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Sedbober [7]
3 years ago
5

Did I get this right?

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0
The answer your looking for is A
NikAS [45]3 years ago
5 0

Answer:

A

Step-by-step explanation:

20, the y-intercept, 35, the rate of change

195, she doesn't want to spend more than that

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Please help me out with this equation!<br> i will mark as brainliest
Natali [406]

Answer:  Choice D

y = -(x - 2)^2 + 7

===========================================================

Explanation:

The highest point is (2, 7) so this is the vertex.

In general, the vertex is (h, k). We can say that h = 2 and k = 7.

The vertex form

y = a(x-h)^2 + k

updates to

y = a(x-2)^2 + 7

----------------

Note that the graph goes through (0,3) which is the y intercept. Plug those x,y coordinates into the equation above to solve for 'a'

y = a(x-2)^2 + 7

3 = a(0-2)^2 + 7

3 = a(-2)^2 + 7

3 = a(4) + 7

3 = 4a + 7

4a+7 = 3

4a = 3-7

4a = -4

a = -4/4

a = -1

----------------

Therefore, we have

y = a(x-2)^2 + 7

update to

y = -1(x-2)^2 + 7

which is the same as

y = -(x - 2)^2 + 7

and that's why the answer is choice D

4 0
3 years ago
Read 2 more answers
¿Cuál es el mínimo común múltiplo de 36, 48 y 72?
Nadusha1986 [10]

Answer:

144

Step-by-step explanation:

Multiples of 36:

36, 72, 108, 144, 180, 216

Multiples of 48:

48, 96, 144, 192, 240

Multiples of 72:

72, 144, 216, 288

Therefore,

LCM(36, 48, 72) = 144

Hope this helps!

3 0
3 years ago
How long is the arc formed by a 300 degree central angle in a circle with a radius of 7 cm.?
Artyom0805 [142]
<h3>Answer: </h3>

approximately 36.633 cm if you use pi = 3.14

approximately 36.6519 cm if you use the calculator's stored value of pi

Work Shown:

L = arc length, r = radius, x = central angle in degrees

L = (x/360)*2*pi*r

L = (300/360)*2*pi*7

L = (35/3)pi .... exact arc length in terms of pi

L = (35/3)*3.14

L = 36.633 .... approximate arc length

Keep in mind that I used pi = 3.14 which isn't that great an approximation for pi. If you want to use more digits of pi, then use your calculator's built in version of it to get (35/3)*pi = 36.6519; of course it will depend on which option your teacher prefers.

3 0
4 years ago
Degrees kelvin K equals 273 plus degrees celsius C
luda_lava [24]
Try going with this method for that question ⬇⬇⬇⬇

k = 273 + C

5 0
3 years ago
If a dozen widgets cost 30.00 how much will 80 cost
viktelen [127]
The answer would be $2,400
7 0
3 years ago
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