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zaharov [31]
3 years ago
13

10x + 4 when x=-3 Go Formative

Mathematics
2 answers:
Vaselesa [24]3 years ago
6 0

Answer:

i think 1004Step-by-step explanation:

creativ13 [48]3 years ago
6 0
Substitute -3 for x to get 10 * -3 + 4 = -26
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How do you explain if something IS NOT a perfect square/ square number?
mariarad [96]

Answer:

A square number cannot be a perfect number. 0, 1, 5, 14, 30, 55, 91, 140, 204, 285, 385, 506, 650, 819, 1015, 1240, 1496, 1785, 2109, 2470, 2870, 3311, 3795, 4324, 4900, 5525, 6201... The sum of the first odd integers, beginning with one, is a perfect square: 1, 1 + 3, 1 + 3 + 5, 1 + 3 + 5 + 7, etc.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past
Minchanka [31]
<h2><u>Answer with explanation</u>:</h2>

Let \mu be the distance traveled by deluxe tire .

As per given , we have

Null hypothesis : H_0 : \mu \geq50000

Alternative hypothesis : H_a : \mu

Since H_a is left-tailed and population standard deviation is known, thus we should perform left-tailed z-test.

Test statistic : z=\dfrac{\overlien{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

where, n= sample size

\overline{x}= sample mean

\mu= Population mean

s=sample standard deviation

For n= 31,\ \sigma=8000,\ \overline{x}=46,800\ \&\ s=46,800, we have

z=\dfrac{46800-50000}{\dfrac{8000}{\sqrt{31}}}=-2.23

By using z-value table,

P-value for left tailed test : P(z≤-2.23)=1-P(z<2.23)   [∵P(Z≤-z)=1-P(Z≤z)]

=1-0.9871=0.0129

 Decision : Since p value (0.0129) < significance level  (0.05), so we reject the null hypothesis .

[We reject the null hypothesis when p-value is less than the significance level .]

Conclusion : We do not have enough evidence at 0.05 significance level to support the claim that t its deluxe tire averages at least 50,000 miles before it needs to be replaced.

4 0
3 years ago
A right triangle has legs E and f and hypotenuse H. The value of e= 10. The angle opposite leg f is 35°. Which expression can be
mariarad [96]

Answer:

sorry buddy i dont know the answer hope this helps

Step-by-step explanation:

Isn't this what u did to me when i needed help and took my points away.

6 0
3 years ago
M=-3,(-2,9)<br> what is this equation in point-slope form?<br> and please explain how
Alik [6]

Answer:

y-9= -3(x+2)

Step-by-step explanation:

y-y1= "M" (x-x1)

y1= 9

X1= -2

5 0
2 years ago
Read 2 more answers
Does 2, square root of 2, and square root of 2 make a right triangle
garik1379 [7]
Yes it does because in order to find out if a triangle is a right triangle, you can use the Pythagorean theorem.
sqrr 2 squared + sqrr 2 squared= 2 squared
simplify this:
2+2=4
because the equation is correct, this can make a right triangle
8 0
3 years ago
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