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aalyn [17]
3 years ago
11

Please i need help..

Mathematics
1 answer:
padilas [110]3 years ago
4 0

Answer:

C is you answer 1/5 books/hour  

Step-by-step explanation:

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Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-response question.
makkiz [27]

Let

x------> the number of multiple choice question

y------> the number of free response question

we know that

-----> equation A

-----> equation B

Substitute equation B in equation A

Find the value of x

therefore

the answer is

the number of multiple choice question are

the number of free response question are

3 0
2 years ago
Please help!!!!! i will mark brainliest
leva [86]

yeah your right

its a

4 0
3 years ago
Read 2 more answers
13+5 = 6E + (-4 ) + (-5 )<br>simplify​
olasank [31]

Answer:

Exact Form: 9/2

Decimal Form: 4.5

Step-by-step explanation:

4 0
3 years ago
If using the method of completing the square to solve the quadratic equation
Assoli18 [71]

Answer:

The number would have to be added is 2

Step-by-step explanation:

To find the form of the completing square of the quadratic function:

  • Divide the coefficient of x by 2
  • Square the quotient
  • Subtract the numerical term from the square of the quotient

Let us do these steps with our question

∵ x² - 2x - 1 = 0

→ Divide the coefficient of x by 2

∵ The coefficient of x is -2

∴ -2 ÷ 2 = -1

→ Square the -1

∵ (-1)² = 1

→ Subtract the numerical term from 1

∵ The numerical term = -1

∵ 1 - (-1) = 1 + 1 = 2

∴ We must add 2 to -1 to get 1

→ (x² - 2x - 1 + 2) - 2 = 0

→ (x² - 2x + 1) = 2

→ (x - 1)² = 2

The number would have to be added is 2

4 0
3 years ago
Through: (-5, -5), slope=2/5
kakasveta [241]

For this case we have that by definition, the equation of a line in the slope-intersection form is:

y = mx + b

Where:

m: It is the slope

b: It is the cut point with the y axis

The slope is: m = \frac {2} {5}

Thus, the equation is of the form:

y = \frac {2} {5} x + b

We substitute the given point and find "b":

-5 = \frac {2} {5} (- 5) + b\\-5 = -2 + b\\-5 + 2 = b\\b = -3

Finally, the equation is:

y = \frac {2} {5} x-3

Answer:

y = \frac {2} {5} x-3

4 0
3 years ago
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