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2 years ago

Weekand homework and i need help

Mathematics

2 answers:

Lelechka [254]2 years ago

8 0

Answer:

C. 54

Step-by-step explanation:

36/60=.6

90*.6=54

RUDIKE [14]2 years ago

6 0

Answer:

1 got C.

60/36=1.66666667

60/(5/3)=36

90/(5/3)=54

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Answer:

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3 years ago

Rewrite the expression with a perfect square: x^2 - 14x + 11

nikitadnepr [17]

Factoring x2-14x+11

The first term is, x2 its coefficient is 1 .

The middle term is, -14x its coefficient is -14 .

The last term, "the constant", is +11

Step-1 : Multiply the coefficient of the first term by the constant 1 • 11 = 11

Step-2 : Find two factors of 11 whose sum equals the coefficient of the middle term, which is -14 .

-11 + -1 = -12 -1 + -11 = -12 1 + 11 = 12 11 + 1 = 12

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2 years ago

In shipment of 850 widgets, 32 are found to be detective. At this rate, how many detective widgets could be expected in 22,000 w

cluponka [151]

Answer:

The number of detective widgets out of 22,000 widgets is 828 widgets

Step-by-step explanation:

Given as :

The total number of widgets = 850

The number of detective widgets out of 850 = 32

Now,

∵ Out of 850 widgets , the number of detective widgets = 32

SO,Out of 1 widgets , the number of detective widgets = $\frac{32}{850}$

∴ Out of 22,000 widgets , the number of detective widgets = $\frac{32}{850}$ × 22,000

Or, Out of 22,000 widgets , the number of detective widgets = 828.23

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4 0

3 years ago

Factoring when a=1 x^2+4x-45

avanturin [10]

a=x^2+4x-45

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3 years ago

A population of penguins is given by Pt=P0⋅3t5 where t is the time in years, t≥0. How long does it take for the population to tr

PolarNik [594]

Answer:

5 years

Step-by-step explanation:

If the population of penguins is given by the function:

$P(t)=P_0\cdot 3^{t/5}$

Initial Size = $P_0$

Triple its Initial Size, P(t)= $3P_0$

Therefore:

$3P_0=P_0\cdot 3^{t/5}\\$Divide both sides by P_0\\3=3^{t/5}\\$Since they have the same base\\1=t/5\\Cross multiply\\t=5$

It therefore takes 5 years for the penguin population to triple in size.

5 0

2 years ago