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Viefleur [7K]
2 years ago
14

How many solutions does the system of equations have?

Mathematics
1 answer:
Nana76 [90]2 years ago
3 0
One solution x = 1, y = 4
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PLEASE HELP ASAP I WILL MARK BRILLIANT WHOEVER ANSWERS THANKS (:
Mila [183]
The answer is 38.5 cm^2
5 0
3 years ago
Read 2 more answers
Please help me i need to turn this in soon and i don't understand
Tcecarenko [31]

circumference of the mirror = 175.84 cm

area of the mirror = 2461.76 cm²

The measure needed to find the amount of wire round the mirror is the circumference.

The measure needed to find the amount of glass needed is the area.

<h3>How to find area and circumference of a circle?</h3>

The circumference and area of a circle can be found as follows:

circumference of the mirror = 2πr

circumference of the mirror = 2 × 3.14 × 28 = 175.84 cm

area of the mirror = πr²

area of the mirror = 3.14 × 28²

area of the mirror = 2461.76 cm²

The measure needed to find the amount of wire round the mirror is the circumference.

The measure needed to find the amount of glass needed is the area.

learn more on circle here: brainly.com/question/16125353

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7 0
1 year ago
If the temperature degrees above zero are denoted by positive numbers, what does - 10 degrees denoted?
kogti [31]

Answer:

-10 degrees denotes 10 degrees below zero.

Step-by-step explanation:


3 0
3 years ago
Two airplanes, which start 3{,}3003,3003, comma, 300 miles apart, fly toward each other. The two planes fly at a constant speed,
castortr0y [4]

Answer:

distance=rate*time

2520=(r)(3)+(r+90)(3)    (they both travel for 3 hours)

2520=3r+3r+270

2520-270=6r

2250=6r

r=2250/6

r=375 mph

r+90=375+90=465 mph

Step-by-step explanation:

4 0
2 years ago
A car travels 20 1/2 miles in 2/3 of an hour. What is the average speed, in miles per hour, of thr car?
zmey [24]

Answer:

27.33333... mph

Step-by-step explanation:

Find 1/3 of 20 1/2: 1/3*41/2=41/6

That equals 6.83333...

Now add 20 1/2 and 6.83333 = 27.3333...

Therefore, 27.33333... mph

3 0
2 years ago
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