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trasher [3.6K]
3 years ago
7

1/2 ÷ (4 3/8)= How do you solve this? please show me how ​

Mathematics
1 answer:
qaws [65]3 years ago
7 0

Answer:

The answer is -4/35

Step-by-step explanation:

-1/2 ÷ 35/8

= -1/2 × 8/35

= -4/35

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Line s has a slope of 2/5. line t is perpendicular to s. what is the slope of line t​
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Which of the binomials below is a factor of this trinomial? 4x2 + 12x + 9A. 2x-3B. 2x-1C. 2x+1D. 2x+3
katrin [286]

In order to factorate the trinomial, let's first find its roots using the quadratic formula:

\begin{gathered} b^2-4ac=12^2-4\cdot4\cdot9=144-144=0 \\ x_1=x_2=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}=\frac{-12+0}{2\cdot4}=-\frac{12}{8}=-\frac{3}{2} \end{gathered}

Now we can write the trinomial in the form:

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So we have that:

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So 2x + 3 is a factor of the trinomial, therefore the answer is D.

8 0
2 years ago
Martha's bakery started with 200 cupcakes in the morning. After a busy afternoon there were only 60 cupcakes left. By what perce
Sonbull [250]

Answer: 70%

Step-by-step explanation:

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= 140/200 × 100

= 70%

7 0
3 years ago
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