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Oksana_A [137]
3 years ago
15

Which of the exponential growth functions has a multiplicative rate of change of 4

Mathematics
1 answer:
Evgen [1.6K]3 years ago
5 0

Answer:

C)the third option.

Step-by-step explanation:

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Find the length of AB and AC. please help...
Dmitry_Shevchenko [17]

Answer:

AB=30

AC=22.5

Step-by-step explanation:

8/15=12/x

x=22.5 (AC)

8/15=16/x

x=30 (AB)

4 0
3 years ago
Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2. Samples of size 100 from
garri49 [273]

Answer:

standard error = 2.11

Step-by-step explanation:

First we stablish the data that we have for each sample:

<u>Population 1</u>                                          <u>Population </u>2

n₁ = 100                                                     n₂ = 90

x¯1= 95                                                    x¯2 = 75

σ₁ = 14                                                        σ₂ = 15                  

To calculate the standard error of each sample we would use the formulas:

σ = σ₁/√n₁

σx¯2 =  σ₂/√n₂

Now, in order to obtain the standard error of the differences between the two sample means we combine those two formulas to obtain this:

σx¯1 - σ x¯2  = √(σ₁²/n₁ + σ₂²/n₂ )

So as you can see, we used the square root to simplify and now we require the variance of each sample (σ²):

σ₁² = (14)² = 196

σ₂² = (15)² = 225

Now we can proceed to calculate the standard error of the distribution of differences in sample means:

σx¯1 - σx¯2  = √(196/100 + 225/90) =  2.11

This gives an estimate about how far is the difference between the sample means from the actual difference between the populations means.

6 0
3 years ago
Question one* w•63=11<br>question two* 17=t•90
umka2103 [35]
#1 - 11/63
#2 - 17/90
3 0
3 years ago
Read 2 more answers
-3x^2 – 24x – 13 = -13
Fudgin [204]
\begin{gathered} -3x^2-24x-13=-13 \\ \text{ Express it as:} \\ 3x^2+24x+26=0 \\ 3x^2+24x=-26 \\ 3(x^2+8x+16)=?-26 \\ 3(x+4)^2=48-26 \\ 3(x+4)^2=22 \end{gathered}

oh,

3 0
1 year ago
Help me please! I don’t understand! I’ll give you brainly!
cricket20 [7]

Answer:

Does not represent a polynomial

Step-by-step explanation:

8 0
3 years ago
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