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2 years ago

Help me please please

Mathematics

1 answer:

tatyana61 [14]2 years ago

7 0

Answer:

answer is (1) 6yd 68 meter (2) 8dy 190 meter (3) 6yd 127 meter (4) 10 yd s

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What is the answer to 3x-(2x+4)

sammy [17]

Answer:

= x − 4

Step-by-step explanation:

Let's simplify step-by-step.

3x−(2x+4)

Distribute the Negative Sign:

=3x+−1(2x+4)

=3x+−1(2x)+(−1)(4)

=3x+−2x+−4

Combine Like Terms:

=3x+−2x+−4

=(3x+−2x)+(−4)

= x - 4

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3 years ago

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3.321 divided by 0.07

Taya2010 [7]

47.44 is the answer to this question

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3 years ago

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A curve has equation y=2/x square root what is dy/dx

Dafna11 [192]

Answer:

dee y by dee x

Step-by-step explanation: hope this helps! have a supercalifragilisticexpialidocious day! ◑﹏◐

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3 years ago

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The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122 and standard deviation of 22

marin [14]

Answer: 4.27% of adults in the USA have stage 2 high blood pressure.

Step-by-step explanation:

Let x be a random variable that denotes a person with high blood pressure .

Given: Average blood pressure: $\mu=122$

Standard deviation: $\sigma=22$

Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher.

The probability that an adult in the USA have stage 2 high blood pressure:

$P(x\geq160)=P(\dfrac{x-\mu}{\sigma}}\geq\dfrac{160-122}{22})\\\\=P(z\geq1.72)\ \ \ [z=\dfrac{x-\mu}{\sigma}]\\\\=1-P(z$

Hence, 4.27% of adults in the USA have stage 2 high blood pressure.

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3 years ago

7. The ordered pairs ((-1,-9), (5,9). (7.15)) are included in which function? 14

Sholpan [36]

Answer:

C. y=3x-6

Step-by-step explanation:

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3 years ago