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7nadin3 [17]
3 years ago
5

Solve for t (t+2)2=10

Mathematics
1 answer:
baherus [9]3 years ago
4 0

Answer:

t

Step-by-step explanation:

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Slav-nsk [51]

Answer:

A is correct. √11 and √14 are both between 3 and 4.

7 0
1 year ago
a snowmobile manufacturer claims that the newest model is 20% lighter than the black and white of a picture of metal weighs 645
FrozenT [24]

Answer:

so to find the weight of this years model we do this

645*0.8=516

so the answer is 516

Hope This Helps!!!

5 0
2 years ago
Jorge’s current hourly wage for working at Denti smiles is $12.00. Jorge Was told that at the beginning of the next month, his n
Gnom [1K]
It’s C $12.75. You have to find 6% and add that on to $12.00
7 0
3 years ago
Which is the equation of a parabola with a directrix at y = −3 and a focus at (5, 3)?
kramer

Answer:

y = 1/12 (x − 5)²

Step-by-step explanation:

We can solve this graphically without doing calculations.

The y component of the focus is y = 3.  Since this is above the directrix, we know this is an upward facing parabola, so it must have a positive coefficient.  That narrows the possible answers to A and C.

The x component of the focus is x = 5.  Since this is above the vertex, we know the x component of the vertex is also x = 5.

So the answer is A. y = 1/12 (x−5)².

But let's say this wasn't a multiple choice question and we needed to do calculations.  The equation of a parabola is:

y = 1/(4p) (x − h)² + k

where (h, k) is the vertex and p is the distance from the vertex to the focus.

The vertex is halfway between the focus and the directrix.  So p is half the difference of the y components:

p = (3 − (-3)) / 2

p = 3

k, the y component of the vertex, is the average:

k = (3 + (-3)) / 2

k = 0

And h, the x component of the vertex, is the same as the focus:

h = 5

So:

y = 1/(4×3) (x − 5)² + 0

y = 1/12 (x − 5)²

3 0
3 years ago
Your daughter found three pieces of ribbon in all different colors. Their lengths were 10 meters and 9 decimeters, 3 meters and
Pavel [41]

Answer:

The length of the ribbons in all were 25.3 meters.

Step-by-step explanation:

Given:

Lengths of the three pieces of ribbon were 10 meters and 9 decimeters, 3 meters and 10 decimeters, and finally 10 meters and 4 decimeters.

Now, to find the length of the ribbons in all.

So, by adding the length of all three pieces we get the length of all the ribbons:

10 meters\ 9 decimeters

+3 meters\ 10 decimeters

+10 meters\ 4 decimeters.

=23 meters\ \ 23\ decimeters.

Now, converting the decimeters into meters = 23 meters + 2.3 meters = 25.3 meters.

(1 decimeter = 0.10 meter)

(23 decimeter = 2.3 meter.)

Therefore, the length of the ribbons in all were 25.3 metres.

3 0
3 years ago
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