MATHEMATICS MIDDLE SCHOOL

Find the distance (-4,5) and (7,18)

Answers

Answer 1

Answer:

Answer:

$√(290)\ units$

Step-by-step explanation:

The distance between points $(x_1,y_1)$ and $(x_2,y_2)$ is

$√((x_1-x_2)^2+(y_1-y_2)^2)$

Hence, the distance between points $(-4,5)$ and $(7,18)$ is

$√((-4-7)^2+(5-18)^2)\n \n=√((-11)^2+(-13)^2)\n \n=√(121+169)\n \n=√(290)\ units$

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In which quadrant of the coordinate plane is (a - 2, b + 3), if a = -3 and b = -5?

Answers

It's going to be in quadrant 3

Answer:

its q-2

Step-by-step explanation:

A student skipped a step when she tried to convert 15 hours to seconds,and she got the following incorrect result ?15 hours(60 seconds),/1 minute=900seconds

Answers

Answer:

60mins/1 hour

Step-by-step explanation:

Final answer:

The student made an error by skipping the necessary step of converting hours to minutes before converting to minutes to seconds. The correct conversion is: 15 hours is equal to 54000 seconds.

Explanation:

In mathematics, specifically in units conversion, the correct step to convert hours to seconds would be to first convert the hours to minutes, and then convert minutes to seconds. The mistake the student made was skipping the step of converting hours to minutes before converting to seconds. Let's correct the calculation:

First, convert hours to minutes: 15 hours * 60 minutes = 900 minutes.
Next, convert minutes to seconds: 900 minutes * 60 seconds = 54000 seconds.

So, 15 hours is equal to 54000 seconds, not 900 seconds.

Learn more about Converting Hours to Seconds here:

brainly.com/question/35715548

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Which is the graph of parent function f(x)=2^x

Answers

Answer:

Graph D

Step-by-step explanation:

$f(x)= 2^x$

Given f(x) is a exponential function

The graph (a) is a graph of an absolute function because we have V shaped graph

The graph (b) is the graph of a line so it is a graph of a linear function

The graph (c) is a U shaped graph. U shaped graph is a graph of a quadratic function.

The graph (d) is a curve shaped graph. It is a graph of an exponential function.

Option D is the correct answer

Chin bought 12 pounds of apples for $6 at this rate how much will is cost to buy 3 pounds of apples

Answers

1
12
x06
72
00
72

What i put up there is how you work it out.The answer is 72 you will learn that in 4th i still remember how my wonder ful teacher taught me!!

So it is 50 cents per pound and so multiply 3 by .50 and that is 1.50 dollars, for 3 pounds

An angle measures 65º. What is the measure of its supplement?

Answers

supplement=angles that add to 180
so x+y=180
one is 65
65+x=180
subtract 65 from both sides
x=115
the supplelmemnt is 115 degrees

the complement relateds to a right angle.

90-65=25 degrees

Maria is making a gelatin dessert for a party. She plans on making 12 servings for every 6 people. If each pan Maria uses to make the dessert holds 8 servings, what is the minimum number of these pans will she needs in order to serve 112 people?Please I really need help.

Answers

Very easy!
6 people= 12 servings so 1 person= 2 servings
We have 112 people so we need 112 x 2= 224 servings
So she will make 224 servings with an 8 servings pan, 224/8= 28 pans.
The minimum number of pans she need in order to serve 112 people is 28 pans!

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