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AnnyKZ [126]
3 years ago
14

Which of the following statements are equivalent to the statement "price increased by 1/2 "?

Mathematics
2 answers:
saul85 [17]3 years ago
5 0
It's E) only
if you Multiply the price by 1.5, you get the price times one and a half, which is just whats asked; the added 50%
Rom4ik [11]3 years ago
4 0
The correct answers are:
B)
E)
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PLS HELP! ANSWER ONLY IF YOU KNOW!
Norma-Jean [14]

Answer: The answer is -1 to 2 with open points

This is for both functions check picture below

Step-by-step explanation:

5 0
3 years ago
Solve by completing the square <br><br> 6x-x^2-7
Slav-nsk [51]

Answer:

6x-1/x^5

Step-by-step explanation:

8 0
3 years ago
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for v= 4i - 5j, find unit vector u in the direction of v, and write your answer as a linear combination of the standard unit vec
umka21 [38]

Answer:

a. u=\frac{4\sqrt{41}i }{41}-\frac{5\sqrt{41}j}{41}

Step-by-step explanation:

The given vector is v= 4i - 5j

The magnitude of this vector is;

|v|=\sqrt{(-4)^2+(-5)^2}

|v|=\sqrt{16+25}

|v|=\sqrt{41}

The unit vector u in the direction of v is;

u=\frac{v}{|v|}

u=\frac{4i - 5j}{\sqrt{41}}

u=\frac{4i }{\sqrt{41}}-\frac{5j}{\sqrt{41}}

We rationalize to get

u=\frac{4\sqrt{41}i }{41}-\frac{5\sqrt{41}j}{41}

4 0
3 years ago
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7. If the longer leg of a right triangle is twice as long as the shorter leg, what is the ratio of
kicyunya [14]

Answer: The ratio is 2.39, which means that the larger acute angle is 2.39 times the smaller acute angle.

Step-by-step explanation:

I suppose that the "legs" of a triangle rectangle are the cathati.

if L is the length of the shorter leg, 2*L is the length of the longest leg.

Now you can remember the relation:

Tan(a) = (opposite cathetus)/(adjacent cathetus)

Then there is one acute angle calculated as:

Tan(θ)  =  (shorter leg)/(longer leg)

Tan(φ) = (longer leg)/(shorter leg)

And we want to find the ratio between the measure of the larger acute angle and the smaller acute angle.

Then we need to find θ and φ.

Tan(θ) = L/(2*L)

Tan(θ) = 1/2

θ = Atan(1/2) = 26.57°

Tan(φ) = (2*L)/L

Tan(φ) = 2

φ = Atan(2) = 63.43°

Then the ratio between the larger acute angle and the smaller acute angle is:

R = (63.43°)/(26.57°) = 2.39

This means that the larger acute angle is 2.39 times the smaller acute angle.

5 0
3 years ago
Can y’all help me on question 11?!
Shtirlitz [24]

Answer:

a

Step-by-step explanation:

if there are zero two's, then it is zero

6 0
3 years ago
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