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Dmitrij [34]
4 years ago
12

Help, please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
natulia [17]4 years ago
8 0
I'm not the greatest at math, but I believe that the length of the rectangle is x-2 and the width is 2x-5. It gave you the area, which is length times width, which means that (x-2)(2x-5)=56. Then you would have to distribute and subtract 56 from both sides. Are you learning about the quadratic formula right now? Because it would have to be used here if I'm doing this right. I could be wrong!
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Which of the following is a multiple of 4?
bagirrra123 [75]
The answer is A. if you divide 620 by four you would get 155 and the rest would have a decimal
4 0
3 years ago
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The grocery store makes a 20% profit on baked goods. The profit for baked goods last month was $600. What was the total sales fo
torisob [31]

Let x = total sales of baked goods      remember 20% = .20 as a decimal

so the equation would be .20x = $600

divide both sides by .20

                                     .20x/.20 = $600/.20

           

                                                x = $3000 the total sales of baked goods

CHECK:  20% times $3000 = .20 times $3000 = $600

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3 years ago
Abby and her mom are driving on a road trip, and Abby is watching the milepost signs go by. Each hour she writes down which mile
OleMash [197]

Its linear. I looked it up. ;)

5 0
3 years ago
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If the length of AO is double the length of CO, the length of BO is?
andreev551 [17]

BO is double that of DO. In other words, BO is two times longer than DO. The answer is choice B

For example, if DO were 3 units long, then BO would be 6 units long (2*3 = 6). This works because the triangles DCO and BAO are similar triangles. The corresponding sides are in the same ratio or proportion to one another. The larger triangle (BAO) has sides that are twice as long as the smaller triangle's (DCO) corresponding sides.

Side note: we can prove the triangles to be similar using the AA (angle angle) similarity theorem. The first pair of angles are the vertical angles DOC and BOA which are congruent to each other.The second pair is CDB and ABD which are congruent by the alternate interior angle theorem. Check out the attached image for a visual.

7 0
3 years ago
The distance around a circle is 37.7 meters long. what is the diameter of the circle?
aksik [14]
Ok so we know that the distance around the circle (or circumference) is equal to the diameter times pi.
This means that
37.7 = \pi \times d
d being the diameter,

This means that:
d =  \frac{37.7}{\pi}
= 12.00028271
= 12 m

So the diameter of the circle is 12 metres.

Hope this helped
6 0
4 years ago
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