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Alborosie
3 years ago
5

Can anyone help me with these questions!!!

Mathematics
1 answer:
kotegsom [21]3 years ago
6 0

The Pythagorean Theorem is a^2 +b^2 = c^2, where a and b are the sides and c is the hypotenuse ( angled line)


5.

4^2 + 12^2 = c^2

16 + 144 = c^2

160 = c^2

c = √160

c = 4√10


6.

15^2 + b^2 = 27^2

225 + b^2 = 729

b^2 = 729 - 225

b^2 = 504

b = √504

b = 6√14


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Which of the following are examples of exponential decay? select all that apply.
Katarina [22]
B, C and D are exponential decay.

Half-lives are given by exponential function, and since they are decreasing, it is decay.
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5 0
3 years ago
A.) all real numbers <br> B.) y&gt;6<br> C.)y is greater than or equal to -6<br> D.)x= √6 or -√6
Gemiola [76]

Answer:

C.) y is greater than or equal to -6

Step-by-step explanation:

The range are all the set of y-values that are plotted on the vertical axis (y-axis).

The range starts from -6 and above. Which is y ≥ -6

Therefore, range of the function is said to be:

C.) y is greater than or equal to -6

7 0
2 years ago
On tuesday, donovan earned $11 for $2 of babysitting. on saturday, he babysat for the same family and earned $38.50. how many ho
Sedbober [7]
If its going by $11 for 2 hours then he babysat ?


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3 0
3 years ago
The table shows the numbers of home runs a baseball player0 hit during spring training and during the regular season for four ye
tino4ka555 [31]

Answer:

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Step-by-step explanation:

5 0
2 years ago
If a polynomial function f(x) has roots -9 and 7-i, what must be a factor of f(x)
Likurg_2 [28]

Hello from MrBillDoesMath!

Answer:

x + 9 and (x + ( i - 7)) are factors

Discussion:

If f(x) has roots -9 and 7-i then

f(x) = g(x)(x - (-9))  (x - (7-i))            ( g(x) is a polynomial of degree less than f(x))

That is, x + 9 and (x + ( i - 7)) are factors of f(x)

BTW: if the coefficients of f(x) are real (not stated in the Question) then the conjugate of 7-i, i.e. 7 + i, is  also be a root.

Thank you,

MrB

3 0
3 years ago
Read 2 more answers
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