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larisa86 [58]
3 years ago
13

What is a gradient of a line

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
4 0
(slope) The higher the gradient<span> of a graph at a point, the steeper the </span>line<span> is at that point.</span>
murzikaleks [220]3 years ago
4 0
Another word for gradient is slope.
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A simple random sample of 60 adults is obtained from a normally distributed​ population, and each​ person's red blood cell count
Goshia [24]

Answer:

Step-by-step explanation:

sample size = n = 60

Sample mean = x bar = 5.25

Sample sd = s = 0.55

Std error of sample = s/sqrt n = 0.071

H_0: x bar = 5.4\\H_a: x bar

(One tailed test)

Mean difference = 5.25-5.4 = -0.15

Test statistic t = Mean diff/Se = -2.11

df=59

(since population std dev is not known t test is used)

p value =0.01955

Since p <alpha =0.05 we reject null hypothesis.

The results suggest about the sample​ group that the sample is from a population with a mean less than 5.4

7 0
3 years ago
Thanks to who ever helped me with this question!​
ollegr [7]

Answer:

-9

Step-by-step explanation:

Since the opposite angles of both sides are congruent we know that the sides must be congruent also. Therefore, to solve for x we can set them equal to each other.

So the equation will be x+19=10, to solve we must isolate the variable.

First, subtract 19 from both sides

x+19-19=10-19

Then, simplify

x=-9

3 0
3 years ago
Read 2 more answers
3x+2=7x+6 what is x​
dolphi86 [110]

Answer:

x=-1

Step-by-step explanation:

8 0
3 years ago
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Which of the following number sentences is true?<br> A -9=9<br> B-9=-(9)<br> C 9=(-9)<br> D 9=-(-9)
kondaur [170]

Answer:

A and D are the true number sentences

3 0
2 years ago
-4.25 ⋅ (3/10 + 1/5)
elixir [45]

Answer: -0.85

Step-by-step explanation:

3/10 + 1/5 = 1/2

1/2 x -4.25 = -0.85

3 0
1 year ago
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