3 years ago

Is anyone else taking Algebra 2 honors on Edge nuity? let me know!!!!

Mathematics

1 answer:

Dmitriy789 [7]3 years ago

6 0

Answer:

Nope

Step-by-step explanation:

I'm in 7th grade.

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Sharon is twice as old as Brian, and in 5 years the sum of their ages will be 25 years. Find their present ages.

Vinil7 [7]

Sharon's age= 2x
Brian's age= x

(2x-5)+(x-5)= 25
3x-10=25
3x=15
x=5
Brian is 5 years old and Sharon is 10

3 0

3 years ago

Please help! ASAP will give brainiest

katen-ka-za [31]

I got a decimal,10.66.

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3 years ago

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Write the following as a decimal, use repeating decimals when necessary 6/11

STatiana [176]

Answer:

.545454545

Step-by-step explanation:

I used my calculator for it I am terribly sorry if it's wrong

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3 years ago

A set of average city temperatures in May are normally distributed with a mean of 20.66 ^\circ \text{C}20.66

Angelina_Jolie [31]

Answer:

0.9962

Step-by-step explanation:

The z score shows the number of standard deviations by which the raw score is above or below the mean. If the raw score is above the mean then the z score is positive but if the raw score is less than the mean then the raw score is negative. The z score is given by:

$z=\frac{x-\mu}{\sigma}\\ \\\mu=mean,\sigma=standard\ deviation, x=raw\ score$

μ = 20.66°C, σ = 2°C

For x < Singapore temperature, i.e. x < 26

$z=\frac{x-\mu}{\sigma} =\frac{26-20.66}{2}=2.67$

From the normal distribution table P(x < 26) = P(z < 2.67) = 0.9962

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3 years ago

If a point on the pre-image has coordinates (3.-4), and the coordinates of Its Image are (12,-16), what scale factor was

Ksenya-84 [330]

Answer:

scale factor of 4

Step-by-step explanation:

3 times 4 equals 12

-4 times 4 equals -16

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3 years ago