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2 years ago

PLZ HELP HURRY??!!!

Mathematics

1 answer:

Varvara68 [4.7K]2 years ago

7 0

Y=5x+2 let me know if I’m right

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What type of angle pairs are angles a and b?

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Supplementary angles. They both add up to equal 180 degrees

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1 year ago

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Every month Tanesha pays a fixed fee of $10 to use the parking lot at her workplace. She must also pays $2 each day that she par

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2 years ago

Evaluate h-²g for h = 4 and g = 32.<br> 2<br> 1/2<br> 8

Hunter-Best [27]

Step-by-step explanation:

h2 - g

Putting values

(4)2 - 32

8 - 32

= - 24

3 0

2 years ago

(a) Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their wate

Anon25 [30]

Answer:

The margin of error (E) $=0.49$

Step-by-step explanation:

Given,

mean $\bar{x}=6.88$

standard deviation $\sigma=1.90$

sample size $n=41$

$90\% \quad \text{confidence interval}$

Critical value $=\frac{z_\alpha}{2}\quad \quad\quad[\because\;\alpha=1-\text{confidence interval}]$

$=1-0.90$

$\Rightarrow \alpha=0.1$

Critical value $=\frac{z_{0.1}}{2}$

$=z_{0.05}$

$=1.645$

The margin of error (E) $=\frac{z_\alpha}{2} \times\frac{\sigma}{\sqrt{n} }$

$=1.645\times\frac{1.90}{\sqrt{41} }$

$=0.49$

Hence, The margin of error (E) $=0.49$

Complete question is attached in below.

7 0

2 years ago

PLEASE HELP GUYS RIGHT NOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Margarita [4]

Answer:

Im on the same question so dont copy word for word

Step-by-step explanation:

The first error he made is that he didn't do the right steps in order to find the area of the two triangles. Instead he should have done 0.5 X 16 X 15 X 2= 240

Then the area for the three rectangles should be 16 X 8 + 17 x 8 + 17 X 8 = 400

If you add it all together, the surface area is actually 640 square meters.

7 0

2 years ago

PLZ HELP HURRY??!!!​

PLZ HELP HURRY??!!!