3 years ago

contradictions!!!! i dont get them help me with 5 of them pleaseee i will mark you brainlest answer and everything

1 answer:

3 0

Contradictions usually mean they go against established rules. Squaring a negative number is one example if it is in math. But just think of anything that goes against what is known.

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A number is selected randomly from the integer from 10to30 what is the probability of picking a multiple of 4or5

arlik [135]

Answer:

$\frac{3}{7}$

Step-by-step explanation:

Start by finding how many integers there are from 10-30...

30-10+1=20+1=21

Note we have to add 1 since it is inclusive.

Now, let's find how many multiples of 4 or 5 there are from 10-30...

4*3=12

4*4=16

4*5=20

4*6=24

4*7=28

5*2=10

5*3=15

5*4=20

5*5=25

5*6=30

5+5-1=9

Note we have to subtract 1 since 20 is counted twice.

The probability would be...

$\frac{Multiples\ of\ four\ and\ five\ from\ 10-30}{Amount\ of\ integers\ between\ 10-30}=\frac{9}{21}=\frac{3}{7}$

6 0

2 years ago

Identify the graph of the inequality 2(2x – 1) + 7 < 13 or –2x + 5 < –10.

Aloiza [94]

Answer:

–2x + 5 < –10.

Decimal Form: 7.5

15/2

3 0

3 years ago

1) f(x) = 3x - 4 g(x) – x2 + 3x Find f(g(x))

yuradex [85]

Answer:

x=4/3

Step-by-step explanation:

8 0

3 years ago

Solve for x. -3+85-5=-8 A. -2. B.-1 C.-3/4 D.0

posledela

Answer:

-2

Step-by-step explanation:

-3+8x-5=-8

8x = -16

x = -2

5 0

3 years ago

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In the equation Y = 8x+ 5 the name for y are

Fofino [41]

Answer:

kg,otslitalitzlrluralurapur

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3 years ago