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Tpy6a [65]
3 years ago
11

Tell whether f(x)=—5x^2+10x+7 has a minimum or a maximum value, find the value

Mathematics
1 answer:
frozen [14]3 years ago
4 0
Minimum/Maximum value: ( 1, 12 )
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1,3,4. For every 10 students there is 1 teacher. Another example would be 50 students to 5 teachers.

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3 years ago
The difference of two positive numbers is 7 and the sum of their squares is 109. Find the numbers.
Ray Of Light [21]

Answer:

Numbers\ are\ 58\ and\ 51.

Step-by-step explanation:

The the numbers are x\ and\ y.

<em>Difference:</em>

<em></em>Difference\ of\ numbers=7\\\\x-y=7....................eq(1)<em></em>

<em>Sum:</em>

<em></em>Sum\ of\ numbers=109\\\\x+y=109...........................eq(2)<em></em>

<em></em>

Solve eq(1) and eq(2).

eq(1)+eq(2)\\\\x-y+x+y=7+109\\\\2x=116\\\\x=58\\\\Now\ from\ equation\ 1\\\\x-y=7\\\\y=x-7\\\\y=58-7\\\\y=51

7 0
3 years ago
What is input<br> what is output
uranmaximum [27]

Step-by-step explanation:

Input:

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We usually use keyboard to type and give a specific data to the computer and hence it can be considered as an Input device.

Output:

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3 years ago
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the given line is 2y=6x+8

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6 0
4 years ago
Read 3 more answers
Find the number that makes the ratio equivalent to 7:4.
MariettaO [177]

Answer:

Any number: 49:28

Step-by-step explanation:

Whatever number you multiply, it will still simplify to 7:4

4 0
3 years ago
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