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timurjin [86]
3 years ago
14

Which should equal 105° to prove that f I g? abcd

Mathematics
1 answer:
nlexa [21]3 years ago
3 0

Answer:

Step-by-step explanation:

sorry bout the poor drawing but it should be legible

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What is the mean of 90, 55, 75, 60, 80, and 90?
ElenaW [278]
90+55+75+60+80+90=450
450/6=75
8 0
3 years ago
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Please solve correctly<br> full explanation please<br> will give brainlist
rosijanka [135]

Answer:

They subtracted the values incorrectly

Step-by-step explanation:

The formula for finding the distance between two points is this:
\sqrt{} (x_{2} -x_{1})^{2}   + (y_{2} -y_{1} )^{2}

The person subtracted the variables incorrectly and subtracted x1 from x2 and y1 from y2 instead of the other way around.

To correctly solve it, do this:\sqrt{((-7-(-1))^2+(-6-2)^2} = \sqrt{(-6)^{2} + (-8)^{2}  } = \sqrt{36+64} = \sqrt{100} = 10

Hope this helped!

7 0
2 years ago
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Express x^2-8+5 in the form (x-a)^2-b where a and b are integers
Tanzania [10]

Answer:

(x-4)^2-9 where a=4 and b=9

Step-by-step explanation:

x^2-8x+5

x^2-8x+16-16+5

(x-4)^2-9, a=4 and b=9

6 0
2 years ago
Eric created a rectangular patio using 1-Foot square paving stones,which are sold in batches by the dozen.The patio measures 7 f
Paladinen [302]
His patio needs 56 stones because 8 multiplied by 7 equals 56. So if the paving stones are sold in batches of 12 (a dozen is equal to 12) then we need to find how many times 12 goes into 56. 12 cannot go into 56 evenly, but 12x5=60 which will be more than enough stones for Eric's patio. So Eric will need 5 batches of paving stones for his patio.
7 0
3 years ago
What is the vertex of the parabola whose equation is y = (x + 1) ^2+ 3
lora16 [44]

Answer:

The vertex is (-1, 3)

Step-by-step explanation:

The form this is in is called vertex form. We can express the equation using its base form.

y = a(x - h)^2 + k

Now we can identify the vertex as (h, k). By looking at the equation, we can see h is equal to -1 and k is equal to 3.

6 0
3 years ago
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