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Karo-lina-s [1.5K]
3 years ago
14

Como puedo resolver esta operación-3/7 - 2/5 + 9/70

Mathematics
1 answer:
Sholpan [36]3 years ago
6 0
57/70 because you turn a uncommon into a common denominator


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What is 4n-32? Factor your expression using the greatest common factor.
IgorC [24]

Answer:

4(n-8)

Step-by-step explanation:

take out 4 from 4n-32

so it's 4(n-8) coz 32÷4=8 so yeah

7 0
3 years ago
I need help with a MathsWatch question!
KIM [24]
To find the area of a circle, you do π × diameter (in this case 10). They have told you to use 3.142 as π, so you do 3.142 × 10 = 31.42. Because it's a semi-circle, you need to halve 31.42 to get 16.21, which is the answer
6 0
3 years ago
Read 2 more answers
(7z^3+42z^2-15z+1)- (36z^2+12z-21)​
My name is Ann [436]

Answer:

7z^3+6z^2-27z+22

Step-by-step explanation:

The given question is of subtraction:

So,

(7z^3+42z^2-15z+1)- (36z^2+12z-21)​

=7z^3+42z^2-15z+1-36z^2-12z+21

Combining alike terms to simplify

=​7z^3+42z^2-36z^2-15z-12z+1+21

=7z^3+6z^2-27z+22

So the answer in simplified form is:

7z^3+6z^2-27z+22 ..

6 0
3 years ago
Read 2 more answers
Hey can you keep me please I need this ASAP
natka813 [3]

Hey!

---------------------------------------------------------------------------

Question #1:

Least to greatest: 1.6 x 10^-2, 16%, 0.2, 3/5, 6^-1, √6

---------------------------------------------------------------------------

Question #2:

Greatest to least: 5^7, 9^5, 5.9 x 10^4, 15^4, 7.8 x 10^3

---------------------------------------------------------------------------

Hope This Helps :)

7 0
3 years ago
2(x-5)=3(x+7) Show the process, please.
chubhunter [2.5K]

Answer:

-31

Step-by-step explanation:

(2×x) - (2×5) = (3×x) + (3×7)

2x-10 = 3x+21

2x-3x = 21+10

-x = 31

therefore, x = -31

5 0
4 years ago
Read 2 more answers
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