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Liono4ka [1.6K]
2 years ago
8

Find the slope and the y-intercept of the graph of y-1 = 3x + 8.4.

Mathematics
2 answers:
Paha777 [63]2 years ago
8 0
The slope is 3 and the y-intercept is (0, 9.4)
____ [38]2 years ago
6 0

Step-by-step explanation:

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Louren measures the distance around her circular mirror to
Veseljchak [2.6K]

Answer:

53 cm.

Step-by-step explanation:

Circumference = pi times diameter

We are trying to find diameter so rearrange

Circumference/pi = diameter

166.5/pi = 52.998596

Approximately 53 centimeters of lace

3 0
3 years ago
Martha is late for class, so she races her 75 kg body up a 4.0 meter flight of stairs in only 2.3 seconds. What is Martha’s powe
vovangra [49]

Answer:

1.3\cdot 10^3\text{ J}

Step-by-step explanation:

Power is defined by work over time. In physics, work can be defined as the energy transferred over from an applied force over some distance. As a formula:

W=Fd, where F = force applied and d = distance that force is applied over.

*It is worth noting that F must be parallel to the distance travelled. If it is perpendicular, no work is done, and if it is at an angle, find the parallel component and use that for F.

In this case, the force applied must counter the force of gravity on Martha, which is given by F_g=mg, where m = Martha's mass and g = gravitational constant 9.8 m/s/s. Therefore, F_g=75\cdot 9.8=735\text{ N}. Since she raises her body 4.0 meters, the work done must be W=Fd=735\cdot 4=2940\text{ J}.

Since power is equal to work over time and t = 2.3 seconds, we have:

\displaystyle P=\frac{W}{t}=\frac{2940}{2.3}=\boxed{1278\text{ J}}\approx \boxed{1.3\cdot 10^3\text{ J}} (to two significant figures)

7 0
1 year ago
Write an equation, in point-slope form, for the line that passes through (1, -5) and has a slope of -3.
Serggg [28]

Answer:

<u>y+5 =-3</u>

x-1

y+5=-3x +3

y=-3x-2

Step-by-step explanation:

8 0
2 years ago
Pizza is served in the school cafeteria every fourth school day. Tacos are served every third school day. Both pizza and tacos w
KIM [24]

Answer: secend day


Step-by-step explanation:


4 0
2 years ago
Read 2 more answers
The formula for the area of a triangle is, 1 А A= bh Calculate the height of a triangle when A= 24 m2 and b = 8 m.​
Sphinxa [80]

I hope this helps you

A=1/2.b.h

given Area is 24 and base is 8

24=1/2.8.h

24=4.h (divide 4 both of sides)

h=6 (height)

3 0
3 years ago
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