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Cloud [144]
4 years ago
12

John has $2 in his bank account when he gets a job. He begins making $107 a day. A student found that the equation that represen

ts this situation is
y = 2x + 107. What is wrong with the student's equation? Describe and correct the student's error.
Mathematics
1 answer:
ZanzabumX [31]4 years ago
7 0
That equation means that John started with $107 in his bank account and is making $2 dollars a day. The correct equation is y=107x+2.
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The 1992 world speed record for a bicycle (human-powered vehicle) was set by Chris Huber. His time through the measured 200 m st
aleksklad [387]

Answer:

Speed of Chris Huber = 30.726 m/s

Time taken by Sam = 5.55 s

Step-by-step explanation:

Given:

Distance = 200 m

Time taken by Chris Huber = 6.509 s

Now,

Speed of Chris Huber = \frac{\textup{Distance}}{\textup{Time}}

or

Speed of Chris Huber = \frac{\textup{200 m}}{\textup{6.509 s}}

or

Speed of Chris Huber = 30.726 m/s

Speed of Sam = Speed of Chris Huber + 19.0 km/h

Now,

1 km/hr = 0.277778 m/s

thus,

19.0 km/h = 19.0 × 0.27 = 5.278 m/s

thus,

Speed of Sam = 30.726 + 5.278 = 36.004 m/s

therefore,

Time taken by Sam = \frac{\textup{Distance}}{\textup{Speed}}

or

Time taken by Sam = \frac{\textup{200}}{\textup{36.004}} = 5.55 s

6 0
3 years ago
A farmer planted 120 fruit trees in his orchard . Some were apples trees and the rest were orange trees. There are tree orange t
Rufina [12.5K]
There are 50orange trees
7 0
3 years ago
Which expression is equivalent to (3/x-2) -5 divided by 2-(4/x-2) ?
Zanzabum
The answer is the last one. D
4 0
3 years ago
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(v+8)(v-3) multiply and simplify the answer
maksim [4K]
V+8*v-3
v+v=2v
8+-3=5
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7 0
3 years ago
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Chords and intersect in circle O as shown in the diagram. Two of the angle measurements are marked. What is mCED?
jenyasd209 [6]

we know that

The measure of the interior angle is the half sum of the arcs comprising it and its opposite

so

m∠CED=\frac{1}{2} *(arc\ AB+arc\ CD)

see the attached figure with letters to better understand the problem

arc\ AB=82° ------> by central angle

arc\ CD=48° ------> by central angle

Substitute the values in the formula above

m∠CED=\frac{1}{2} *(82+48)

m∠CED=\frac{1}{2} *130

m∠CED=65°

therefore

<u>the answer is</u>

m∠CED=65°


8 0
3 years ago
Read 2 more answers
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