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Reptile [31]
3 years ago
15

Joelle is working on a school report

Mathematics
1 answer:
-Dominant- [34]3 years ago
5 0

Answer:

ok

Step-by-step explanation:

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The possible values of a, the base of an isosceles triangle, and b, one of the legs of the triangle, are as follows: 26≤a≤28 and
olga_2 [115]

First, you should try to find the sum of the two legs. Because the triangle is isosceles so the legs (b) are equal, than the sum of the two legs:

41*2 ≤ 2b ≤ 43*2 simplified is: 82 ≤ 2b ≤ 86

But we aren't done, for the perimeter also includes the base of the triangle, which is a. Since we already know the sum of the legs, we simply have to add the base (a) to the legs.

Sum of Legs:         82 ≤ 2b ≤ 86

Base:                      26 ≤ a ≤ 28

Perimeter (a+2b):   82+26 ≤ P ≤ 86+28     Which simplified:   108 ≤ P ≤ 114

8 0
3 years ago
Can somone please help me
Georgia [21]

Answer:

D

Is correct cus a straight line is 180

4 0
3 years ago
Please help will give 50points
Lady bird [3.3K]

Answer:

its 10...

Step-by-step explanation:

3 0
3 years ago
"1. A z-score of zero always means
Sergeeva-Olga [200]

Answer:

d.

Step-by-step explanation:

Here is an answer I found on the internet (kudos to investopedia.com)

If a Z-score is 0, it indicates that the data point's score is identical to the mean score.

In other words, it's saying that a z-score of zero has a standard deviation of zero.

7 0
3 years ago
Simplify the expression x^2+x-2/8x^2+4x/3x^2+10x+8
irina [24]

Answer:

Step-by-step explanation:

x² + x  - 2 = x² - x +2x -2 = x(x - 1) + 2*(x-1)  = (x-1)(x+2)

8x² + 4x = 4x ( 2x + 1)

3x² + 10x + 8 = 3x² + 6x + 4x + 4*2  =3x  * (x + 2) + 4 * ( x + 2) = (x + 2)(3x + 4)

6 0
3 years ago
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