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Natasha_Volkova [10]
2 years ago
14

Please help!! I literally have no idea what to do here.

Mathematics
2 answers:
kenny6666 [7]2 years ago
6 0

Answer:

4.9y² + 2y + 4.7

Distributive property

Step-by-step explanation:

3.9y^2+5.8+4y-1.1-2y+y^2

collect and combine like terms:

\implies 4.9y^2 +2y+4.7

<u>Distributive property</u>

The distributive property states that an expression which is given in form of A (B + C) can be solved as A x (B + C) = AB + AC.  Similarly, A (B - C) can be solved as A x (B - C) = AB - AC

nika2105 [10]2 years ago
3 0
I believe it's it's d
Sorry if I'm wrong I'm mr lemonade
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which shows a true conditional with a correctly identified hypothesis and conclusion. a. if its raining, then the humidity level
Degger [83]
The <u>correct answer</u> is:

D) <span>if it's raining, then the humidity level is 100%; hypothesis: it is raining; conclusion: the humidity level is 100%.

Explanation:

The truth value of this conditional statement is true; if it is raining outside, that would mean the humidity level is 100%..

The hypothesis of a conditional statement is the "if" part.  In this statement, what follows "if" is "it's raining"; this is the hypothesis.

The conclusion of a conditional statement is the "then" part.  In this statement, what follows "then" is "the humidity level is 100%"; this is the conclusion.</span>
8 0
3 years ago
Read 2 more answers
Create a list of six values where the mean, median, and mode are 45, and only two of the values are the same.
tresset_1 [31]
10 30 45  45 48 55, 55-10=45=mode median and mean
Hope this helps
6 0
3 years ago
Pls help DUE TODAY (13points)
Brut [27]

Answer:

42 ft²

Step-by-step explanation:

Rectangle Area: L * W

\bf A=(8ft)(6ft)

\bf 48 \; ft^2

\bf A= (3ft)(2ft)

\bf 6\;ft^2

\bf 48ft^2-6ft^2

\boxed{\bf 42\; ft^2}

8 0
2 years ago
Read 2 more answers
Which of the following is the correct factorization of the polynomial below?
alexandr1967 [171]
X + 7 might be right
8 0
3 years ago
Can you please explain this?​
Leni [432]

Answer:

The question is giving you pairs of points in space which can be used to define lines. It is then asking you to determine if the lines defined by those points are parallel, perpendicular, or neither.

Step-by-step explanation:

Two key things you need to know to solve this is that the lines will be parallel if their slopes are the same, and perpendicular if one slope is the negative reciprocal of the other (i.e. s_{1} = -s_{2}^{-1})

Let's start with question 11. You are given two pairs of points, each of which describes a distinct line:

(3,5)-(1,1) and (0, 2)-(5, 12)

To find the slope of each pair, take the vertex with the lesser x co-ordinate, and subtract it from the vertex with the greater x co-ordinate.  That will give us a valid Δx and Δy to get the slope.

In the first pair, 3 > 1, so we'll subtract the second point from the first:

s = \Delta y / \Delta x\\s = \frac{5 - 1}{3 - 1}\\s = 4/2\\s = 2

So the first pair of vectors describe a line with a slope of 2.  Let's look at the other pair:

s = \Delta y / \Delta x\\s = (12 - 2) / (5 - 0)\\s = 10 / 5\\s = 2

That also gives us a slope of 2, meaning that the two lines are parallel.

This same process will need to be done for the other three questions.  We can't answer questions 12 or 14 here, as the last point is cut off on the edge of the image.  For question 3 though, one line has a slope of 7/3, and the other 3/7. That puts them in the "neither" category, as one is not the negative reciprocal of the other, but instead the positive reciprocal.

6 0
3 years ago
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