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Marina86 [1]
2 years ago
6

PLEASE HELP! AS SOON AS POSSIBLE I HAVE TO BE DONE IN 10 MINS !

Mathematics
1 answer:
jolli1 [7]2 years ago
6 0

Answer:

D

Step-by-step explanation:

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Find the length of a leg
Alona [7]
2 corners are both 45 degrees, meaning that they are both the same length.

For this we use the pythagorean theorem, but a bit modified:
a^2 + a^2 = c^2
2a^2 = 256

Solve for a:
a^2 = 128
a = 8 √2

One leg is equal to √128 or 8 √2.
4 0
3 years ago
Find all the points on the curve y = 4x^4 − 8x^2 + 16x + 7 such that the tangent line to the curve is parallel to the line 16x −
IrinaVladis [17]
Hello : 
the tangent has same slope of the line 16x -y +5 = 0  because parallel.
y = 16x + 5 
the slope is : 16
but : f'(x) = 16
f'(x) = 16x^3 - 16x +16
solve : 16x^3 - 16x +16 = 16
x^3 - x +1 =1
x^3 - x = 0
x(x² - 1 ) =0
x(x -1 )(x +1) =0
x=0 or x-1 =0 or x +1= 0
x=0 or x = 1 or x = -1
if : x = 0 : y = 4(0)^4 -8(0)^2+16(0) +7 =7
if : x =1 : y = 4(1)^4 -8(1)^2+16(1) +7 = 19
if : x = -1 : y = 4(-1)^4 -8(-1)^2+16(-1) +7 = -13
<span>the points : A(0,7)  , B(1 , 19) , c ( -1 , -13)</span>

4 0
3 years ago
What would this answer be if i solved for x?
Molodets [167]
Answer: x= -7

Explanation: These equations together should equal 180 because it is a line. Therefore
x + 67 + x + 127 = 180

Combine like terms
2x + 194 = 180

Then
2x = -14

x= -7
4 0
2 years ago
Which of the following is a trinomial with a constant term?
Furkat [3]

Answer: D. x+2y+10

Trinomial refers to the fact that the polynomial has 3 pieces (x, 2y, and 10)

Constant term means there is a term with no variable (a number with no letters attached to it: In this example, that number is 10)

6 0
2 years ago
How do I compare decimal numbers
Neporo4naja [7]
When comparing decimals, start in the tenths place. The decimal with the biggest value there is greater. If they are the same, move to the hundredths place and compare these values. If the values are still the same keep moving to the right until you find one that is greater or until you find that they are equal.
6 0
3 years ago
Read 2 more answers
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