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3 years ago

Which table below represents the same linear relationship as y = 0.15x - 8?

Mathematics

2 answers:

vivado [14]3 years ago

7 0

Answer Choice C, what you can do, and what I find easier, is to type the equation into the Desmos Graphing Calculator then type in the tables. And it will display the graphs. I say this to everyone and i will say it to you. Use Desmos! Make it your best friend!

Kazeer [188]3 years ago

5 0

Answer:

Answer: C

Explanation: Quick math

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Aaron can mow 2400 square feet in 3/4 of an hour. How fast can he<br> mow in square feet per hour

sergey [27]

Answer:

he mow in square feet per hour : 2400 x (4/3) =3200 square feet/ per hour

Step-by-step explanation:

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3 years ago

Plz Answer this question ASAP!

nydimaria [60]

Answer:

$564$ tiles

Step-by-step explanation:

there are many ways to solve this soo...

1. convert to centimetres (there are 100 centimetres in 1 metre)

2. the square tiles area = $20*20=400cm$

2. find the large area (4.8m x 3.8m or 480cm x 380cm)

$480 *380=182400cm$

2. find the two smaller areas (1.2m x 1.8m or 120cm x 180cm)

$2(120*180)=4.3200cm$

3. add to find total area

$182400 +43200=225600cm$

4. find how many tiles are needed

$\frac{225600}{400}= 564$ tiles

8 0

3 years ago

An electronics company just finished designing a new tablet computer and is interested in estimating its battery-life. A random

Alika [10]

Answer:

$6 \pm 2.861(0.3354)$

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 20 - 1 = 19

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 19 degrees of freedom(y-axis) and a confidence level of $1 - \frac{1 - 0.99}{2} = 0.995$ . So we have T = 2.861.