3:5=x:50
Therefore 5 ×x = 50
x = 10
Therefore 3 × 10 = 30
therefore 30 blue pens
proof = 30 blue + 50 red= 3+ 5
therefore 80 = 8x
Answer:
Step-by-step explanation:
Slope= -3/1
plot from point (-2,4)
Answer: -0.833
Step-by-step explanation:
Calculate the approximate value.
Answer:
See explanation
Step-by-step explanation:
Simplify left and right parts separately.
<u>Left part:</u>
<u>Right part:</u>
Since simplified left and right parts are the same, then the equality is true.
Answer:
3x^2 - 13x - 1
Step-by-step explanation:
6x^2 - 5x (i think thats what you meant) + 3 - 3x^2 + 8x - 4
= 3x^2 - 13x - 1