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Cerrena [4.2K]
3 years ago
14

Mona solved an equation incorrectly, as shown below:

Mathematics
2 answers:
Vesnalui [34]3 years ago
8 0

Answer:

She did not add 5 to 30. ... Mona subtracted 5 where she should have divided 5.

Step-by-step explanation:

stiks02 [169]3 years ago
8 0

Answer:

B. She did not divide 30 by 5

Step-by-step explanation:

This is the only way to cancel out the 5 and get the variable alone

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True or False, Intrusive rocks have large crystals?
Sladkaya [172]
<h2>Answer:</h2>

<h3>True</h3>

<h2>Step-by-step explanation:</h2>

<h3>Intrusive rocks, have large crystals that are usually visible without a microscope. </h3>

<h2>Therefore it's true. </h2>

<h2>Hope it help you </h2>
4 0
3 years ago
Four girls have 2.20 to share equally. How much money will each girl get?
Nata [24]

Answer:

0,55

Step-by-step explanation:

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3 years ago
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SEE QUESTION IN IMAGE
Rudik [331]

Answer:

<h3>46.</h3>

<u>Total number in favour:</u>

  • 128 + 96 = 224

<u>Probability:</u>

  • P(favour, A) = 128/224 = 4/7
<h3>47.</h3>

<u>Total number in against:</u>

  • 32 + 48 = 80

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  • P(against, not B) = 32/80 = 2/5
3 0
3 years ago
WILL MARK BRAINLIEST, PLEASE EXPLAIN HOW YOU GOT YOUR ANSWER!!!
Snowcat [4.5K]
Answer:
y=1/6x-6

Explanation:
What we know:
- Equation for line S: y=-6x+2
- Line T is perpendicular to line S
- Line T passes through the point (-6,-7)

To find the answer, we would need to understand two things, the first being what exactly is going on with the equation: y=-6x+2.

It’s organized in slope-intercept form, which is y=mx+b. Here’s what the variables mean:

Y=the y variable
M=the slope
X=the x variable
B=the y-intercept (the point on the line that crosses the y axis)

Knowing this, we can look at the equation for line S again: y=-6x+2. -6 is the slope of line S and 2 is the y-intercept of line S.

The second thing we need to understand is that the slope of a second line that is perpendicular to the first line is equal to the NEGATIVE RECIPROCAL of the slope of the first line.

Reciprocal: the “flip” of a fraction where the denominator and the numerator switch places

So, for example, let’s say the slope of line A=6. The slope of the line perpendicular to line A would be -1/6.

Let’s try another example: the slope of line B=-4/5. The slope of the line perpendicular to line B would be 5/4 (because two negatives makes a positive)

And here, for your question, the slope of line S=-6. Therefore, the slope of line T would be 1/6.

Awesome! We found the slope, which means so far, the equation of line T looks like this:

y=1/6x+b

All we need now is the y-intercept, which is “b” in the equation y=mx+b.

To do this, we plug in the point that the question provided us, (-6,-7), and solve. We would plug in -7 as the y variable and -6 as the x variable.

y=1/6x+b
-7=1/6(-6)+b
1) multiply 1/6 and -6
-7=-1+b
2) add 1 to both sides of the equation to isolate b
-6=b

Aha! There we have it, -6 is the y-intercept of line T.

Now, we have completed our equation:

y=1/6x-6

I hope this helps! Please comment if you have any questions.
7 0
3 years ago
What is fo)?<br> 12 only<br> 2 and 3 only<br> -2, -1, 1, and 2 only<br> -2, -1, 1, 2 and 12
luda_lava [24]

9514 1404 393

Answer:

  f(0) = 12 . . . only

Step-by-step explanation:

We don't know your intended meaning of "fo)". If it is supposed to be f(0), that is the value of the function at x=0, in other words, the y-intercept.

The graph of f(x) crosses the y-axis at y=12, so ...

  f(0) = 12

4 0
3 years ago
Read 2 more answers
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