3 years ago

=

Mathematics

1 answer:

FinnZ [79.3K]3 years ago

5 0

Answer:

15400

Step-by-step explanation:

since we know that 200 is in one day.

All we have to do is multiply 200 by 77.

Which is 15400.

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Find the equation of a parabola with a vertical axis and its vertex at the origin and passing through the point (-2, 3).

jonny [76]

Answer:

$y=\frac{3}{4}x^2$

Step-by-step explanation:

Hi there!

Because we're given the vertex of the parabola, we can determine its equation in vertex form:

$y=a(x-h)^2+k$ where the vertex is $(h,k)$

Plug in the vertex (0,0)

$y=a(x-0)^2+0\\y=a(x)^2\\y=a(x-0)^2+0\\y=ax^2$

Now, we must solve for a. Plug in the given point (-2,3) and solve for a:

$3=a(-2)^2\\3=4a\\\frac{3}{4} =a$

Therefore, the value of a is $\frac{3}{4}$ . Plug this back into $y=ax^2$ :

$y=\frac{3}{4}x^2$

I hope this helps!

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3 years ago

A measurement of the circumference of a disk has an uncertainty of 1 . 5 mm. How many measurements must be made so that the diam

Naya [18.7K]

Answer:

How many measurements must be made = 9

Step-by-step explanation:

The steps are as shown in the attachment.

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3 years ago

Select all ratios equivalent to 3:5. <br><br> A) 24:40<br> B) 33:55<br> C) 4:6

Ksju [112]

Answer:

A and B

Step-by-step explanation:

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3 years ago

Read 2 more answers

Will the methods results sho the same value ?

inn [45]

L don’t know to you need to (X)

7 0

3 years ago

Pleeeasse help me!!! my time is running out

erica [24]

P(AA)=1/9
P(BB)=1/9
P(AA) or P(BB)=1/9+1/9=2/9=0.22

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3 years ago