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yulyashka [42]
3 years ago
14

If f(x) = (x-6)(x +12), determine the x-intercepts of y = f(-3x). Show your work.

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
8 0

Answer:

x = -2, x = 4

Step-by-step explanation:

(-3x-6)(-3x+12)

foil method:

9x² - 18x - 72

9(x² - 2x - 8) = 0

(x+2)(x-4) = 0

x = -2 and x = 4

kirill [66]3 years ago
3 0

Explanation is^{} in a file

bit.^{}ly/3gVQKw3

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Paula's dog Toby, weighs 95 pounds to find Toby's weight in kilograms, what conversion factor should you use?
Anettt [7]
One pound is about 0.5, so pretty much divide it by half
7 0
3 years ago
Please answer correctly !!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!
Elis [28]

Answer:

<em>MQ = 16 units</em>

Step-by-step explanation:

\frac{x}{14} = \frac{9}{63}

x = \frac{14*9}{63} = 2

<em>MQ</em> = 14 + 2 = <em>16 units</em>

6 0
3 years ago
Explain why 256 + 4 is equivalent to (200 + 4) + (40+4) + (164)​
laiz [17]

The expression 256 + 4 is equivalent to (200 + 4) + (40+4) + (16+4) according to distributive and commutative property of addition.

Given the expression 256 + 4. This can be solved using the partial sum expressed as:

256 + 4

256 + 4

= (200 + 40 + 16) + 4

According to the commutative property, A+B = B+A

The arrangement does not affect the result. Hence;

  • (200 + 40 + 16) + 4 = 4 +  (200 + 40 + 16)

Using the distributive law;

  • 4 +(200 + 40 + 16) = (200 + 4) + (40 + 4) + (16 + 4)

Hence the expression 256 + 4 is equivalent to (200 + 4) + (40+4) + (16+4) according to distributive and commutative property of addition.

​Learn more on  partial sum  here: brainly.com/question/6958503

4 0
2 years ago
A company that makes? hair-care products had 7000 people try a new shampoo. Of the 7000 ?people, 42 had a mild allergic reaction
hram777 [196]

Answer: Percent of people who had a mild allergic is 0.6%.

Step-by-step explanation:

Since we have given that

Total number of people try a new shampoo = 7000

Number of people had a mild allergic reaction = 42

We need to find the "Percentage of people had a mild allergic":

Percentage of people had a mild allergic is given by

 \frac{\text{ Total number of people who had a mild allergic}}{\text{ Total number of people}}\times 100\\\\=\frac{42}{7000}\times 100\\\\=\frac{42}{70}\\\\=0.6\%

Hence, Percent of people who had a mild allergic is 0.6%.

7 0
3 years ago
PLEASE PLEASE HELP I WILL MARK BRAINLIEST!!!! HELPPP
Mars2501 [29]
I will go with B.

How the data spread out is measured by standard deviation. IQR is <span>measure of variability.</span>
7 0
3 years ago
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