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Alexandra [31]
2 years ago
14

Apply the distributive property to simplify the expression-4(5x +2)

Mathematics
2 answers:
Art [367]2 years ago
8 0

Answer:

-20x-8

Step-by-step explanation:

Apply the distributive property: a(b + c) = ab + ac

Sedaia [141]2 years ago
7 0

Answer:

−20x − 8

Step-by-step explanation:

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Two times the quantity<br> three more than x is nine
Yuki888 [10]

Answer:

X = 1.5 if that is your question

Step-by-step explanation:

8 0
2 years ago
What is 34 x 222 x 4 5 - 67
erica [24]

Answer:

339593

<h2>Consider geting me brainliest if this helped</h2>

8 0
2 years ago
Read 2 more answers
A study found that a 95% confidence interval for the mean μ of a particular population was computed from a random sample of 1200
kotykmax [81]

Answer:

95% confidence interval for the mean μ is (6,14)

The Population mean μ lies between ( 6, 14 )

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given random sample 'n' = 1200

95% confidence interval for the mean μ is determined by

        (x^{-} -Z_{\alpha } \frac{S.D}{\sqrt{n} } , x^{-} +Z_{\alpha } \frac{S.D}{\sqrt{n} } )

Level of significance = 95% 0r 0.05

Z₀.₀₅ = 1.96

   (x^{-} -Z_{\alpha } \frac{S.D}{\sqrt{n} } , x^{-} +Z_{\alpha } \frac{S.D}{\sqrt{n} } ) = 10 ± 4

Mean of the small sample = 10

95% of confidence intervals are

                         ( 10 ±4 )

                  ( 10 -4 , 10+4)

                  ( 6 , 14 )

95% confidence interval for the mean μ lies between ( 6, 14 )

8 0
3 years ago
On a coordinate grid, AB has an end point B at (24, 16). The midpoint of AB is P(4, -3). What is the y-coordinate of Point A?
inysia [295]

The y-coordinate of point A is -22

Step-by-step explanation:

Given

B = (24,16)

P = (4,-3)

The formula for mid-point of AB will be given by:

P = (\frac{x_A+x_B}{2} , \frac{y_A+y_B}{2})

As we already know the y-coordinate of midpoint

We can put the formula's y coordinate equal to the given value

\frac{y_A+y_B}{2} = -3\\\frac{y_A + 16}{2 } = -3\\y_A+16 = -3 * 2\\y_A +16 = -6\\y_A = -6-16\\y_A = -22

Hence,

The y-coordinate of point A is -22

Keywords: Mid-point, coordinate geometry

Learn more about coordinate geometry at:

  • brainly.com/question/5565320
  • brainly.com/question/5720422

#LearnwithBrainly

7 0
3 years ago
Thank yous to whoever solves first. I will mark brainliest
Montano1993 [528]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
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