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Ksju [112]
4 years ago
15

Will give brainliest

Mathematics
2 answers:
Nikitich [7]4 years ago
7 0

c)   (0,-2)

hope this helps bud

77julia77 [94]4 years ago
3 0
C. Which is (0,-2).
Plugging in C into the first equation:
y<(x^2) + 2 = (0^2) + 2 = 2 which is greater than -2
[2 > -2]

Then the second eqaution:
y>(x^2) - 6 = (0^2) - 6 = 0 - 6 = -6 which is less than -2
[-6 < -2]
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9)
Eddi Din [679]

Answer:

.5 pounds

Step-by-step explanation:

3 divided by 6  is .5

7 0
3 years ago
Researchers interested in lead exposure due to car exhaust sampled the blood of 52 police officers subjected to constant inhalat
ella [17]

Step-by-step explanation:

n = 52

x bar = 122.31

standard deviation sd = 38.75

1. the hypothesis:

null hypothesis

h0: μ ≤ 35

alternative hypothesis

h1: μ > 35

2.

we have been given the sd of the sample but not that of the population. so what we are supposed to use here is the t test and not the z test. the following conditions have to be met.

  • population has to be normal
  • sample size has to be more than 30. we have sample size = 52 in this question.

3.

= \frac{122.31-35}{38.75/\sqrt{52} }

= 87.31/5.37

= 16.26

using the T distribution function in excel, the p value was calculated and found to be approximately equal to 0.

TDIST(16.26, 51, 1)

since p value is very small we reject the null and accept the alternate hypothesis.

4. from the result above the answer to this question is yes

8 0
3 years ago
How to factor that polynomial
professor190 [17]
<h3><u>(1 + 5y)(1 - 5y) is the fully factored form of this polynomial.</u></h3>

This polynomial can be factored using difference of squares.

This polynomial is in the form of a^2 - b^2 = (a + b)(a - b)

Because 1 * 1 = 1, we can use this formula to simplify this polynomial.

1 - 25y^2 = (1 + 5y)(1 - 5y)

We can use FOIL to verify this.

(1 + 5y)(1 - 5y)

1 - 5y + 5y - 25y^2

1 - 25y^2

6 0
3 years ago
Find the magnitude of the sum of v and u if v = &lt;-2,4&gt; and u = &lt;-3,-5&gt;. Round to the nearest hundredth of a degree.
exis [7]
Answer c I haven’t done this in awhile but I’m sure it’s c
5 0
4 years ago
What is the best buy for the following advertise sale on pop A(eight cans for $4.88 B(10 cans for $5.80 or C(3 cans for d cans f
bezimeni [28]
I’d say B.

Cause you can get 10 cans of pop for only 92 cents more.
If this helped mark me brainliest please!!
4 0
3 years ago
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