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svet-max [94.6K]
3 years ago
14

Pls answer it now!! argatogozaimasu!!​

Mathematics
1 answer:
Vesna [10]3 years ago
5 0

Answer:

850 and 23

Step-by-step explanation:

You might be interested in
Oneta writes an algebraic expression with three terms. The y-term has a coefficient of -3, and the x-term has a coefficient of 1
Snowcat [4.5K]

Answer:

x - 3y + z

Step-by-step explanation:

Terms are just names for objects inside the equation -- anything that isn't an operation. A coefficient the is the number a given term (variable) is being mulitpled by. In this case, -3 for y, and 1 for. x. We can deduce from this the start of the expression (x has no coeff. bc of multiplicative identity)

x - 3y

We know we are missing one term, and we also know that the third term cannot be constant, so it must be another variable. In this case I have chosen Z, in theory it shouldn't really matter but z is the best variable name in this case.

5 0
3 years ago
In a survey about new bike paths, which group is least likely to be a biased sample
tatuchka [14]

Answer:

i would say randomly picked dog walkers.

Step-by-step explanation:

choose people who would use the path and actually have feed back whilekeeping things random which i guess random is the only option beofre the subjuects selected.

7 0
3 years ago
Can someone help me?
Savatey [412]

Answer:

4.5>2.89

Step-by-step explanation:

This question is asking for the comparison between the values of both numbers. 4.5 is greater than 2.89, and this can be written as 4.5>2.89

6 0
3 years ago
Which of the following vectors are orthogonal to (-1,3)?
snow_tiger [21]
Any vector that is a multiple of (3, 1) will be orthogonal. These include
.. A (-6, -2)
.. D (3, 1)

_____
The dot-product of these with (-1, 3) is zero:
(-6*-1 +-2*3) = 6 -6 = 0
(3*-1 +1*3) = -3 +3 = 0

You can make a vector orthogonal to a 2-D vector by swapping the coordinates and negating one of them. When you swap the elements of (-1, 3) you get (3, -1). It is usually convenient to negate the one that is already negative, so that would give you (3, 1) as the orthogonal vector.
7 0
3 years ago
A rocket is launched from atop a 55-foot cliff with an initial velocity of 138 ft/s. a. Substitute the values into the vertical
Nonamiya [84]
It would take 9 seconds.

Substituting the values into the equation, we have:
 
0 = -16t² + 138t + 55

The quadratic formula is:
t=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

Inserting our information we have:
t=\frac{-138\pm \sqrt{138^2-4(-16)(55)}}{2(-16)}
\\
\\=\frac{-138\pm \sqrt{19044--3520}}{-32}
\\
\\=\frac{-138\pm \sqrt{19044+3520}}{-32}
\\
\\=\frac{-138\pm \sqrt{22564}}{-32}
\\
\\=\frac{-138\pm 150}{-32}=\frac{-138+150}{-32}\text{ or }  \frac{-138-150}{-32}
\\
\\=\frac{12}{-32}\text { or } \frac{288}{32}=-0.375 \text{ or } 9
7 0
4 years ago
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