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Vika [28.1K]
3 years ago
13

There is a bag with only red marbles and blue marbles.

Mathematics
1 answer:
Leviafan [203]3 years ago
5 0

Answer:

do 7/9*42. then you will get answer

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Dose anyone know the answer to this question?
RideAnS [48]

Answer:

-3

Step-by-step explanation:

-3k / ( k-2)   + 6 / ( k-2)

since the denominators are the same we can add the numerators

(-3k+6) / ( k-2)

Factor out -3

-3 ( k-2)/ ( k-2)

Cancel like terms

-3

4 0
3 years ago
Read 2 more answers
I NEED HELP ASAP WITH WORK SHOWN PLEASE GIVE ME AN ANSWER WITH WORK SHOWN Multiple choice questions The answers are 2.26,1.15,2.
HACTEHA [7]

Step-by-step explanation:

porportional means they scale by the same ratio

L / W = L_1 / W_2 = 5.4 / 2.5 = 6.21 / x

solve for x

3 0
3 years ago
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What is the factorization of the polynomial below<br>-x^2 - 15x - 56​
Andrej [43]

Answer:

Step-by-step explanation:

This is more easily understood if you take out a common factor of -1

-1(x^2 + 15x + 56)

7*8 = 56

7 + 8 = 56

-1 (x +8)(x+7)

3 0
2 years ago
Help with this problem please!
exis [7]
1. To solve for x, you can see that nearby C and D, the two angles are equal. We can ,therefore, make an equation and solve it:
5x - 29 = 3x + 19
- 3x
2x - 29 = 19
+ 29
2x = 48
÷ 2
x = 24

2. So for this part you would substitute the value of x and then minus that angle from 180:
3 × 24 = 72
72 + 7 = 79°
180 - 79 = 101° = ∠1

3. 180 = 101 = 79° = ∠2

4. 180 - 79 = 101° = ∠3

5. Angle 4 is equal to angle 3 because there is an alternate angle (z angle) so 101° = ∠4

6. 180 - 101 = 79° = ∠5

7.  180 - 101 = 79° = ∠6

8. To find angle 7, you have to substitute in x again, so:
5 × 24 = 120
120 - 29 = 91
180 - 91 = 89° = ∠7

9. Angle 8 is the same as angle 7 because they are opposite angles, so 89° = ∠8

10. Angles 2 and 3 are supplementary, which means they add up to 180°.

I hope this helps! :)

4 0
3 years ago
What’s the answer to (5 x 10^4) x (6 x 10^9) please help me
san4es73 [151]

Answer: 300000000000000 Scientific Notation: 3 x 10^14

 

Step-by-step explanation:  (5 x 10^4) = 50000  (6 x 10^9) = 6000000000  

50000 x 6000000000 = 300000000000000

7 0
2 years ago
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