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2 years ago

11

you are in a boat that uses four gallons of gas per hour, travels at six miles per hour and has ten gallons of gas. Can you make

it across the lake to the other shore which is 14 miles away

1 answer:

dedylja [7]2 years ago

4 0

Answer:

Its not possible

Step-by-step explanation:

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Help plz with Algebra question I attached a file

astraxan [27]

Answer:

x=4.63

Step-by-step explanation:

Area = (1/2) (base) (height)

20 = (1/2) (x+4) (x)

40 = x²+4x

x²+4x-40=0

Put in quadratic equation:

x= $\frac{-4(+/-)\sqrt{4^{2}-4(1)(-40) } }{2(1)}$

x= $\frac{-4(+/-)\sqrt{176} }{2}$

x=4.63324958071 or x=-8.63324958071

Since x can't be negative in this case we take our answer to be 4.63324958071, which rounds to 4.63

5 0

2 years ago

Can someone please give me the (Answers) to this? ... please ...

Tpy6a [65]

Answer:

<em><u>If this is correct, can you mark me as Brainliest Please :)</u></em>

Step-by-step explanation:

<em>Alternate Interior Angles : 2,7 3,6 </em>
<em>Corresponding Angles : (7,5)(6,8)(3,1)(2’d)</em>
<em>Same- Side interior Angles:(6,7) (2,3)</em>
<em>Alternate Exterior Angles : (1,8) (5’d)</em>
Adjacent Angles : (3,7) (7,8)
Supplementary Angles:(1,2) (5,6)

Complementary Angles : (2,5) (1,6)

7 0

2 years ago

Going into the final exam, which will count as two tests, Brooke has test scores of 75, 82, 70, 65, and 90. What score does Broo

dusya [7]

Brooke needs to get a 98 on the final to get an average of 80.
So you know that the total of the five given score is 382 by adding all the scores.
Now you multiply the average, 80 by 6 for the total of six tests including the final which is 480
Then you subtract 480-382 to find your answer.

4 0

3 years ago

There are 3 apples, john takes 2, how much are there

sineoko [7]

Answer:

1 apple

Step-by-step explanation:

8 0

2 years ago

I just need help with three, four, and seven. Solve the system of linear equations, and determine if the equation has one soluti

likoan [24]

3. If $y=5x+9$ and $y=3x-2$ , then

$5x+9=3x-2\implies2x+9=-2\implies2x=-11\implies x=-\dfrac{11}2$

Then

$y=5\left(-\dfrac{11}2\right)+9=-\dfrac{55}2+9=-\dfrac{37}2$

(only one solution)

4. If $y+2=4x$ , then $y=4x-2$ . So we're told that $4x-5=4x-2$ but this is impossible, because that would that for any $x$ , we have -5 = -2. This is false, so this system has no solution.

7. "y is 6 less than 3 times x" means $y=3x-6$ . "x is 2 more than one-third of y" means $x=\dfrac13y+2$ . Solving the second equation for $y$ gives $y=3x-2$ , which would mean $3x-6=3x-2$ . But for the same reason as in (4), there is no solution. For any value of $x$ , this equation gives the false conclusion that -6 = -2.

8 0

3 years ago