4 years ago

Which statement is true about using scatter plots to make predictions?

Mathematics

1 answer:

lukranit [14]4 years ago

5 0

Answer:

Step-by-step explanation:

once you have that as an equation then you can creat your trend line using that and the sactterplot

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Which is the graph of 4x – 3y = 24?

hram777 [196]

The first one all the way to the left is the correct graph of 4x-3y=24.

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3 years ago

An arts academy requires there to be 6 teachers for every 150 students and 4 tutors for every 44 students

goldfiish [28.3K]

Answer:

Teachers: 25

Tutors: 11

Step-by-step explanation:

150/6= 25

44/4=11

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3 years ago

will give brainliest plz help asap this is my friends question and she needs It soon. Factorise these expressions

ruslelena [56]

Answer:

a. (x+19)(x+1)

b. (z-1)(z-1)

c. 3(2x-3)

Step-by-step explanation:

a. x^2+20x+19

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3 years ago

Read 2 more answers

A 1000 gallon tank, initially full of water, develops a leak at the bottom. Given that 300 gallons of water leak out in the firs

Over [174]

Answer:

option F

Step-by-step explanation:

given,

capacity of tank = 1000 gallon

volume of water leak = 300 gallon

time = 30 min

water is leaking at the rate

formula used

$A = B e^{-kt}$

At t = 0 A = 1000 gallons

$1000= B e^{-k\times 0}$

B = 1000

$A = 1000 e^{-kt}$

at t = 30 A = 700

$700= 1000 e^{-k\times 30}$

$e^{-k\times 30}=0.7$

taking ln both side

$-k\times 30=ln(0.7)$

$k=-\dfrac{ln(0.7)}{30}$

now,

$A = 1000 e^{\dfrac{ln(0.7)}{30}t}$

$A = 1000\times 0.7 e^{\dfrac{t}{30}}$

$A = 700 e^{\dfrac{t}{30}}$

hence, the correct answer is option F

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4 years ago

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i think it is 1.5 percent just divide

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3 years ago