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e-lub [12.9K]
3 years ago
13

Which equation has a vertex of (-3,4)?​

Mathematics
1 answer:
In-s [12.5K]3 years ago
5 0

Answer:

f(x)=-1/2x^2+3x-1/2

Step-by-step explanation:

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Tricia got a 6% raise on her weekly salary. The raise was $30 per week. What was her original weekly salary in dollars per week?
serious [3.7K]

Answer:   Original salary = $500  

Step-by-step explanation:  Tricia got a 6% raise on her weekly salary. The

raise was $30 per week.  

Let x be the original salary  

x times the raise percentage = raise amount  

6%= 6/100=0.06, raise amount = 30    

Now we solve for x  

Divide by 0.06 on both sides    

Original salary = $500

6 0
3 years ago
Evaluate 3x2 - 1 when x = 2.
Shalnov [3]

Answer:C or 11

Step-by-step explanation:

3x²-1

First you insert x... which is 2

3(2)²-1

then you square the 2. (multiply it by itself)

3(4)-1

Then you multiply 3 by 4 to get 12

12-1

And then you subtract for your answer

11

4 0
3 years ago
Draw a box and whiskers plot of the numbers 7,4,7,5,5,3,7,6,7
wariber [46]

Answer

3,4,5,5,6,7,7,7,7

Step-by-step explanation:

5 0
3 years ago
Solve for x. Round to the nearest tenth if necessary.
timofeeve [1]

Answer: 41.1

Step-by-step explanation:

To find the value of x, we need to use SOH-CAH-TOA. SOH-CAH-TOA is since, cosine, and tangent. The O, A, H stands for opposite, adjacent, and hypotenuse respectively.

Looking at the figure, we see 47°. The labelled angles are adjacent and the hypotenuse. Therefore, we use CAH or cosine.

cos(47)=\frac{28}{x}             [multiply both sides by x]

xcos(47)=28           [divide both sides by cos(47)]

x=\frac{28}{cos(47)}

When we plug that into a calculator, we get x=41.1.

5 0
3 years ago
Read 2 more answers
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*.. <br> IM GIVING 50 POINTS !! DONT SKIP :((.
8090 [49]

Answer:

poroportional because he will earn 3.50 the same number for every shoot and positve

Step-by-step explanation:

3 0
4 years ago
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