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3 years ago

What is the area of a rectangle is represented by 3x2+3x + 10x -10 what are the dimensions of the rectangle

Mathematics

2 answers:

Blababa [14]3 years ago

8 0

Answer:

On the test its a I failed because I put b

Step-by-step explanation:

Lana71 [14]3 years ago

6 0

$3x^2+3x+10x+10=3x(x+1)+10(x+1)=(x+1)(3x+10)\\\\dimensions\ of\ the\ rectangle:(x+1)\ \times\ (3x+10)$

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(4x-3)(2x^2-7x+1) what is the product of this please help!

goblinko [34]

Answer:

$8x^{3}-34x^{2}+25x-3$

Step-by-step explanation:

In order to solve this problem, lets take the two terms in the binomial (4x and -3) and, for each one, multiply them by each term in the trinomial (2x^2, -7x, and 1):

$(4x-3)(2x^{2}-7x+1)$

$(4x*2x^{2})+(4x*-7x)+(4x*1)+(-3*2x^{2})+(-3*-7x)+(-3*1)$

$8x^{3}+(-28x^{2})+4x+(-6x^{2})+21x+(-3)\\$

$8x^{3}-28x^{2}+4x-6x^{2}+21x-3$

Let's combine like terms to get our final answer:

$8x^{3}-28x^{2}-6x^{2}+4x+21x-3$

$8x^{3}-34x^{2}+25x-3$

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3 years ago

The principal of a school claims that 30 % of grade 3 pupils stay in the playground after their classes. A survey among 500 grad

ycow [4]

Answer:

A survey among 500 grade 3 pupils revealed that 150 of them stayin the playground after their classes. Use 95% confidence to conduct a test of proportion. 1 1.

Step-by-step explanation:

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3 years ago

Write 1.12 as a mixed number

erma4kov [3.2K]

Answer: 1 12/100

Step-by-step explanation:

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4 years ago

Read 2 more answers

An employee earns $195 for 15 hours of work. Assuming he is paid by the hour, how much will the employee earn in 8 hours?

vampirchik [111]

Answer:

$104

Step-by-step explanation:

First, find the employee’s hourly rate. You can do this by dividing the total amount earned by the total hours worked. $\frac{195}{15}=13$
Now that you know that the employee’s hourly rate is $13 per hour, you can multiply the hourly rate by the number of hours. $13*8=104$

7 0

3 years ago

A vessel full of water weighs 16.5kg. when the vessel is half full, it weighs 10.5kg. find the weight of the empty vessel

omeli [17]

We know that
A vessel full of water weighs 16.5kg
when the vessel is half full, it weights 10.5kg
so
16.5 kg-10.5 kg=6 kg is the weight of half water
the weight of full water=6kg*2------> 12 kg
so
the weight of the vessel=A vessel full of water-the weight of a full water
the weight of the vessel=16.5 kg-12kg=4.5 kg

the answer is
the weight of the vessel is 4.5 kg

5 0

3 years ago