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Alona [7]
3 years ago
10

What is the answer 2( 4.8j + 4.57 ) ≤ - 19.06 – 18.6j

Mathematics
1 answer:
vesna_86 [32]3 years ago
7 0

Answer:

j\leq -1

Step-by-step explanation:

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Which of the following expressions are equivalent to 10 – 12? Choose all answers that apply:
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Its B


All you have to do is subtract 10-12 = -2 and 2(5-6) = -2 how? Subtract 5-6 that will equal to -1 now -1 x 2 = -2
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What is the GCF of 8 and 20<br> O 8<br> O2<br> O 4<br> O 10
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What is the GCF of 8 and 20

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3 years ago
Judy thinks there will be 325 people at the county fair on Friday, while Atticus thinks that there will be 600 people. On Friday
lana66690 [7]

Answer:

-Judy is closest to real value.

-% difference is 4.6%

Step-by-step explanation:

-We calculate the margin of errors for both Judy and Atticus:

ME_j=|Real value -Assumed|\\\\=|452-325|\\\\=127\\\\\\ME_a=|Real \ Value- \ Assumed|\\\\=|600-452|\\\\=148\\\\ME_a>ME_j

We realize that Judy's assumed value was nearer to the eal value than Atticus'.

The percentage ME difference is calculated as:

\% ME=\frac{ME}{Real \ Value}\\\\=\frac{148-127}{452}\\\\=0.04646=4.6\%

Hence, the % error difference is 4.6%

8 0
3 years ago
Need some help! <br>help giving 10 points ​
steposvetlana [31]

Answer:

The remaining lenghts are x = 20.364\,cm and y = 12.925\,cm.

Step-by-step explanation:

Given that there are two triangles opposite to each other and between two parallel lines, then both are similar, meaning than following relationships exist:

\frac{AC}{CD} = \frac{BC}{CE} = \frac{AB}{DE} (1)

If we know that AC = 11\,cm, CD = 28\,cm, BC = 8\,cm and DE = 32.9\,cm, then the missing lengths are, respectively:

\frac{11\,cm}{28\,cm} = \frac{8\,cm}{x}

x = \frac{(28\,cm)\cdot (8\,cm)}{11\,cm}

x = 20.364\,cm

\frac{11\,cm}{28\,cm} = \frac{y}{32.9\,cm}

y = \frac{(11\,cm)\cdot (32.9\,cm)}{28\,cm}

y = 12.925\,cm

The remaining lenghts are x = 20.364\,cm and y = 12.925\,cm.

5 0
3 years ago
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