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nlexa [21]
3 years ago
6

How do I solve w, squared, minus 81.

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
4 0
Nhnhb uujjjjjjnj b fuvuvuvvyvuvu bib bib in bibibibk. bibibibibibk ivuvivycuvuvuv jbibivibivuc ivvivibi
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Which equation represents a line which is parallel
erica [24]

Answer:

4x+5y=20

Step-by-step explanation:

bc if u subtract your 4x from both sides

then u should end up with 5y= -4x+20

then u divide the 5 from everything

then you end up with y= -4/5x+4

5 0
3 years ago
The height h, in feet, that an arrow will reach t seconds after being shot directly upward is given by the formula h = 112t - 16
Crank

Answer: E. 384ft.

Step-by-step explanation:

112 - 16 = 96

96 x 4 = 384 ft.

Hopefully this helps! :)

7 0
3 years ago
A publisher reports that 30% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is
Ierofanga [76]

Answer:

Test statistic = - 2.29

Pvalue = 0.0110

Step-by-step explanation:

The hypothesis :

H0 : p = 0.3

H1 : p < 0.3

Test statistic :

z=pˆ−p/√p(1−p)/n

pˆ = 0.2

Z = (0.20 - 0.30) / √(0.30(1 - 0.30) / 110

Z = - 0.1 / √0.0019090

Z = - 0.1 / 0.0436931

Z = - 2.29

Test statistic = -2.29

The Pvalue :

P(Z < -2.29) = 0.0110

4 0
3 years ago
I need to know how to solve this
Greeley [361]
Vertical angles are congruent, so
107=3x-4
3x=111
x=111/3=37°
8 0
3 years ago
Read 2 more answers
15 POINTS I REALLY NEED HELP!!!!!!!!!!!!!!!!!!!!!The solution to 16x = 48 is x = ___. (Only input the number.) Numerical Answers
AlexFokin [52]
<em>Hello there, and thank you for asking your question here on brainly.

<u>Short answer: 3
</u>
Why?

You can find this out by dividing 48 and 16. The number you get from it is how much 16s are in 48, which is the answer to our question. (48 / 16 ==> 3) Check: 16 * 3 = 48. This is correct.

Hope this helped you! ♥</em>
6 0
3 years ago
Read 2 more answers
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