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Iteru [2.4K]
3 years ago
6

How to solve this story problem

Mathematics
2 answers:
zzz [600]3 years ago
8 0
So then what you want to do is 105 for the grams, minus the box, which is 15
you then get 95, then do that divided by ten because you that's how many markers. You then would get 9.5. So too double check do 9.5*10 to see if that's the marker amount and add 15.

Answer is 9.5
Vikentia [17]3 years ago
6 0
Each crayon weighs 9 grams. First, if the box is 15 grams, you need subtract 105 with 15, which is 90. Then, divide 90 by 10(the amount of crayons), and you get 9, so each crayon weighs 9 grams
You might be interested in
If 64 feet of rope weighs 20 pounds how much will 80 feet of the same type of rope weigh?​
worty [1.4K]

Answer:

25 pounds, hope its right

Step-by-step explanation

7 0
3 years ago
based on the experimental probability about how many times will yosef draw a green marble if he draws a total of 75 marbles
Tema [17]
35 if you want to count purple but 12 if your from orange
5 0
2 years ago
The test scores of a geometry class are given below. 90, 75, 72, 88, 85 The teacher wants to find the variance for the class pop
ella [17]
The data given as a whole would be called ungrouped data. Now to get the variance, you will need the formula:

s^2=   <u>Σ(x-mean)^2</u>
                   n      

x = raw data
mean = average of all data
n = no. of observations
s^2 = variance

Now we do not have the mean yet, so you have to solve for it. All you need to do is add up all the data and divide it by the number of observations. 

Data: <span>90, 75, 72, 88, 85        n= 5  
</span>Mean=<u>Σx</u>
            n
Mean = <u>90+75+72+88+85 </u>  = <u>410</u> = 82
                        5                        5

The mean is 82. Now we can make a table using this.

The firs column will be your raw data or x, the second column will be your mean and the third will be the difference between the raw data and the mean and the fourth column will be the difference raised to two. 

90-82 = 8
8^2 =64

75-82 = -7
-7^2 =49

72-82 = -10
-10^2=100

88-82=6
6^2 = 12

85-82=3
3^2=9

Now you have your results, you can now tabulate the data:

 x      mean         x-mean        (x-mean)^2     
90       82                8                      64                       
75       82               -7                      49
72       82              -10                    100
88       82                6                       36
85       82                3                       9

Now that you have a table, you will need the sum of (x-mean)^2 because the sigma sign Σ in statistics, means "the sum of."

64+49+100+36+9 = 258

This will be the answer to your question. The value of the numerator of the calculation will be 258.

 
<u>
</u>
6 0
3 years ago
F(x) = 2x2 - 5<br> and<br> g(x) = 5x + 7<br> Find<br> f(g(x)) = [ ? ]x2 + [ ]x +
lbvjy [14]

Answer:10x^2 -18

Step-by-step explanation:since f(x) is becoming the new x then youd subtitute the equation into the x of the g(x) equation. which would be 5(2x^2 -5) +7 which is 10x^2 -25 +7.and you'd simplify from there.

8 0
2 years ago
50 points! Expert verified please help me ! Random answers will be reported
Vikentia [17]

Answer:

(1,-2)

Step-by-step explanation:

(x,y)transforms(y,-x)at about 270°.

3 0
3 years ago
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