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jonny [76]
3 years ago
10

Pls tell me what those lil half oval symbol thing is lol i’m so lost.

Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0

Answer:

lol its a equal sign

Step-by-step explanation:

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Please answer right I will give you brainliest :) 15 points!
sleet_krkn [62]

Answer: B

Step-by-step explanation: 7/8 * 3 = 2 5/8 :)

7 0
3 years ago
Read 2 more answers
A copier prints 80 pages in 5 minutes.
DochEvi [55]
The correct answer is D, 16 pages per minute. A unit rate is a ratio of something to one; in this case, the ratio is 16:1, or 16 pages to 1 minute. To get the unit rate for this problem, divide both numbers by 5 to get how many pages will be printed per 1 minute. 80/5 = 16, so the copier prints 16 pages in 1 minute. Answer choices A and B are not unit rates, and answer choice C is the incorrect unit rate.

Hope this helps!
7 0
3 years ago
Look at the table of values below.
Natalka [10]

Answer:

A. y = 1 - 2x

The equation y = 1 - 2x is represented by the table.

Step-by-step explanation:

In this question you are trying to find out which is the right equations that belongs to the table of values.

For any streight line, you need the minimum of two points (x,y) to be able to draw a line that accounts for all points on that line...

If you substitute x = 1 in any of the equations, the outcome should be -1 because that is given in the table.

So try it and you will you find solely based on one of the first value that, the equations in A. and C. could be valid, because the point with coordinates (1, -1) is on the line A. and also on C.

At this time you can totally discard equations B an D because the value of y = -1 is not the outcome if you substitute x = 1. You can absolutely cross out answers B an D. Please understand what a timesaver this is; for the next substitution you only need to subsymtitue one extra coordinate (x,y) and you only have to substitute it only in equations A and C.

Try one more point, to choose between answer A and answer C. Just pick the easiest value in the table.

Please understand that you could pick eighter the x value OR YOU COULD choose the y value. It just does not matter, because the coordinate (x,y) is a pair of two numbers which are bound together by the equation given and also by all values in the table... The question remains, how fast can you distinguish which is the right equation....

After substituting another value from the table, you find that only equation A. is valid and not C (and you already discarded answers B an D remember)....

So the equation y = 1 - 2x is represented by the table, which is answer A.

Although this is a lot of text explaining the simple steps of substituting a value of the table an checking if the coordinate is a member of the equation, I hope it will save you a lot of time in the future!

8 0
3 years ago
What is the answer to this- 9th-grade geometry
NemiM [27]

Answer:

AB is congruent is CD.  (Last one)

Step-by-step explanation:

Hypotenuse leg is when the hypotenuse and ONE (you only need one, not two) leg of the triangle are congruent in a RIGHT triangle.

In the image, you already know that it is a right triangle and you know that the hypotenuse are congruent (Reflexive Prop) .You just need to know that the legs are congruent.  So you choose which one has the legs congruent.  The leg pairs that can be congruent are AD and CB or DC and AB.  The only one that matches this is the last one

8 0
3 years ago
A trapezoid has an area of 342 square yards. The length of one base is 17 yards, and the length of the other base is 21 yards. W
dedylja [7]

The height of trapezoid is 18 yards

<em><u>Solution:</u></em>

Given that, trapezoid has an area of 342 square yards

The length of one base is 17 yards, and the length of the other base is 21 yards

To find: height of trapezoid

<em><u>The area of trapezoid is given by formula:</u></em>

area = \frac{a+b}{2} \times h

Where "h" is the height

"a" and "b" are the length of base

Here given that,

area = 342 square yards

a = 17 yards

b = 21 yards

h = ?

<em><u>Substituting the values we get</u></em>,

342 = \frac{17+21}{2} \times h\\\\342 \times 2 = 38 \times h\\\\ 684 = 38h\\\\h = \frac{684}{38}\\\\h = 18

Thus height of trapezoid is 18 yards

6 0
3 years ago
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