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geniusboy [140]

4 years ago

12

Estimate the quotient of 57.8 divided by 81

1 answer:

Rudik [331]4 years ago

3 0

Right answer is 1.4013841

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(2x+3y+4z)(4x^2+9y^2+16z^2-6xy-12yz-8zx)

erma4kov [3.2K]

1.1 Factoring: 4x2+9y2+16z2-6xy-12yz-8xz

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1: -6xy-12yz
Group 2: 16z2-8xz
Group 3: 4x2+9y2

Pull out from each group separately :

Group 1: (x+2z) • (-6y)
Group 2: (x-2z) • (-8z)
Group 3: (4x2+9y2) • (1)

Looking for common sub-expressions :

Group 1: (x+2z) • (-6y)
Group 3: (4x2+9y2) • (1)
Group 2: (x-2z) • (-8z)

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3 years ago

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Inessa05 [86]

Answer:

c

Step-by-step explanation:

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3 years ago

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Please help! I’ll give brainliest to whoever answers first :)

Tanya [424]

Answer:

Step-by-step explanation:

a triangles angles add up to 180

subtract 102 from 180

180-102

that’s 78

a and b are equal so divide 78 by 2 to get 39

a and b are both 39

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3 years ago

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The annual tuition and parent rating of 12 private schools is shown on the scatterplot. The schools are rated on a scale of 0 to

cestrela7 [59]

Answer:

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4 0

2 years ago

At eastwood middle school, 25% of the 60 sudents mrs. Wade teaches buy their lunches in the cafetria. How many students purchase

abruzzese [7]

Answer:

<u>15 students</u> purchase their lunches in the cafeteria.

Step-by-step explanation:

Given:

At eastwood middle school, 25% of the 60 students Mrs. Wade teaches buy their lunches in the cafeteria.

Now, to find the students purchase their lunches in the cafeteria.

Total students = 60.

Percent of students who buy lunches = 25%.

So, to get the number of students who buy their lunches in the cafeteria:

<u><em>25% of 60.</em></u>

$=\frac{25}{100} \times 60$

$=0.25\times 60$

$=15.$

Therefore, 15 students purchase their lunches in the cafeteria.

3 0

3 years ago