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3 years ago

7th grade stuff please help part b please

Mathematics

2 answers:

Ipatiy [6.2K]3 years ago

6 0

The answer is B. Hope I helped!

gtnhenbr [62]3 years ago

3 0

You must find the range of both Tea's and Umeko's scores, then compare them, this will giver you your answer to who has the larger range.

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-1/2 (-2x + 4y)=____________________________

Len [333]

Answer:

-1/2 (-2x + 4y)= x - 2y

Step-by-step explanation:

-1/2 (-2x + 4y)

x - 2y

7 0

3 years ago

Read 2 more answers

Ok guys ik that this isn't a part of academic but i wanna say a story ... since i had 15 subs ive always wanted 100 .. like so b

Contact [7]

I'll sub my guy. Don't give up, keep climbing.

5 0

2 years ago

What is the amplitude of the cosine function corresponding to the secant function graphed below ? a. -2 b. -1 c. 2 d. 3

Bas_tet [7]

Answer:

Step-by-step explanation:

From the graph, we obtain the trigonometric function as:

$y=2 \sec x+1$

The corresponding cosine function have equation.

$y=2\cos x+ 1$

This function is of the form: $y=a\cos bx+c$

where $|a|$ is the amplitude.

Therefore the amplitude is |2|=2

The third choice is correct

7 0

3 years ago

An important application of regression analysis in accounting is in the estimation of cost. By collecting data on volume and cos

Amanda [17]

Answer:

Y = 7.60X + 1246.67

Step-by-step explanation:

Given the data:

Production Volume (units) Total Cost ($)

400 4000

450 5000

550 5400

600 5900

700 6400

750 7000

Using technology, the linear regression calculator, the regression model obtained by fitting the data is :

Y = 7.60X + 1246.67 ; which is the model giving the relationship between Production volume, x and total cost, y.

Slope = 7.60

Intercept = 1246.67

6 0

3 years ago

(2) The population density of a region in Alaska is 3,000 people/200 mi? Which of the

Vesna [10]

Answer:

15 people/mi

Step-by-step explanation:

The population density of a region in Alaska is 3,000 people/200 mi.

We need to find the equivalent to the population density of this Alaskan region.

$x=\dfrac{3000\ \text{people}}{200\ \text{mi}}\\\\x=\dfrac{30\ \text{people}}{2\ \text{mi}}\\\\x=\dfrac{15\ \text{people}}{\text{mi}}$

So, the correct option is (c) "15 people/mi"

8 0

3 years ago