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AVprozaik [17]
3 years ago
10

Evaluate the function f(x) = x2 +1 for f(2). 1 5 7

Mathematics
1 answer:
zaharov [31]3 years ago
8 0

Answer:

b) 5

Step-by-step explanation:

f(x) = x² + 1

f(2) = (2)² + 1

= 4 + 1

= 5

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45/99 in a decimal form
NARA [144]
The answer is 0.4545454545
4 0
4 years ago
A rectangular prism has a length of 3 1/2 inches, a width of 5 inches, and a height of 1 1/2 inches.
Pavlova-9 [17]
L = 1 in
w = 5 in
h = 3 in
d = 5.9160797830996 in
S = 46 in2
V = 15 in<span>3
 i don't know which one your looking for so i solved for all the measure hope i hepled
</span>
6 0
3 years ago
Math Plz Help. <br><br>Please graph with two points! <br>explain how you found your answer
Softa [21]
X intercept: y = 0
y= -3/4x -4
0 = -3/4 x - 4
4= -3/4 x
4 • -4/3 = x
-5.3 = x
y intercept: x = 0
y = -3/4 x -4
y = -3/4 (0) -4
y = -4
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3 0
4 years ago
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean mu equals 280 days a
a_sh-v [17]
First, find the z-score:

z = (value - mean) / sdev
  = (275 - 280) / 15
  = - 0.33

In order to use a standard normal table, we need a positive z-score:
P(z < -0.33) = 1 - P(z < 0.33)

Looking at the table, we find P(z < 0.33) = 0.6293

Therefore:
P(z < -0.33) = 1 - 0.6293 = 0.3707

Hence, you have a probability of about 37% <span>that a randomly selected pregnancy lasts less than 275 days.</span>
4 0
3 years ago
In a pen of goats and chickens, there are 40 heads. and 130 feet How many goats and chickens are there?​
timama [110]

Answer:

25 goat and 15 chicken

Step-by-step explanation:

Say the number of goats is G, then the number of chickens is 40 - G as there are 40 heads and each chicken and each goat has one head.

The number of feet is 130

So 2(40 - G) + 4G = 130

So 80 - 2G + 4G = 130

2G = 50

G = 25

25 goats and 15 chickens

8 0
3 years ago
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