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Rainbow [258]
3 years ago
6

Please help me on this question

Mathematics
2 answers:
jonny [76]3 years ago
8 0
Function a has a intercept of (0,2) this goes with the table. The parabola has a y intercept of (0,-3) this goes with the parabola. Whenever finding the y intercept look at where the graph hits the y axis. Hope this helps!
viva [34]3 years ago
3 0

I am stuck on same thing as u

Step-by-step explanation:

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Quadratic equations and functions. <br> n^2+2n-15=0
sveta [45]

Answer:

n = -5, 3.

Step-by-step explanation:

n^2 + 2n - 15 = 0

Let's check if we can factor this quadratic:

We need 2 numbers whose product is -15 and whose sum is +2.

There are 2 such numbers and they are +5 and -3, so the factors are:

(n + 5)(n - 3) = 0.

n + 5 = 0 or n - 3 = 0

therefore the zeroes are -5 and 3.

8 0
3 years ago
Read 2 more answers
Jessie is shopping for clothing gifts for her friends. On the first trip to the store, she purchased 4 t-shirts and 7 scarves an
marshall27 [118]

Answer:

Not confident in this answer but $9.30  ¯\_(ツ)_/¯

Step-by-step explanation:

5 0
3 years ago
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The thickness of a part is to have an upper specification of 0.925 and a lower specification of 0.870 mm. the average of the pro
SVETLANKA909090 [29]
To solve this problem, we make use of the z statistic. The formula for the z score is:z score = (x – u) / swhere x is the sample value = 0.90, u is the sample mean = 0.917, and s is the standard deviation = 0.005
Therefore:z score = (0.90 – 0.917) / 0.005z score = -3.4
From the standard probability tables, the p-value for a right tailed test of z = -3.4 is:P = 0.9997
Therefore there is a 99.97% chance that it will be above 0.90 mm
7 0
3 years ago
How do I solve 8 - 4x + 5y when x = -2 and y = 6
Oliga [24]
8 - 4(-2) + 5(6)
8 + 8 + 30
=46
3 0
2 years ago
You estimate that a baby pig weighs 21 lbs but it weighs 28 lbs what is the percent of error
lbvjy [14]
Your estimate of the baby pig's weight is 2 pounds. However the actual weight of it is only 16 pounds.
Let's solve for the percentage error of this.
=> 20 - 16 = 4 pounds
=> 4 / 16 = 0.25
=> 0.25 * 100% = 25%
Thus, you added 25% of the baby pig's weight
3 0
3 years ago
Read 2 more answers
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