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Dahasolnce [82]
3 years ago
11

Simplify 5m - 7 - 8m + 10

Mathematics
2 answers:
Bogdan [553]3 years ago
8 0

Answer:

−3m + 3

Step-by-step explanation:

mote1985 [20]3 years ago
5 0

Answer:

-3m + 3

Step-by-step explanation:

You add like terms

So you add 5m to -8m

5 - 8 = -3

-3m

Then you add 10 to -7

-7 + 10 = 3

-3m + 3

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the sum of the 10th and 11th terms of an arithmetic sequence is 65 what is the sum of its first 20th terms​
Dmitriy789 [7]

Answer:

this is the answer

Step-by-step explanation:

a 65

b 650

c 52

d 3

6 0
2 years ago
An order form from least to greatest with these numbers 2.07,2 an 7/10,2.67 -2.67
olganol [36]

Answer:

Step-by-step explanation:

-2.67

7/10

2.67

2.07,2

4 0
2 years ago
Two sides of a triangle are 4 meters and 12 meters long . Which of the following is not a possible length of the third side?
natulia [17]

Answer:

it is D

Step-by-step explanation:

:)

7 0
2 years ago
Read 2 more answers
What is the exact volume of the cone?
Fudgin [204]
We know, Volume of a cone = πr² h/3
It would be: π * (4)² `10/3
= π * 16 * 10 / 3
= 160π / 3 cm³

In short, Your Answer would be Option C

Hope this helps!
7 0
2 years ago
Is sin A is 7/10 what is Cos A
viva [34]

Answer:

Cos A = (√51)/ 10

Step-by-step explanation:

sin  is opposite/hypothenuse

cos is adjacent/hypothenuse

Pythagorus theorem says that c² = a² + b²

10² = 7² + b²

b² = 100 - 49

b = ±√51

It doesn't make sense for a length to be a minus number therefore, we will use +√51.

Cos A = (√51)/ 10

Tell me if I am wrong.

Can I get brainliest

5 0
3 years ago
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