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KengaRu [80]
3 years ago
9

3k- 10k + 7 factoring

Mathematics
1 answer:
arsen [322]3 years ago
7 0

Answer:

7(−k + 1)

Step-by-step explanation:

3k−10k + 7

= −7k + 7

= 7(−k + 1)

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Help! Plz thank you!!!!
Brums [2.3K]

Answer:

i do not see a picture or an image of what you need.

Step-by-step explanation:

6 0
3 years ago
Find the z score that cuts-off the largest 9% under the standard normal curve. a) -1.34 b) 1.34 c) 0.536 d) 1.28
topjm [15]

Answer:

b) 1.34

Step-by-step explanation:

The z score is used to determine the number of standard deviations by which the raw score is above or below the mean. If the z score is positive then the z score is above the mean while for a negative z score implies that it is below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma}

For the largest 9%, the score is 100% - 9% = 91% = 0.91

From the normal distribution table, the z score that corresponds to 0.91 is 1.34

4 0
2 years ago
A certain high school reported that only 74% of its students enroll in a math class during senior year. If
denis-greek [22]

Answer:

<em>550 </em><em>students are in the school.</em>

Step-by-step explanation:

The way I found my answer was by first turning<em> 74% into a decimal</em>, which is <em>0.74</em>.  Then I <em>divided 407 </em>by<em> 0.74</em> and I got<em> 550</em>.  Therefore, <em>550 is our answer.</em>

5 0
2 years ago
In a cookie mix, we find spice cookies, snickerdoodle cookies, and no-bake cookies in a ratio of 3:3:5. If a bag of the mix cont
mixas84 [53]

Answer:

see the explaination

Step-by-step explanation:

let x be 3:3:5

3x:3x:5x

3x is splice cookies

3x is snickerdoodle cookies

5x is no bake cookies

where 5x is equal to 45

x is equal to 45÷5=9

so x is equal to 9

now,

3x = 3×9=27

3x = 3×9=27

5x = 45 (given)

now add all, total cookies =27+27+45

=99 cookies

so there are total 99 cookies in a cookie mix

5 0
3 years ago
Pythagorean Theorem( Radical Answers) Need this asap I would appreciate it:0
nexus9112 [7]

Answer:

2sqrt(13)

Step-by-step explanation:

x = sqrt(36 + 16)

x = sqrt(52)

x = sqrt(4*13) = 2sqrt(13)

5 0
2 years ago
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