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polet [3.4K]
3 years ago
15

SOS EASY MATH PLZ PLZ

Mathematics
2 answers:
Alborosie3 years ago
7 0
A isn’t correct because there is 2 O’s on the left side and 3 on the right
B is incorrect because there is an S on the right but not on the left
C is incorrect because there are 2 Ca on the left side and 1 on the right
D is balanced as there are 2Na ok each side, 2Cl on each side,2H, and 1 SO4 on each side
Vlada [557]3 years ago
3 0
It’s B I just took this!!
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How many ounces are in a 12 lb bag of potatoes​
Readme [11.4K]

Answer:192 because id u do the math and multiply.

6 0
4 years ago
A jeweler is dividing
Anuta_ua [19.1K]

Answer: OPTION D:  \frac{3}{32}

Step-by-step explanation:

By definiton, fractions have the following form:

\frac{a}{b}

Where "a" is called numerator and "b" is the denominator. The numerator and the denominator are Integers.

 In order to solve this exercise you need to remember de Division of fractions:

\frac{a}{b}\div\frac{d}{e}=\frac{a}{b}*\frac{e}{d}=\frac{a*e}{b*d}

In this case, according to the information given in the exercise, you know that \frac{3}{8}\ lb of rubies are divided into 4 lots.

Therefore, in order to calculate the weight in pounds of each lot, you need to divide \frac{3}{8}\ lb  by 4.

Then, you get the following result:

\frac{3}{8}\ lb\div4=(\frac{3}{8}\ lb) (\frac{1}{4})=\frac{3}{8*4}\ lb=\frac{3}{32} \ lb

As you can notice, this result matches with the Option D.

5 0
3 years ago
Need help with 2 math questions pls help me for 20 points.
s344n2d4d5 [400]
The answers are A and B
7 0
3 years ago
Milan rented a truck for one day. There was a base fee of $20.99, and there was an additional charge of 74 cents for each mile d
malfutka [58]

Answer:

m = 134 miles

Step-by-step explanation:

f(m) = 16.95 + 0.92m

140.23 = 16.95 + 0.92m

0.92m = 140.23 - 16.95

0.92m = 123.28

m = 123.28/0.92

m = 134 miles

4 0
3 years ago
Suppose a runner completes a 100-meter dash in 17.8 seconds during her first race. In the second race, she runs the 100-meter da
vesna_86 [32]
<span>We know that the runner completed her first race in 17.8 seconds and that she completed her second race in 16.9 seconds. Then the difference between the first race and the second race is .9 seconds. Now we divide .9 by 17.8 and multiply by 100 to get the percent decrease. We get 5.06%. The percent decrease in her time is 5%.</span>
8 0
3 years ago
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