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2 years ago

Someone please help fast

Mathematics

2 answers:

Bad White [126]2 years ago

4 0

Answer:

16/3 because you put a 1 under 8 since it's not a fraction hen multiple across

Step-by-step explanation:

pls give brainly

laila [671]2 years ago

3 0

Answer:

16/3

Step-by-step explanation:

2/3 x 8 =16/3 did this help?

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A consumer electronics company is comparing the brightness of two different types of picture tubes for use in its television set

puteri [66]

Answer:

The answer is "0.7794".

Step-by-step explanation:

Please find the complete question in the attached file.

Given:

$\to n_{1}=n_{2}=25\\\\$

Hypotheses:

$\to H_{0}:\mu_{B}-\mu_{A}\geq 0\\\\\to H_{a}:\mu_{B}-\mu_{A}< 0\\\\$

Testing statistics:

$\to z=\frac{(\bar{x}_{B}-\bar{x}_{A})-(\mu_{B}-\mu_{A})}{\sqrt{\frac{\sigma^{2}_{B}}{n_{1}}+\frac{\sigma^{2}_{A}}{n_{2}}}}=\frac{3.5-(0)}{\sqrt{\frac{16^{2}}{25}+\frac{16^{2}}{25}}}=0.77$

The test is done just so the p-value of a test is

$\to p-value = P(z < 0.77) = 0.7794$

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2 years ago

In the figure below, ∆ABC is similar to ∆DBE. Given that BE=10cm, AB=3cm and BD=4cm. Find the length of BC.

frez [133]

Check the picture below

solve for CB

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3 years ago

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2 years ago

The measure of ∠BAC is π/3 radians and the measure of ∠CAD is π/2 radians. What is the measure of ∠BAD?

GREYUIT [131]

9514 1404 393

Answer:

5π/6 radians

Step-by-step explanation:

The whole is the sum of the parts.

∠BAD = ∠BAC +∠CAD

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2 years ago

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miv72 [106K]

Answer:

Step-by-step explanation:

8a+8b are not equivalent 6a+5b

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