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saw5 [17]
3 years ago
14

PLEASE HELP PLEASE PLEASE PLEASE

Mathematics
1 answer:
sergejj [24]3 years ago
5 0
Just plug in the domain values in the equation to find y.

f(x)=-x+4

f(-3)=-(-3)+4=3+4=7
f(-2)=-(-2)+4=2+4=6
f(-1)=-(-1)+4=1+4=5
f(1)=-1+4=-1+4=3

So the range is Option B : {7, 6, 5, 3}
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A patient with end-stage kidney disease has nine family members who are potential kidney donors. How many possible orders are th
eduard

Answer: 504

Step-by-step explanation:

When we select r things from n things in a order , we use permutations.

Formula for permutation:  ^nP_r=\dfrac{n!}{(n-r)!}

Given : The number of family members who are potential kidney donors. = 9

Number of people needed to be selected for best match, a second-best match, and a third-best match ( in an order)=3

Then, the number of possible orders are = ^9P_3=\dfrac{9!}{(9-3)!}

=\dfrac{9\times8\times7\times6!}{6!}=504

Hence, the number of possible orders 504.

4 0
3 years ago
Please help ASAP!!!!!!
N76 [4]

Step-by-step explanation:

To calculate the volume of a pyramid with a rectangular base, find the length and width of the base, then multiple those numbers together to determine the area of the base. Next, multiply the area of the base by the height of the pyramid. Take that result and divide it by 3 to calculate the pyramid's volume!

4 0
3 years ago
Say that a and b are the lengths of the legs of a right triangle and c is the length of the hypotenuse. Find b if a = 21 and c =
maria [59]
When the triangle is a right triangle, you can use the Pythagorean theorem. The formula would be

c^2 = a^2 + b^2

If a = 21 and c=29, thus

b^2 = c^2 - a^2
b^2 = 29^2 - 21^2
b^2 = 400
b = square root (400)
b = 20 units. 

Thus, the answer is <span>D) B = 400</span>
5 0
3 years ago
Read 2 more answers
On a school trip, a class travels 52.6 kilometers by train and 4.136 kilometers by bus. How far did the class travel? pls help
levacccp [35]

Answer:

56.736kilometers

Step by step explanation:

52.6

+<u> </u><u>4.</u><u> </u><u>136</u><u> </u>

<u>56.736</u><u> </u>

=56.736 kilometers

7 0
3 years ago
Could someone help please.
Montano1993 [528]
I think the answer is

B. ) 4/5 of the balls in the bag are red.
7 0
3 years ago
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