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3 years ago

PLEASE!!!!!!!!!!!! HELPPPP!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Natalka [10]3 years ago

8 0

<h3>x less than or equal to 5</h3>

Bess [88]3 years ago

4 0

<h2>x less than or equal to 5 is your answer</h2>

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A rectangle has four sides so we double each side and add them to each other:

il63 [147K]

Answer: this many 4

Step-by-step explanation:

2(2x+7)+2(3x+8y)

=4x+14+6x+16y

=10x+16y+14

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2 years ago

The Venn diagram shows the results of two events resulting from rolling a number cube.

lorasvet [3.4K]

Answer:

Option B.

Step-by-step explanation:

From the given venn diagram it is clear that

$A={1,2}$

$B={1,2,3,4,5,6}$

$A\cap B={1,2}$

Since the intersection of A and B is non-empty, therefore by conditional probability

$P(B|A)=\dfrac{P(A\cap B)}{P(A)}$

$P(B|A)\cdot P(A)=P(A\cap B)$

$P(A\cap B)=P(B|A)\cdot P(A)$

Therefore, the correct option is B.

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3 years ago

Juniors and seniors at a local school were surveyed to see if they were left-handed or right-handed. The data is displayed in th

Novosadov [1.4K]

P(left handed senior) = 14/(36 + 14 + 44 + 106) = 14/200 = 0.07 = 7%

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2 years ago

Is 9.88 in scientific notation?

Vadim26 [7]

9.88 • 10°
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Ten to the power of zero

4 0

2 years ago

There are seven cats in my neighborhood, with an average of $41$ whiskers each. If one of the cats has $17$ whiskers, how many w

harkovskaia [24]

Answer:

Each of the other cats have 45 whiskers on average.

Step-by-step explanation:

Let x represent the average number of whisker of each cat.

We have been given that there are 7 cats in my neighborhood, with an average of 41 whiskers each.

The total number of whiskers of six cats would be $6x$ .

Since one of the cats has 17 whiskers, so the total number of whiskers of 7 cats would be $6x+17$

We will use average formula to solve our given problem.

$\text{Average}=\frac{\text{Sum of data points}}{\text{Number of data points}}$

Upon substituting our given values, we will get:

$41=\frac{6x+17}{7}$

Let us solve for x.

$41*7=\frac{6x+17}{7}*7$

$287=6x+17$

$287-17=6x+17-17$

$270=6x$

Switch sides:

$6x=270$

$\frac{6x}{6}=\frac{270}{6}$

$x=45$

Therefore, the each of the other cats have 45 whiskers on average.

8 0

3 years ago