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Trava [24]
4 years ago
8

(5m 3 + 3mn 2) + (-7m 2n + mn 2 - n 3) - (mn 2 + 2m 3)

Mathematics
1 answer:
lara [203]4 years ago
8 0

Answer:

3m^{3}+3mn^{2}  -n^{3}- 14mn

Step-by-step explanation:

I assumed that the numbers after the spaces were powers. This question was rather unclear.

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What’s 2.5 times 0.3 with four decimals places
aleksandr82 [10.1K]

\mathrm{Multiply\:without\:the\:decimal\:points,\:then\:put\:the\:decimal\:point\:in\:the\:answer},25\cdot:3=75,2.5\mathrm{\:has\:}1\mathrm{\:decimal\:place},0.3\mathrm{\:has\:}1\mathrm{\:decimal\:place},\mathrm{Therefore,\:the\:answer\:has\:}2\mathrm{\:decimal\:places},=0.75

Hope This helps!!!

6 0
4 years ago
At a basketball game, a team made 53 successful shots. They were a combination of 1- and 2-point
forsale [732]

Answer:

35 two pointers, 18 one pointers

Step-by-step explanation:

equations:

x + y = 53

x + 2y = 88

solving them:

y = 35

x = 18

8 0
3 years ago
Question is on the picture
aleksklad [387]

Answer:

12/5

Step-by-step explanation:

tan A = opp/adj

For angle theta, 12 is the opposite leg.

13 is the hypotenuse.

We were not given the length of the adjacent leg, but we can use the Pythagorean theorem to find it.

a^2 + b^2 = c^2

a^2 + 12^2 = 13^2

a^2 + 144 = 169

a^2 = 25

a = 25

The adjacent leg has a length of 5.

tan theta = opp/adj

tan theta = 12/5

Answer: 12/5

4 0
3 years ago
How can you check your answer?
mars1129 [50]

Answer:

Option D is correct

Step-by-step explanation:

Multiply 7 by 3. then add 3 and make sure  the answer is 24.

7 x 3 + 3 = 21 + 3 = 24

Hope this helps!

:)

3 0
4 years ago
I need help on 1-6, plzzz
Neporo4naja [7]

hey  1-6 =5 is this what you were looking for?

5 0
4 years ago
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