divide both sides of the equation by 1 to get x.

x=4

5 0
2 years ago
Two towns are 80km apart. Sylvia wants to drive from one town to the other in exactly one hour. For the first 30minutes she driv
Varvara68 [4.7K]

Answer:

100 km/hr

Step-by-step explanation:

First Leg:

Speed = 60 km/h

Time = 30 min = 0.5 h

1st leg distance = speed x time = 60 km/hr x 0.5hr = 30 km

Second Leg:

Distance remaining = 80 km - 30 km = 50 km

Time = 30 min = 0.5 h

speed = distance / time = 50 / 0.5 = 100 km/hr

5 0
3 years ago
For his book report, Bobby made color copies and black-and-white copies. The black-and-white copies cost $2.75 in all. The color
AfilCa [17]
4.03-2.75=1.28

1.28 divided by 0.08 is 16

He made 16 color copies.
8 0
3 years ago
Using the formula C=2TTr, find the circumference of a circle with a diameter of 28 in. round your answer to the nearest inch
slava [35]

radius = diameter/2

so 28/2=14

 using 3.14 for PI

2*3.14*14 = 87.92 = 88 inches

3 0
3 years ago
Read 2 more answers
Solve<br> 2(x+4)= 20<br> Solve this please
Natasha2012 [34]
2x+8=20
2x=20-8
2x=12
12/2=x
6=x
6 0
2 years ago
Read 2 more answers
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