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4 years ago

11

Find the vertex f(x)=(x-7)²+3

1 answer:

KATRIN_1 [288]4 years ago

6 0

The vertex is 7 and 3
You write it like this (7,3)

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Ella surveyed the students at her school to find out if they like math and/or science. The table below shows the results of the

Viktor [21]

likes math hates math total
like science 41 22 63
hates science 7 31 38
total 48 53 110

if a student likes science..there are 63 who like science....what is the probability that the student does not like math...of those that like science, 22 do not like math.
so the probability is : 22/63 = 0.0349 = 34.9% <=

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3 years ago

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A newly constructed fish pond contains 3000 liters of water. Unfortunately the pond has been contaminated with 5 kg of a toxic c

Paraphin [41]

Answer:

$\frac{dm}{dt}=-\frac{m}{30}$

Step-by-step explanation:

We are given that

Volume of water in fish pond,V=3000 L

Mass of toxic chemical=5 kg

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Removes chemical=50%

We have to find the differential equation for the time.

Let mass of toxic at any time t= m kg

Rate=Rate in-Rate out

$\frac{dm}{dt}=200\times 0-\frac{m}{3000}\times 200\times \frac{50}{100}$

$\frac{dm}{dt}=0-\frac{m}{30}$

$\frac{dm}{dt}=-\frac{m}{30}$

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3 years ago

Find the total length of six sections when each section is 72.5mm in length

Neko [114]

72.5*6 which is 435mm

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3 years ago

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A store is having a sale where school supplies are 30% off their original price. A backpack is on sale for 11.20 dollars. What i

Annette [7]

Answer:

Step-by-step explanation:

11.20(1.30)

=14.56

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3 years ago

Olivia is on a road trip with her family. During a three- hour stretch,they traveled 183 miles.How fast were they driving in mil

77julia77 [94]

183/3 = 61

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4 years ago