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Anna11 [10]
4 years ago
5

I need helppppp........

Mathematics
1 answer:
grin007 [14]4 years ago
7 0

Answer:

B

Step-by-step explanation:

To do this, you need to complete the square.

y=-2x^2-8x-13 \\\\y=-2(x^2+4x)-13 \\\\y=-2(x^2+4x+4)+8-13 \\\\y=-2(x+2)^2-5

Therefore, the correct answer is choice B. Hope this helps!

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This is due today please helpppp meeee I really need help
Inga [223]

Answer:

Carla's suitcase was a better purchase.

Step-by-step explanation:

The complete question is:

Carla and Daniel bought identical suitcases at different stores. Carla's suitcase originally cost $75 and was discounted 19% Daniel's suitcase original cost $85 and was on sale for 20% off the original price. Which suitcase was the cheaper?

Solution:

Cost Price of Carla's suitcase = $75

       Discount% for Carla = 19%

       The amount paid by Carla is,

       

       So, the amount paid by Carla was, $60.75.

Cost Price of Jeana's suitcase = $85

       Discount% for Jeana = 20%

       The amount paid by Jeana is,

       

       So, the amount paid by Jeana was, $68.

Carla's suitcase was a better purchase.

5 0
3 years ago
Henry examined the table that represents values satisfying the function f(x) shown below.
BabaBlast [244]

the answer is A. it is asking for the incorrect answer therefor all are correct except A.

5 0
3 years ago
4a²-4ab + b2, when a = 2 and b = 5
arsen [322]

Answer:

49

Step-by-step explanation:

4*16-4*2*5+5^2

49

3 0
3 years ago
Read 2 more answers
Use the Hinge Theorem to compare the measures of AD and BD.<br><br> I need help now!!! Please!!!!
gavmur [86]

Answer:

The length AD is greater than length BD.

Step-by-step explanation:

Hinge theorem states that if two triangles have two congruent sides then the triangle with the larger angle between those sides will have longer third side

In ΔACD and ΔBCD

AC = BC\\\angle ACD = 70 \angle BCD = 68

So side opposite to greater angle is greater side

Therefore, length AD is greater than length BD.

3 0
3 years ago
**Offering a good bit of my points, please don't randomly type something. I really need help. Can someone answer these 3 questio
inysia [295]

Step-by-step explanation:

y =39x + 125

y = 15x + 499

y = 25000 - 2300x

7 0
3 years ago
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