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Anna71 [15]
2 years ago
14

What is the product?

Mathematics
2 answers:
lana [24]2 years ago
5 0

Answer:

The correct option is b.

Step-by-step explanation:

We have to find the product of \frac{2a-7}{a}  and  \frac{3a^2}{2a^2-11a+14}.

Multiply both terms.

\frac{2a-7}{a}\times \frac{3a^2}{2a^2-11a+14}

Cancel out the common factor a from numerator and denominator.

\frac{2a-7}{1}\times \frac{3a}{2a^2-7a-4a+14}

\frac{2a-7}{1}\times \frac{3a}{a(2a-7)-2(2a-7)}

\frac{2a-7}{1}\times \frac{3a}{(2a-7)(a-2)}

Cancel out the common factor (2a-7) from numerator and denominator.

\frac{1}{1}\times \frac{3a}{a-2}

\frac{3a}{a-2}

Therefore, the correct option is b.

Ganezh [65]2 years ago
4 0
This question involves factoring and multiplying equations so just follow along my procedures in the image

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Mr. Rogers has $4.62. He has 3 times as many dimes as nickels and 6 more pennies than dimes. How many coins of each kind does he
Marysya12 [62]
Let’s make x = # of nickels. Then 3x = # of dimes and 3x+6 = # of pennies. A nickel is 5 cents, a dime is 10 cents and a penny is 1 cent.

The money she has should be .05(x) + .10(3x) + .01(3x+6) = 4.62 or to make it simpler: 5(x) + 10(3x) + 1(3x+6) = 462.

5x + 30x + 3x + 6 = 462

38x + 6 = 462

38x = 456

x = 12.

So she has 12 nickels (12 * $0.05 = $0.60), 36 dimes (36 * $0.10 = $3.60) and 42 pennies (42 * $0.01 = $0.42). $3.60 + $0.60 + $0.42 = $4.62.
3 0
3 years ago
What is the perimeter of isosceles trapezoid KLMN?? HELP<br> ASAP!!!!
algol13
MN = √2
it comes from √(1^2 + 1^2) = √2 (use phytagoras)

LK = 2 x MN = 2 √2

NK = √(2^2 + 1^2) = √5

ML = NK = √5

so the perimeter
√2 + 2 √2 + √5 + √5
3 √2 + 2 √5
4 0
2 years ago
Healthy Gym
ehidna [41]

Answer:

c=2d+5

Step-by-step explanation:

Let

d ------> the number of days

c -----> the cost

we know that

The cost is equal to the number of days multiplied by $2 per day plus the initial fee of $5

The linear equation in slope-intercept form is

c=md+b

where

m is the slope

b is the c-intercept (value of c when the value of d is equal to zero)

in this problem we have

m=$2 per day

b=$5

substitute

c=2d+5

8 0
3 years ago
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Stolb23 [73]

Answer:

14 +15 the answer is this

8 0
3 years ago
HELP NEEDED IMMEDIATELY
VMariaS [17]

Answer:

Step-by-step explanation:

B:Convert the fractional part only then add it to the whole number.

C :  9 1/2,3π,92/5,91/10

B : √26,5.5,5.8,31/5

B: -7,20/3, 7.1 ,√51 , 6π

C: -π , -√5 , -3/2,-1.03

3 0
2 years ago
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