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Reptile [31]
3 years ago
8

Which are factors of x2 - 4x - 5? Select two options.

Mathematics
1 answer:
Aleks04 [339]3 years ago
3 0

Step-by-step explanation:

x2 - 4x - 5

First we will multiply 5 by 1 the answer is 1 now we have to find the factors of 5 so it is just 5 and 1 so

x2 - 5x + x - 5

x ( x - 5) + 1 ( x - 5)

(x + 1) and ( x - 5) are the factors

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Which point on the number line is located at approximately 13/17
Dmitry_Shevchenko [17]
A number line consists only of one axis, conventionally a horizontal axis. Just create a line, and scale it according to practicality and your preference. Usually, it has an interval of 1 unit. But for this case, since it is in fraction form, the interval should be smaller so that you can see clearly where it is located. 

In decimal form, 13/17 is equal to 0.7647058824. Let's just round this off to 0.764, that can suffice already. So, you would expect it to be between 0.7 and 0.8 on the number line. Just estimate visually where it is located. Since, it is more than 0.75, the dot would be just slightly closer to 0.8 than 0.7. The exact location is shown in the attached picture.

7 0
3 years ago
Dori and Malory are tracking their steps taken as a health goal. Dori leaves her house at 12:00 p.m. and walks at 50 steps per m
docker41 [41]

Hi There!


Dori leaves her house at 12pm.

50 steps per minute until 12:20pm.

Dori has a 20 minute advantage over Malory, find the amount of steps she is ahead by,

12 - 12:20pm. steps = 20 minutes = 20 x 50 = 1000 steps


Malory leaves her house at 12:20pm.

Walks 90 steps per minute.

12:20 -  12:30 pm. = 10 minutes = 10 x 90 = 900


Dori 12:20 - 12:30pm. = 10 minutes = 10 x 50 = 500

500 + 1000 = 1500


Mallory 12:30 - 12:40 = 10 minutes = 10 x 90 = 900

900 + 900 = 1800


Dori 12:30 - 12:45pm. = 15 minutes = 15 x 50 = 500

1750 + 500 = 2250


Mallory 12:40 - 12:45pm. = 5 minutes = 10 x 90 = 900

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Answer: they have the same number steps at 12:45 p.m.


Hope This Helps :)

3 0
3 years ago
39 less than twice a number is 5 times the sum of a number and two times the number. Find the number
umka2103 [35]
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3 0
3 years ago
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vovikov84 [41]
X^2+2x-5x-10
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(x-5)(x+2)
6 0
3 years ago
45 Tyrone is converting 50 to a percent. Which method should he use to find the percent? Divide the numerator and denominator of
laiz [17]

Answer:

3. multiply the numerator and denominator of the fraction by 2

Step-by-step explanation:

Multiplying the numerator and denominator by 2 is like multiplying the fraction by 2/2. 2/2 is one so it doesn't change the value.

8 0
3 years ago
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