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laila [671]
3 years ago
9

The next three terms of the sequence 20, 40, 80, 160,… are 320, 640, and 1280.

Mathematics
1 answer:
hram777 [196]3 years ago
5 0
Correct

Its a geometric sequence with common ratio 2.
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F(19) = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7Bx%2B2%7D-%20%5Csqrt%7Bx-3%7D" id="TexFormula1" title="\frac{3}{x+2}-
Verizon [17]

Answer:

1/7 - 4

1/7 -28/7

\frac{-27}{7}

Step-by-step explanation:

6 0
2 years ago
A medical researcher claims that 10 % of children suffer from a certain disorder. Identify the type I error for the test.
Y_Kistochka [10]

Answer:

D: Reject the claim that the percentage of children who suffer from the disorder is equal to 10% when that percentage is actually 10%.

Step-by-step explanation:

In statistics, type I error is when we reject the null hypothesis even when it is true.

Now, the claim which is the null hypothesis is that that 10 % of children suffer from a certain disorder.

This means that a type I error will be;

Reject the claim that the percentage of children who suffer from the disorder is equal to 10% when that percentage is actually 10%.

7 0
3 years ago
What is -1 1/2, -12, -4.3 least to greatest
Yuri [45]

With negative numbers the larger the number the lower the value. For example -2 is less than -1

The order from least to greatest would be:

-12, -4.3, -1 1/2

8 0
3 years ago
0=x^2-4x+3 how many roots does this equation have
mars1129 [50]

Answer:

No complex roots; 3 real roots

Step-by-step explanation:

If a third order polynomial has any complex roots, then as a rule it has 1 real root and 2 complex roots.  In this particular case, the polynomial has three real roots, as can be determined by graphing the function.  The graph crosses the x-axis in 3 places.

5 0
4 years ago
A semi circle is drawn on to one of the shorter sides of the rectangle the shorter side of the rectangle measures 4 cm the area
tino4ka555 [31]

Answer:

I dont know I also need help with this

Step-by-step explanation:

this is so hard please help

3 0
3 years ago
Read 2 more answers
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