All categories

2 years ago

3. Which of the following are the roots of the quadratic function below?

Mathematics

2 answers:

Stels [109]2 years ago

8 0

Answer I don’t know sorry

sergejj [24]2 years ago

4 0

Answer:

x = ± 12

Step-by-step explanation:

Given

f(x) = x² - 144

To find the roots set f(x) = 0, that is

x² - 144 = 0 ( add 144 to both sides )

x² = 144 ( take the square root of both sides )

x = ± $\sqrt{144}$ = ± 12

You might be interested in

i need help with this and i just copy and paste it.Beth's mother made some cookies. She put 4 cookies on each of 8 plates. Which

mr_godi [17]

Answer:

4x8=32

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Suppose an opaque jar contains 3 red marbles and 10 green marbles. The following exercise refers to the experiment of picking tw

kow [346]

Answer:

$\frac{5}{13}$

Step-by-step explanation:

Given,

Red marbles = 3,

Green marbles = 10,

So, the total marbles = 3 + 10 = 13,

$\because \text{Probability}=\frac{\text{Favourable outcomes}}{\text{Total outcomes}}$

Since, here replacement is not allowed,

Thus, the probability of getting a green marble and a red marble

= first red and second green + first green second red

$=\frac{3}{13}\times \frac{10}{12}+\frac{10}{13}\times \frac{3}{12}$

$=2\times \frac{3}{13}\times \frac{10}{12}$

$=\frac{30}{78}$

$=\frac{5}{13}$

Note : The probability of getting a green marble first and a red marble second

= $\frac{10}{13}\times \frac{3}{12}$

$=\frac{30}{156}$

$=\frac{5}{26}$

4 0

3 years ago

PLEASEEE HELPP MEEE ASAP!!!!!!! WITH NUMBER 6!!!! PLEASEE HELPP MEE NO GUESSING PLEASEEE!!!! ANSWER IT CORRECTLYYY!!!!!!!

Kisachek [45]

Answer:

A stem and leaf plot is not suitable in this data because this data is not kind of data for a stem and leaf plot.

Step-by-step explanation:

If you're finding out the mean for this plot You could use a stem and leaf plot.

7 0

3 years ago

Steven has 14 steel balls of equal weight. If he puts 9 of them in one pan of a pan balance and the rest along with a weight of

nikklg [1K]

Answer:

answer os 5 grams

Step-by-step explanation:

i took the test

7 0

3 years ago

Sally can drive 750 miles in 12 hours and 30 minutes. What is her unit rate in miles per hour?

Kaylis [27]

Answer:

Step-by-step explanation:

750÷12.5=60

Convert 12 and a half hours into a decimal.=12.5

You would divide the 750 by the 12.5.

8 0

3 years ago