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emmainna [20.7K]
3 years ago
8

One of the roots of the equation x2−5x+q=0 is 2. Find the other root and the value of the coefficient q.

Mathematics
2 answers:
pishuonlain [190]3 years ago
8 0

Answer:

q=6

Step-by-step explanation:

A root can be plugged in for X, so 2(2)-5(2)+q=0. This means -6+q=0. We can now even them out and know q=6

ELEN [110]3 years ago
7 0

Answer:

x=3, and q=6

Step-by-step explanation:

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Youssef can either way from his home to his workplace or ride his bicycle. he walks at a pace of 1 block per min, but he can tra
alex41 [277]

Youssef lives 15 blocks away from his work

<em><u>Solution:</u></em>

Given that Youssef can either way from his home to his workplace or ride his bicycle

Let "x" be number of blocks away from work Youssef works

<u><em>Case 1: walking</em></u>

He walks at a pace of 1 block per min

Therefore,

1 block = 1 minute

Thus to cross "x" blocks he takes "x" minutes

<em><u>Case 2: Bicycle</u></em>

He can travel 1 block in 20 sec on his bicycle

We know that,

To convert seconds to minute, divide the time value by 60

\rightarrow 20 seconds = \frac{20}{60} minutes = \frac{1}{3} minutes

Thus he takes 1/3 minutes for 1 block

So to cross "x" blocks he will take \frac{x}{3} minutes

Given that it takes youssef 10 min longer to walk to work than to ride his bike

This means difference between time taken to cross "x" blocks by walking and ride by bicycle is 10 minutes

\rightarrow x - \frac{x}{3} = 10\\\\\rightarrow \frac{3x - x}{3} = 10\\\\\rightarrow \frac{2x}{3} = 10\\\\\rightarrow x = \frac{30}{2}\\\\\rightarrow x = 15

Thus he lives 15 blocks away from his work

4 0
3 years ago
How do you solve this
MissTica

Answer:

The Area is 72.

Step-by-step explanation:

A=1/2d^2

A=1/2(12)^2

A= 1/2(144)

A=72

<em>Hope I helped, Brainliest would be appreciated :) </em>

<em> Have a fantastic day! </em>

<em>                   -Aadi x</em>

5 0
3 years ago
A square dinner napkin 8in. on each side is folded along its diagonal. Find the area of the folded napkin.
Anvisha [2.4K]
Since you need to find the area of a square napkin, you need to know what the formula for a square is. It is height multiplied by base. So a square is equal in all sides. 8×8=64
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8 0
2 years ago
Simplify. –2 • (4) – 3 • (–5) = A. 55 B. 7 C. –23 D. –120
stepan [7]
Your answer to the question is B) 7
3 0
3 years ago
Simplify.<br><br> 5x+3(x+2)+3<br><br><br> 6x + 8<br><br> 8x + 9<br><br> 8x + 5<br><br> 5x + 8
beks73 [17]

\\ \sf\longmapsto 5x+3(x+2)+3

\\ \sf\longmapsto 5x+3x+6+3

\\ \sf\longmapsto (5+3)x+9

\\ \sf\longmapsto 8x+9

7 0
2 years ago
Read 2 more answers
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