Help me answer 49, ignore number 50 please.

Mathematics

2 answers:

Alika [10]3 years ago

7 0

A that’s the answers

ryzh [129]3 years ago

5 0

you solve it like an equation.

4x+20<40

4x<20

x<5

so the answer would be anything less than 5, which is A

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I need help thx .:D :D :D :D :D :D :D :D :D :D

Bumek [7]

Answer:

B) False.

Step-by-step explanation: 8 to the power of 2 plus 10 to the power of 2 gives you 164 but 18 to the power of 2 equals 324. In order to make a right triangle the answers have to be the same, but they are not so Paul cannot make a right triangle. Hope this answered your question.

7 0

3 years ago

Read 2 more answers

Use the Venn diagram to calculate probabilities. Circles A and B overlap. Circle A contains 15, circle B contains 10, and the in

grin007 [14]

Answer:

$(B) P(B)=\dfrac{16}{31}$

Step-by-step explanation:

From the Venn diagram, n(AUB)=31

The given probabilities in the option are calculated below:

$P(A)=\dfrac{21}{31}\\\\P(B)=\dfrac{16}{31}\\\\P(A|B)=\dfrac{P(A\cap B)}{P(B)}= \dfrac{6/31}{16/31} =\dfrac{6}{16}=\dfrac{3}{8} \\\\P(B|A)=\dfrac{P(B\cap A)}{P(A)}= \dfrac{6/31}{21/31} =\dfrac{6}{21}=\dfrac{3}{7}$