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vfiekz [6]
2 years ago
15

How to multiple decimals by decimals.

Mathematics
1 answer:
puteri [66]2 years ago
7 0

Answer:

To multiply decimals, first multiply as if there is no decimal. Next, count the number of digits after the decimal in each factor. Finally, put the same number of digits behind the decimal in the product.

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Solve for x -12+4=100
strojnjashka [21]

Answer by JKismyhusbandbae:

x-12+4=100\\\mathrm{Add/Subtract\:the\:numbers:}\:-12+4=-8\\x-8=100\\\mathrm{Add\:}8\mathrm{\:to\:both\:sides}\\x-8+8=100+8\\\mathrm{Simplify}\\x=108

3 0
3 years ago
A movie theater charges $9.50 for adults and $4.50 for children. For a recent showing of a movie, the theater sold 33 tickets an
choli [55]

Answer:

The  number of children's tickets sold was 31 and the number of  adult tickets sold was 2

Step-by-step explanation:

Let

x ---> the number of children's tickets sold

y ---> the number of  adult tickets sold

we know that

the theater sold 33 tickets

so

x+y=33 -----> equation A

the theater made a total of $158.50

so

4.50x+9.50y=158.50 ----> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

using a graphing tool

The solution is the point (31,2)

see the attached figure

therefore

The  number of children's tickets sold was 31 and the number of  adult tickets sold was 2

5 0
3 years ago
If there are 7 blue chips and 5 red chips in a bag, what is the probability of drawing a blue chip?
Kazeer [188]

Answer:

7/12

Step-by-step explanation:

7+5=12

12-5=7

7/12

6 0
3 years ago
Read 2 more answers
Solve the given number problem.
Evgesh-ka [11]
I would say -26 because -22, -24, -26=-72
6 0
2 years ago
Read 2 more answers
A cylinder has a volume of 245 cubic units and a height of 5 units. the diameter of a cylinder is?
Vadim26 [7]
Volume = <span>πd^2h/4
245 = </span><span>π x d^2 x 5/4
d^2 = (245 x 4)/5</span><span>π = 62.39
d = sqrt(62.39) = 7.9 units
</span>
4 0
3 years ago
Read 2 more answers
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