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Harrizon [31]
3 years ago
8

A scientist placed 22.854 grams of sodium chloride in a beaker. He then added five times as much calcium chloride as sodium chlo

ride. Finally, he divided the mixture evenly into four dishes.
How much of the mixture did each dish contain?

A .28.5675 g
B. 34.2810 g
C. 137.1240 g
D. 548.4960 g
Mathematics
1 answer:
expeople1 [14]3 years ago
7 0
The answer is B. 34.281
22.854 + 5(22.954) = 137.124
137.124 divided by 4 = 34.281 = 34.2810
You might be interested in
3. Three soccer players are scored 25 goals this season.
Varvara68 [4.7K]

The mean goals scored by the soccer players this season is 18.3 goals

<h3>What is mean? </h3>

Mean is the ratio of the sum of data to the total sample of data.

If three soccer players are scored 25 goals this season., five soccer players  scored 19 goals this season and ten soccer players scored 16 goals this season, the mean goal scored is expressed as:

Mean goal scored = 3(25)+5(19)+10(16)/3+5+10

Mean goal scored = 75 + 95+160/18

Mean goal scored = 330/18

  • Mean goal scored = 18.3 goals

Hence the mean goals scored by the soccer players this season is 18.3 goals

Learn more on mean here: brainly.com/question/20118982

3 0
2 years ago
The first four terms of an arithmetic sequence are 28, 20, 12, and 4. which term of the sequence is -36
Charra [1.4K]
For an arithmetic sequence, the nth term is the first term plus (n-1)×the differece
the first term is 28, the difference between each adjacent number is 8
so -36=(28)+8(n-1)
8(n-1)=64
n-1=8
n=9
the 9th term is -36
7 0
3 years ago
8x+3y=18
Minchanka [31]

Step-by-step explanation:

8x+3y=18

subject y according y=mx+c

y=8/3x-6

(-9,-13)

substitute -9 to y=8/3x-6

-13=8/3×(-9)+c

11=c

y=8/3x+11

3 0
3 years ago
Helpppp pleaseeee I need it tonight
snow_tiger [21]
What you want to first is substitute the numbers in for the variables in the equation

Since b= -5 , we will plug it in for -b

-5 + c = -13x

Now plug in -8 for c

-5 + (-8) = -13x

Add the numbers on the left side, which gives you -13.

-13 = -13x

Lastly, divide both sides by -13x, which will give you 1.

So x = 1
4 0
3 years ago
What graph represents an even function
o-na [289]
I don’t c any graphs?
3 0
3 years ago
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