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kirill [66]
3 years ago
14

Help me once again please :)

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
4 0

Answer:

d =  5

Step-by-step explanation:

Pythagorean Theorem

a^2 = b^2 = c^2

3^2 + 4^2 = 9 + 16 = 25

sqrt.25 = 5

Tju [1.3M]3 years ago
4 0

Answer:

D. 5 feet

Step-by-step explanation:

You can imagine the ladder forming a right triangle with the wall. The two legs are 3 feet and 4 feet. Using the Pythagorean Theorem:

l=\sqrt{4^2+3^2}=\sqrt{16+9}=\sqrt{25}=5

Hope this helps!

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The answer is c hope it’s right
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A shipment of 11 printers contains 2 that are defective. Find the probability that a sample of size 2​, drawn from the 11​, will
svet-max [94.6K]

The required probability is \frac{36}{55}

<u>Solution:</u>

Given, a shipment of 11 printers contains 2 that are defective.  

We have to find the probability that a sample of size 2, drawn from the 11, will not contain a defective printer.

Now, we know that, \text { probability }=\frac{\text { favourable outcomes }}{\text { total outcomes }}

Probability for first draw to be non-defective =\frac{11-2}{11}=\frac{9}{11}

(total printers = 11; total defective printers = 2)

Probability for second draw to be non defective =\frac{10-2}{10}=\frac{8}{10}=\frac{4}{5}

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7 0
4 years ago
If x – 10 is a factor of x2 – 8x – 20, what is the other factor?
Svetach [21]

Answer:

The other factor is (x+2)

Step-by-step explanation:

we know that

(x-a)(x-b)=x^{2}-xb-xa+ab

(x-a)(x-b)=x^{2}-(a+b)x+ab

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substitute and solve for b

x^{2} -8x-20=x^{2}-(10+b)x+10b

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Step-by-step explanation:

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