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Feliz [49]
3 years ago
7

Determine the 30th term of the sequence -10 -15 -20

Mathematics
2 answers:
shtirl [24]3 years ago
7 0
The 30th term is -155
creativ13 [48]3 years ago
3 0
190. Count it out on your fingers, starting with -10,-15, and -20. Then count out both hands. 
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A box contains 500 apples. 32% are rotten. How many rotten apples are there?
ziro4ka [17]
Lets find 32% of 500.

32/100 = .32

.32 * 500 = 160

Answer: 160 apples are rotten. 
6 0
3 years ago
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A parabola can be drawn given a focus of (6,0) and a directrix of y = -6. Write the
VLD [36.1K]

Answer:

Equation of the parabola: 12y+36=(x-6)^2 or y=\frac{x^2}{12} -x

Vertex form: y=\frac{1}{12} (x-6)^2-3

Intercept form: y=\frac{x}{12} (x-12)

Step-by-step explanation: hope this helps please give brainlieat!

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3 years ago
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A realtor collects the data set given in DS 12.2.4 concerning the sizes of a random selection of newly constructed houses in a c
Yuliya22 [10]

The table is missing in the question. The table is attached below.

Solution :

Let X = appraised value

    Y = area (square feet)

The regression line is given by :

$\hat y = b_0+b_1X$

$b_1=\frac{n\sum XY-\sum X \sum Y}{n \sum X^2-(\sum X)^2}$

   $=\frac{15(5964990)-(2157)(33370)}{15(404799)-(2157)^2}$

  $=12.3267$

$b_0=\frac{\sum Y}{n}-b_1\frac{\sum X}{n}$

   $=\frac{33370}{15}-\left(12.3267 \times \frac{2157}{15}\right)$

  $b_0=452.0841$

The regression line is :

$\hat Y = 452.0841+12.3267 X$

To estimate the error variance, we have:

Error variance, $\sigma =\sqrt{\frac{\sum (Y-\hat Y)^2}n-2{}}$

                           $=\sqrt{\frac{587682.3}{15-2}}$

                            $=212.6178$

8 0
3 years ago
Help please guys I need help with this question I'm stuck
Dimas [21]
Here you go !!!
Hope this helps

3 0
2 years ago
Combine. Express your answer in terms of the smaller unit.<br> 3 L - 700 ml = ___ml
TEA [102]
The answer is 2300 ml.
7 0
3 years ago
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