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2 years ago

7th grade help me please :))

Mathematics

1 answer:

goldfiish [28.3K]2 years ago

7 0

Answer:

-1/2 is the work

Step-by-step explanation:

hope this helped

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Mack the bug starts at (0,0) at noon and each minute moves one unit right or one unit up. He is trying to get to the point (5,7)

PSYCHO15rus [73]

This is a very nice counting question. Suggestion / Hint: Count how many ways he can get from (0,0) to (5,7) by going through the point (2,3). Then subtract that from ALL POSSIBLE ways he can get from (0,0) to (5,7). Hint for the hint: How many ways he can get from (0,0) to (5,7) by going through the point (2,3)? Well, that's the SUM of how many ways he can get from (0,0) to (2,3) and how many ways he get get from (2,3) to (5,7). Hope this helps! :)

4 0

3 years ago

Add. Express your answer in standard form. (−3+5i)+(6+2i). Enter your answer in the box.

evablogger [386]

You add/subtract complex numbers simply by adding/subtracting real parts and imaginary parts.

So, the real part of this sum is the sum of the real parts:

$-3+6=3$

And the imaginary part of this sum is the sum of the imaginary parts:

$5i+2i=7i$

So, you have

$(-3+5i)+(6+2i) = 3+7i$

7 0

3 years ago

The correlation coefficient r between an employee’s age, x, and yearly salary, y, is 0.633. What percent of the variation in yea

son4ous [18]

Answer:

The answer is 40.1%

Step-by-step explanation:

I just took the test

6 0

3 years ago

Six-four million, one hundred eighty-six thousand, three hundred square miles in standard form

Zielflug [23.3K]

Answer:

64,186,300 square miles

I'm sorry if I misunderstood.

Good luck mate! :)

Please add Brainliest if you'd like, not that it matters.

Remember to try your best every day!

6 0

3 years ago

Determine whether the fractions 3 4 and 4 5 are equivalent. Question content area bottom Part 1 Select the correct choice below

VMariaS [17]

Answer: Choice A

The fractions are not equivalent because the product of the numerator of the first fraction and the denominator of the second fraction is  15  , which is not equal to the product of the numerator of the second fraction and the denominator of the first fraction  16 

===================================================

Explanation:

We have the template $\frac{P}{Q} = \frac{R}{S}$ which cross multiplies to $PS = QR$

So if $\frac{3}{4} = \frac{4}{5}$ was true, then $3*5 = 4*4$ must be true as well, and vice versa.

The left side 3*5 turns into 15, while the right hand side 4*4 becomes 16. The 15 and 16 don't match up.

In short, $3*5 = 4*4$ turns into $15 = 16$ which is a false statement. So the original claim that $\frac{3}{4} = \frac{4}{5}$ is also false.

5 0

2 years ago