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Darya [45]
3 years ago
5

How do I do these types of problems? (And how do I do this one specifically)

Mathematics
2 answers:
Ymorist [56]3 years ago
8 0
Idk lemme ask my son
zhenek [66]3 years ago
4 0
This is basically a part of PEMDAS.

First, you must do the parenthesis part, meaning to find the answer inside the parenthesis first.

Subtract 13.5–4.5 to get rid of the parenthesis. You get 9.

Now, finish the equation off: 5·9 (five times nine). You end up with 45.
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Two stockings have different amounts of candy canes. The girl said to the boy, "if I give you one of my candy canes, we'll have
maria [59]

Answer:

girl = 7

boy = 5

Step-by-step explanation:

8 0
3 years ago
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The railroad company wants to sell $8,134 in tickets. If each ticket costs $7, how many
Licemer1 [7]

Answer:

1162 tickets will need to be sold

Step-by-step explanation:

8134 / 7 = 1,162

8 0
2 years ago
⦁ A sphere is inscribed in a cube with a volume of 27 cm3. What is the volume of the sphere?
lyudmila [28]

Answer:

≈ 14.14 cm³

Step-by-step explanation:

First find the side length of the cube.

V=S³

27=S³

∛27=∛s³

3=S

Then the volume of the sphere.

V=\frac{4}{3} × π(pi) × r³(radius cubed)

V=\frac{4}{3} × π(pi) × (1.5³)

 =\frac{9}{2}π cm³ ≈ 14.14 cm³

4 0
3 years ago
Someone please answer this correctly!!
Luda [366]

Answer:

1.98 × 10^10

Step-by-step explanation:

First solve for how many text messages were sent out per one month:

22,000,000 × 900

19,800,000,000

Convert into scientific notation:

1.98 × 10^10

In scientific notation, there can only be one number before the decimal. The rest of the numbers must be after the decimal; hence, why I put the numbers 9 and 8 after the decimal. If the rest of the numbers are zeros, you do not have to add them after the decimal. Instead, starting from right to left, count the number places until you reach your decimal. The number you have counted will be your exponent. I counted nine 0's, one 8, and one 9 which made this exponent 10 as there were 10 decimal placements.

6 0
3 years ago
If x is 5, then 6x= __.
Misha Larkins [42]

Answer:

30

Step-by-step explanation:

Plug in x:

6(5)=30

5 0
3 years ago
Read 2 more answers
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