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3 years ago

8

Omar shaded a model to show the part of the lawn that he finished mowing. What fraction names the shaded parts ( 8 eighths with

1 shaded ) EXPLAIN how you know how to write the faction

2 answers:

Sever21 [200]3 years ago

4 0

The answer is 1/8 because he shaded obe out of eight parts

gayaneshka [121]3 years ago

4 0

This is because if it is 8 eighths its like 8/8=1

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if an airplane consumes 30.25 gallons of fuel in 2.8 hours of flying how many gallons will it consume and 4.3 hours of flying?

wariber [46]

Answer:

46.46 gallons

Step-by-step explanation:

we know that

An airplane consumes 30.25 gallons of fuel in 2.8 hours of flying

so

using proportion

Find out how many gallons will it consume in 4.3 hours of flying

$\frac{30.25}{2.8}\ \frac{gal}{h}=\frac{x}{4.3}\ \frac{gal}{h}\\\\x=30.25*(4.3)/2.8\\\\x= 46.46\ gal$

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3 years ago

F(x) = 3x^2-3x + 1<br> Find f (-2)

Oxana [17]

Answer:

19

Step-by-step explanation:

f(x) = 3x^2-3x + 1

Let x = -2

f(-2) = 3( -2)^2-3*-2 + 1

= 3 * 4+6+1

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8 0

3 years ago

43 - 12y = 8<br> 41 + 12y = 56

Anna71 [15]

Answer:

no solution

Step-by-step explanation:

+12y and -12y cancel each other out.

we are left with 43+41=8+56

84 doesn't equal 64

so NO SOLUTION

7 0

2 years ago

What is 20 x 10 - 100

ArbitrLikvidat [17]

If you multiply 20 and 10 you get 200 after that you subtract 100 to get...One hundred

3 0

3 years ago

How are the following three expressions different from each other, if needed they are? Do not just state the value of each but e

Advocard [28]

Answer:

2 and 3 are same since in both the cases we need to square 2 only not the negative 1 in it

1 is not same to 2 and 3 since in 1 we need to square 2 and negative 1 in it also.

Step-by-step explanation:

We are given the three expressions different from each other

We are supposed to find what may be same or different.

1) $(-2)^2$

$\Rightarrow (-1)^2 \times (2)^2\\\Rightarrow -1 \times -1 \times 2 \times 2 \\\Rightarrow 4$

2) $-2^2$

$\Rightarrow -1 \times 2^2\\\Rightarrow -1 \times 2 \times 2 \\\Rightarrow -4$

3) $-(2)^2$

$\Rightarrow -1 \times (2)^2\\\Rightarrow -1 \times 2 \times 2 \\\Rightarrow -4$

Now 2 and 3 are same since in both the cases we need to square 2 only not the negative 1 in it

1 is not same to 2 and 3 since in 1 we need to square 2 and negative 1 in it also.

3 0

3 years ago