Which expression is equivalent to 0.8a−2(b−0.3a)+b ?
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1.4 a - b expression is equivalent to 0.8a−2(b−0.3a)+b.
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0.8a - 2 (b - 0.3a) + b
Expand the expression.
0.8a - 2b - 2(-0.3a) + b
Determine the sign.
0.8a - 2b - 2*0.3a + b
Multiply the monomials.
0.8a - 2b +0.6a + b
Combine like terms.
1.4a - b
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Answer: 1.4a-b
Step-by-step explanation:
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Answer:
y = x^2 +2
Step-by-step explanation:
x^2 is parabolic not linear
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Because they are both 6 on the bottom, so you should see if 2 is less than 5 or not... and the answer is yes :))))
I hope this is helpful
have a nice day
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Answer:16/243
Step-by-step explanation: multiply the numerator by -2 and multiply the denominator by 3.
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In that case, try to bring all numbers into one format.
75% = 0.75
4/5 = 0.8
So, 75% is the smallest whereas 0.9 is largest
75%
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x+6 - length
x=5 feet
x+6=11 feet
Final answer:
The dimensions of the barn wall are found by setting up and solving a quadratic equation involving its area and the relationship between its length and width. Discarding the nonsensical negative solution, we find that the width of the wall is 5 feet and the length is 11 feet.
Explanation:
Given that the area of the rectangular wall is 55 sq. ft. and the length is 6 ft. longer than the width, we can assign the width as x and the length as x + 6. Therefore, length multiplies width equals to the area of the rectangle, we then have the equation: x * (x + 6) = 55.
After rearranging the equation, we obtain: x² + 6x - 55 = 0. This is a quadratic equation that we can solve using the quadratic formula or by factoring if possible. Factoring results in (x - 5)(x + 11) = 0. Setting each factor equal to zero gives the possible solutions x = 5 and x = -11.
However, since the dimensions of a physical object (in this case, width of the barn wall) cannot be negative, we discard x = -11. Therefore, the barn wall has a width of 5 feet and a length of 5 + 6 = 11 feet.
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Because i can write by phone. So just write 18 in the left side of 3/7