MATHEMATICS MIDDLE SCHOOL

What is the approximate distance between the points (-3, -4) and (-8, 1) on a coordinate grid

Answers

Answer 1

Answer:

Answer:

$D= 7.071$

Step-by-step explanation:

Here we are given with two coordinates and asked to determine the distance between them.

Here we are going to use the distance formula, which is given as under

$D=√((y_2-y_1)^2+(x_2-x_1)^2)$

Where

$(x_1,y_1) = (-3,-4))$

$(x_2,y_2) = (-8,1)$

Replacing these values in the distance formula

$D =√((-8-(-3))^2+(1-(-4))^2)$

$D =√((-8+3)^2+(1+4)^2)$

$D =√((-5)^2+(5)^2)$

$D =√(25+25)$

$D =√(50)$

$D= 7.071$

Hence the Distance is 7.071 units

Answer 2

Answer:

Answer:

7.07

Step-by-step explanation:

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at a neighboring school, the ratio from boys to girls is 6:5. There are 209 students in the school. How many are girls?

Answers

There are several important information's already given in the question. Based on those given information's the answer to the question can be easily deduced.
Total number of students in the school = 209
Ration of the boys to girls in the school = 6:5
Let us assume the common ratio to be = x
Then
6x + 5x = 209
11x = 209
x = 209/11
= 19
Then
The number of girls in the school = 19 * 5
= 95
So there are a total of 95 girls in the school that has a total of 209 students.

What does the mean absolute deviation describe about the data??? Plz help me, I need it to complete my hw... Plz!

Answers

Another way to describe the variability of a set of data is to use its mean absolute deviation. The mean absolute deviation of a set of data is the average distance between each data value and the mean.

to make a fruit salad Marvin mixes 1 3/4 cups of diced peaches with 2 1/4 cups of diced pears how many cups of peaches and pears are in a fruit salad

Answers

4 cups....

First, change the proper fractions to improper fractions.

2 1/4 = 9/4

1 3/4 = 7/4

Then, add the improper fractions.

9 7 16
--- + ---- = --------- = 4
4 4 4

4 cups of peaches and pears

Billy is organizing his closet he has clothing bins that measures 20 inches high 18 inches wide and 14 inches long how many Bins does he need if its 60 inches long inches 36 inches deep and 72 inches high?

Answers

ok so find volume of box and find how many volumes of box will be at least volume of closet
V=LWH

Vbin=20*18*14
Vbin=5040 in^3

Vcloset=60*36*72
Vcloset=155520 in^3

how many Vbins=1Vcloset?
how many 5040=155520
divide both sides by 5040
how many=30.8
round up
31 bins will hold all stuff
but only 30 can fit in closet, but will not hold al stuf

30 in
is the answere that i had gottent

How can you solve problems involving equations that contain addition, subtraction, multiplication, or division?

Answers

Well it all depends on the problem but you have to approach every problem with the order of operations PEMDAS. In order you do parentheses, exponents, multiplication, division, addition, then subtraction. If you post an example of the problem you're trying to work out we can be more specific.

What is three fourths plus five eighths

Answers

One and three eighths. Or eleven eighths.

3/4+5/8
find lcm which is 8
6/8+5/8
=11/8 or 1 3/8

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How would you replace 27/50 with the nearest half or whole without using a number line?

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There are 172 south american animals in the springdale zoo. That is 45 more than half the number of african animals in the zoo. Write an equation you could use to find n, the number of african animals in the zoo

PLEASE HELP ASAAAP!!!!!!!q