3 years ago

describe why it might not be a good idea to use a key where each symbol stands for 1 in a picture graph

1 answer:

8 0

It is not a good idea to use a key in a picture graph because it will give you the answer, and you will not have to do as much work and you won't understand how you got that answer.

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NEED ANSWERS!!!!!!!!!!

ch4aika [34]

Answer:

(1,0) and (3,0)

Step-by-step explanation:

The roots are always shown where the parabola crosses the x-axis.

In this particular graph, the parabola crosses at (1, 0) and (3, 0). Which means the roots are:

x = 1 and x = 3

6 0

3 years ago

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You need a 60% alcohol solution. On hand, you have a 480 mL of a 75% alcohol mixture. How much pure water will you need to add t

svetlana [45]

Answer:

120 mL

Step-by-step explanation:

If the 480 mL has 75% concentration, then 360 mL are alcohol. To turn the 360 into only 60%, you need to increase the amount of water.

5 0

2 years ago

The number of students enrolled at a college is 12,000 and grows 4% each year. Complete parts (a) through (e).

Paha777 [63]

Answer:

48000

Step-by-step explanation:

12000 students

1 =annually

12×4×1= 48000

3 0

3 years ago

A man spent 58% of his income and the amount of money left was $210. Find his income

professor190 [17]

Answer:

500 $

Step-by-step explanation:

$\frac{42\%}{210}=\frac{100\%}{x}$

$\frac{\frac{21}{50}}{210}=\frac{1}{x}$

$\frac{21}{50}x=210\\$

$\frac{21}{50}x\cdot \:50=210\cdot \:50\\$

x=500

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2 years ago

Factorise x2 + 10x + 16

d1i1m1o1n [39]

Answer:

hope this helps, (x+2) (x+8)

Step-by-step explanation:

factor x^2 + 10x+16 using the AC Method

6 0

2 years ago

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