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EastWind [94]
3 years ago
8

Which is one reason why this expression is equal to 0 -3.08+3.08/3.08•4.66

Mathematics
2 answers:
Tju [1.3M]3 years ago
7 0

Answer:

The expression is zero as numerator is zero.

Step-by-step explanation:

Given : Expression \frac{-3.08+3.08}{3.08\times 4.66}.

To find : Which is one reason why this expression is equal to 0 ?

Solution :

In the expression  \frac{-3.08+3.08}{3.08\times 4.66}

The numerator value is -3.08+3.08

Using property of addition and subtraction,

If we add negative term and positive term with same value always became zero.

So, -3.08+3.08=0

As numerator is zero dividing by denominator always became zero.

\frac{-3.08+3.08}{3.08\times 4.66}=\frac{0}{3.08\times 4.66}=0

Therefore, the expression became zero.

Eduardwww [97]3 years ago
4 0

Step-by-step explanation:

it is equal to zero because n/m where n is the numerator and m is the denominator.

any number where the numerator is zero, the answer will be zero. Zero divided by any number is zero.

For -3.08+3.08=0, and since it is part of the numerator it becomes 0/3.08•4.66 which equals to 0

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dolphi86 [110]
D) 36

So q is equal to -12 and P divided by Q will be equal to -3
but since you know Q you replace it with -12 and now it's gonna be P divided by -12 equal to -3
move -12 to the other side by multiplying -12 to both sides so you cancel out the -12 under P and you get to isolate P
-3 times -12 will be +36 because the two negative signs cancel out
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2 years ago
What two trigonometric function can be divided to get cotangent?
mojhsa [17]

Answer:

the cotangent is = cos / sen or 1/ tan

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3 years ago
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(Please help, due by midnight PST in 2hours) Find x and y.
bezimeni [28]
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3 years ago
Jeff bicycles 126 miles at the rate of r mph. The same trip would have taken 2 hours longer if he had decreased his speed by 4 m
weqwewe [10]

Given Information:

Distance = 160 miles

Required Information:

Rate = r = ?

Answer:

Rate = r = 20 mph

Step-by-step explanation:

Recall that the rate is given by

Rate = distance/time

r = \frac{d}{t} \\\\t = \frac{d}{r} \\\\t = \frac{160}{r} \\\\

It is given that the same trip would have taken 2 hours longer if he had decreased his speed by 4 mph.

Mathematically,

\frac{160}{(r-4)} = \frac{160}{r} + 2 \\\\

Simplify the equation

\frac{160}{(r-4)} - \frac{160}{r} = 2 \\\\\frac{160r - 160(r-4)}{r(r-4)} = 2 \\\\\frac{160r - 160r+640)}{r(r-4)} = 2 \\\\160r - 160r+640 = r(r-4) (2) \\\\640 = r(r-4) (2) \\\\640 = (r^2 - 4r) (2) \\\\640 = 2r^2 - 8r \\\\2r^2 - 8r-640 =0 \\\\2(r^2 - 4r-320) =0 \\\\r^2 - 4r-320 =0 \\\\

Now we are left with a quadratic equation.

We may solve the quadratic equation using the factorization method  

r^2 - 4r-320 =0 \\\\r^2-20r+16r-320=0 \\\\r(r-20)+16(r-20)=0 \\\\(r-20) (r+16)=0 \\\\

So,

(r-20) = 0 \\\\r = 20 \\\\

OR

(r+16)=0 \\\\r = -16 \\\\

Since rate cannot be negative, discard the negative value of r

Therefore, the rate is

r = 20 \: mph

3 0
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aleeka is now 12 years old and ravina is 24 years old.How many years ago was ravina three times as old as aleeka
olga55 [171]
A=0 | 5 | 6
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So 6 years ago
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