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Savatey [412]
3 years ago
10

Use the rule to find the next five terms in the patterns 25,60,95,130 rule:add by 35

Mathematics
1 answer:
zmey [24]3 years ago
6 0

The next 5 terms are 165, 200, 235, 270, 305

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Solve u^2 = -4, where u is a real number. Simplify your answer as much as possible.
alexdok [17]

Answer:

2i and -2i

Step-by-step explanation:

I'll change u to x to be easier to understand.

x^2 = -4

sqrt(x^2) = sqrt(-4)

sqrt(-4) = 2i, or -2i

8 0
2 years ago
In an experiment you do a chi-square test comparing observed and expected progeny. Your calculated chi square is 0.375. With 1 d
myrzilka [38]

Answer:

It mean that the observed progeny is similar than the expected progeny. There is no a relationship between the categorical variables.

Step-by-step explanation:

The Chi-squared test is used to test the relationship between categorical variables. A categorical variable is a non-numerical variable. The null hypothesis of the Chi-squared test is that categorical variables are independent; it means that the frequencies are not dependent on the variable. It is important to know that the Chi-squared test does not measure causality, it only measures the relationship. To reject the null hypothesis, you usually need a probability lower than 0.05, but in this case, the probability was way higher than 0.05, it was between 0.5 and 0.9.

4 0
3 years ago
I need help with this question. thanks.
Papessa [141]

Answer:

x<40

Step-by-step explanation:

x+10<50

x+10-10<50-10

x<40

8 0
1 year ago
Parker ran 800 meters, 6 kilometers,and 4,000 centimeters. How many meters did he run all together?
Vesna [10]
The correct answer is 6,840 meters. Hope this helps! ;)
6 0
3 years ago
Read 2 more answers
The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h. Solve for a
den301095 [7]

Answer:

a=\frac{2A}{h}-b

Step-by-step explanation:

we know that

The formula to calculate the area for a trapezoid is equal to

A=\frac{1}{2}(a+b)h

where

a and b are the parallel bases

h is the height of trapezoid

A is the area

<em>Solve for a</em>

That means ----> isolate the variable a

Multiply by 2 both sides to remove the fraction in the right side

2A=(a+b)h

Divide by h both sides

\frac{2A}{h}=a+b

Subtract b both sides

\frac{2A}{h}-b=a

Rewrite

a=\frac{2A}{h}-b

8 0
2 years ago
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