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3 years ago

What is |x|+|y|, if x=5 and y=-7 A. 2 B. 12 C. -2 D. -12

Mathematics

2 answers:

Stells [14]3 years ago

8 0

Answer:

the correct answer is b

Step-by-step explanation:

alekssr [168]3 years ago

8 0

Answer:

B. 12

Step-by-step explanation:

|x|+|y|

|5|+|-7|

Absolute value means always positive to take the positive value of the number

5 + 7

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C and D are mutually exclusive events. Find P(C or D). P(C)= 3/7= P(D)= 4/7 P(C or D)

IgorLugansk [536]

Answer:

$P(C\ or\ D) = 1$

Step-by-step explanation:

Given

$P(C) = \frac{3}{7}$

$P(D) = \frac{4}{7}$

Required

$P(C\ or\ D)$

Since the events are mutually exclusive, then:

$P(C\ or\ D) = P(C) + P(D)$

So, we have:

$P(C\ or\ D) = \frac{3}{7} + \frac{4}{7}$

Take LCM

$P(C\ or\ D) = \frac{3+4}{7}$

$P(C\ or\ D) = \frac{7}{7}$

$P(C\ or\ D) = 1$

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3 years ago

The table shows the conversion of several amounts of liters to liquid pints.

aniked [119]

Answer:

Step-by-step explanation:

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3 years ago

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Given the terms a10 = 3 / 512 and a15 = 3 / 16384 of a geometric sequence, find the exact value of the term a30 of the sequence.

GenaCL600 [577]

The answer is $\frac {3}{2^{29}}$

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3 years ago

The cost of holding a children's birthday party at a rollerskating rink is a function of n, the number of people in the party. T

Bas_tet [7]

Answer: It would cost $150 for a party of 9 people and it would cost $260 for 20 people

Step-by-step explanation:

The number 9 falls in between 0<n<_ 12 so the cost is 150

The number 20 falls in between 12<n<_ 20 so the cost is 260

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2 years ago

Always ? Sometimes? Never Explain

Stels [109]

Answer:

Sometimes

Step-by-step explanation:

Quadrilaterals are shapes with four sides.

This means some quadrilaterals will have 4 equal sides, others will have no equal sides!

There is no rule determining side length equivalence in quadrilaterals. But those may be sub-classified as other shapes.

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3 years ago