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Damm [24]
4 years ago
12

Evaluate ƒ(x ) = x 2 + 1 for ƒ(-1). A. 0 B. undefined C. 2

Mathematics
1 answer:
victus00 [196]4 years ago
4 0

Answer:

2

Step-by-step explanation:

f(-1)=(-1)²+1=1+1=2

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-<br>(23)<br>x +. 8<br>1 - 2x = 8 + x<br>5<br>3<br>-<br>5x - 1<br>24​
Gnesinka [82]

Answer:

vWhat is the area, in square units, of the parallelogram shown below? (5 points)

A parallelogram ABCD is shown with height 8 units and base 6 units.

Group of answer choices

24 square units

48 square units

52 square units

64 square units

Step-by-step explanation:

4 0
3 years ago
What is the measure of ∠P, to the nearest degree?
Paraphin [41]
You can solve for C using the law of cosines.

P, Q, and R are the angles of the triangle and p, q, and r are the lengths of the sides of the triangle opposite of the angles. That means p = 10ft, q = 12ft, and r=5ft. The law of cosines states that:
p^2 = q^2+r^2-2qr(cosP) \\&#10;q^2 = p^2+r^2-2pr(cosQ) \\&#10;r^2 = p^2+q^2-2pq(cosR)

Since we're looking for the measure of angle P, we would use the first equation, p^2 = q^2+r^2-2qr(cosP). Plug the values we have for the sides of the triangle into the equation and solve for P:
p^2 = q^2+r^2-2qr(cosP)\\&#10;10^{2} = 12^{2} + 5^{2} - 2(12)(5)(cosP)\\&#10;100 = 144 + 25 - 120cosP\\&#10;120cosP = 69\\&#10;cosP = 0.575\\&#10;P = cos^{-1}(0.575)\\&#10;P \approx 55\°

The measure of angle P is about 55<span>°.</span>
6 0
3 years ago
Your math test scores are 100, 100, 90, 93, and 52. what is the mean of your scores?
mixer [17]
435.
Add em all up and you’ll get 435.
7 0
3 years ago
Suppose a triangle has two sides of length 33 amd 37, and that the angle between these two sides is 120°. What is the length of
jeka57 [31]

Answer:

c = 60.65 cm

Step-by-step explanation:

Given that,

The two sides of a triangle are 33 cm and 37 cm.

The angle between these two sides is 120°.

We need to find the length of the third side of the triangle. Let c is the third side. Using cosine rule,

c^2=a^2+b^2-2ab\cos C

a = 33 cm, b = 37 cm and C is 120°

So,

c^2=(33)^2+(37)^2-2\times 33\times 37\cos (120)\\\\c=60.65\ cm

So, the length of the third side of the triangle is 60.65 cm.

7 0
3 years ago
How is 60 divided by 9 = 6.66666667?
saveliy_v [14]
60/9=6 remainder 4
Some division problems that require decimals
can be repeated 
To simplify 6.6666667 also means 6.666666666...and so on
To simplify 6.6666...
u put a bar over the 6 in the tens place.


7 0
4 years ago
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