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Veronika [31]
3 years ago
5

The circumference of a circle is 251.2 millimeters. What is the circle's diameter? Use 3.14 for it.​

Mathematics
1 answer:
Bas_tet [7]3 years ago
3 0

Answer:

80

Step-by-step explanation:

divide the circumference (251.2) by pi (3.14) and get 80

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How many photons with 10 ev are required to produce 20 joules of energy?
alexira [117]
1 joule = 6,242e+18ev

20 joule = 20 joule *6,242e+18 ev/joule =1,248e+20 ev

1,248e+20 ev / (10 ev / photon) =1,248e+19 photons.



7 0
3 years ago
Look at the graph shown<br> Which equation best represents the line?
Brilliant_brown [7]

y=\frac{11}{4}x +4 is the equation best represents the line.

Solution:

Take any two points on the line.

Let the points be (0, –4) and (4, 7).

x_1=0,y_1=-4,x_2=4, y_2=7

General form of equation of a line is y = mx + c

where m is the slope and c is the y-intercept of the line.

<em>y-intercept is the point which line crosses at y-axis.</em>

In the given line, y-intercept is 4.

c = 4

Slope of the line:

$m=\frac{y_2-y_1}{x_2-x_1}

$m=\frac{7-(-4)}{4-0}

$m=\frac{11}{4}

Equation of the line:

y = mx + c

y=\frac{11}{4}x +4

Hence y=\frac{11}{4}x +4 is the equation best represents the line.

5 0
3 years ago
State the slope and y-intercept for the graph of the equation y=-3x+5
Olin [163]

Answer:

slope: -3

y-intercept: 5

Step-by-step explanation:

y=mx+b, where m=slope and b=y-intercept

6 0
3 years ago
Read 2 more answers
Please answer according to the picture.
katen-ka-za [31]
-4 and 2 are the solutions, since that is where they intercept the x axis, and when plugged into the equation, make it true.
6 0
3 years ago
Hello I need help jsjdbdjdjdjdkdkd
Alexandra [31]

I'll assume the question is: what's the volume?


It's two L×W×H rectangular prisms (aka boxes) put together

The bottom one is 2×3×4

The top one is 5×4×1

Volume = 2×3×4 + 5×4×1 = 24 + 20 = 44

Answer: 44 cubic feet


3 0
3 years ago
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