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2 years ago

What is the y-intercept of the function in the table?

Mathematics

1 answer:

kirza4 [7]2 years ago

6 0

The y intercept is the starting point of a graph, which is 0. find 0 in the graph. that’s your y intercept. (0,8)

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On a map of North America, the scale is:

Zolol [24]

The scale factor as I understand it will just be 1 to 30, inches to miles.

however, in this case it seems to be suggesting a conversion to the same unit, say hmmm let's convert the miles to inches.

$\bf 30~\underline{mi}\cdot \cfrac{5280~\underline{ft}}{\underline{mi}}\cdot \cfrac{12~in}{\underline{ft}}\implies \cfrac{30\cdot 5280\cdot 12~in}{1}\implies 1900800~in\\\\
-------------------------------\\\\
\stackrel{in}{1}:\stackrel{mi}{30}\implies \stackrel{in}{1}:\stackrel{in}{1900800}$

4 0

3 years ago

Using the volume of a cylinder formula. Calculate the volume of the cylinder. *

Romashka [77]

Answer:

The first answer choice: 15 cm x 3.14 cm x 2cm^2 = 188.4 cm^3

Step-by-step explanation:

Formula:

V=πr^2h

radius=2

height=15

V=π(2)^2*15

π(4)*15

4*15=60

60π

π=3.14

60(3.14)

188.4

Since its volume you have to cube it

188.4 cm^3

3 0

4 years ago

Lin is reading a 47- page book. She read the first 20 pages in 35 minutes.

Zinaida [17]

Answer:

No, it will take Lin 82.25 min to finish her book

40 pages take 70 min which is over an hour so she can finish in a hour. She needs an additional 22.25 mins

Step-by-step explanation:

3 0

3 years ago

Solve 2x2+x-6 = 0 O (-3/2, 2) OD O (-2, 3/2)

irina [24]

✨ Using factorisation method ✨

‌

$\begin{cases}\tt \Large \orange\rightarrow \: \: 2 {x}^{2} \: + \: x \: - \: 6 \: = \: 0 \\ \\\tt \Large \orange\rightarrow \: \:2 {x}^{2} \: + \: 4x \: - \: 3x \: - \: 6 \: = \: 0 \\ \\ \tt \Large \orange\rightarrow \: \:2x(x + 2) \: - 3(x + 2) \: = \: 0 \\ \\ \tt \Large \orange\rightarrow \: \:(2x - 3) \quad \: (x + 2) \: = \: 0 \\ \\ \tt \Large \orange\rightarrow \: \:(2x - 3) = 0 \quad \: (x + 2) = 0 \\ \\ \tt \Large \orange\rightarrow \: \:2x \: = \: 3 \quad;\quad \: x \: = \: - 2 \\ \\ \rm \Large \orange\rightarrow \: \:x \: = \: \frac{3}{2} \quad ;\quad \: x \: = \: - 2 \\ \end{cases}$

Hence , option d is the correct answer

6 0

3 years ago

Lori rented a car for one day. The daily rental rate was $12.50 plus 25 cents per mile. The total cost of her rental was $46. Ho

crimeas [40]

46=12.5+.25x
33.5=.25x
x=134
Final answer: 134 miles

5 0

3 years ago