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2 years ago

I need to know the answers

Mathematics

2 answers:

arsen [322]2 years ago

8 0

For answers 17-30 all you need to do is determine the quadrant the points are in. The points are in order of (x,y) , “x” is the horizontal line and “y” is the vertical. (I’m sure you know that) if you don’t know , to the left of (0,0) (where x and y intersect) , all x values are negative, and to the right they are all positive. For “y” the values on top of (0,0) are positive and below (0,0) are negative. So for example, for number 17. (-5,2) the point will be in the top left quadrant because that’s where x is negative (-5) and y is positive (2). Not sure if that’s what you are looking for, you may know all this already but from your question that’s what I assumed you needed help with. Hope this helps! If not sorry.

kkurt [141]2 years ago

7 0

Answer:

for which problems if it is all the ones you haven't done yet then say that.

Step-by-step explanation:

i dont know how to gragh pionts on this thing plz tell me how

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Sam practices his guitar for 9 hours each week he practices each song for 3 1/2 hours. What is the greatest number of song he ca

liberstina [14]

Answer:

<em>The greatest number of song he can practice in a week is 2.</em>

Step-by-step explanation:

Suppose, the greatest number of song he can practice in a week is $x$

He practices each song for $3\frac{1}{2}$ hours. So, the total time required for practicing $x$ number of songs $= (3\frac{1}{2}*x)$ hours.

Given that, he practices his guitar for 9 hours each week.

So, the equation will be......

$3\frac{1}{2}*x= 9\\ \\ x= 9\div 3\frac{1}{2}\\ \\ x=9\div \frac{7}{2}=9 \times \frac{2}{7}=\frac{18}{7}= 2.571.... \approx 2$

<em>(Rounded as the greatest whole number)</em>

Thus, the greatest number of song he can practice in a week is 2.

4 0

2 years ago

Read 2 more answers

four distinct circles are drawn in a plane. what is the maximum number of points where at least two of the circles intersect?

kolezko [41]

90 points where at least two of the circles intersect.

<h3>Define circle.</h3>

A circle is a closed, two-dimensional object where every point in the plane is equally spaced from a central point. The line of reflection symmetry is formed by all lines that traverse the circle. Additionally, every angle has rotational symmetry around the centre.

Given,

Four distinct circles are drawn in a plane.

Start with two circles; they can only come together in two places. The third circle contacts each of the previous two circles in two spots each, bringing the total number of intersections up to four with the addition of a third circle. The total number of intersections will rise by another 6 when a fourth circle intersects the first three. And the list goes on.

As a result, we get a recognizable, regular pattern: for each additional circle, there are two more intersections overall than in the circle before it.

The total number of intersections can be expressed as the sum because the maximum number of intersections of 10 circles must occur when each circle contacts every other circle in 2 places each.

2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 = 90.

90 points where at least two of the circles intersect.

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brainly.com/question/11213974

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10 months ago

Solve the inequality x+2 1/2 >-1/2.graph the solution set on a number line. Show your work.

Ainat [17]

Answer:

x > -11

Step-by-step explanation: