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joja [24]
3 years ago
7

-2x(x+3)-(x+1)(x-2)=​

Mathematics
1 answer:
iVinArrow [24]3 years ago
7 0

Answer:

-3x^{2} -5x +2

Step-by-step explanation:

Just combine like terms and solve.

-2x^2+-6x - (x+1)(x-2)

Use foil on the second part

-2x^2-6x - x^2-x-2

Now combine like terms and you’d get your final answer

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Suppose that 13 inches of wire costs 52 cents. At the same rate, how many inches of wire can be bought for 32 cents?
kirill115 [55]

Answer:

So we have a ratio which you have specified 13:52. So we just need to get the same ratio for 13. 32/52 is how we get 32 from multiplying by 52. So now we just need to multiply it for 13 also'

13*32/52 = 8. Therefore the answer to this is 8

<h2 /><h2><u>8 is answer</u></h2>
8 0
3 years ago
Abcd is parallelogram. what is the value of z
bixtya [17]

Answer:

answer is 13

Step-by-step explanation:

opposite angles of parallelogram are equal

therefore,65=5z

z=65/5

z=13

8 0
3 years ago
Linda is filling the mold above with water and freezing it for an ice project. If a = 8 cm and b = 7 cm, what will be the volume
kaheart [24]

The volume of the frozen figure is 736 cm³

<h3>Volume of a prism </h3>

From the question, we are to determine the volume of the frozen figure

In the given diagram,

The volume of the frozen figure = a³ + 1/2(a²b)

From the given information,

a = 8 cm

b = 7 cm

∴ Volume of the frozen figure = 8³ + 1/2(8² ×7)

Volume of the frozen figure = 512 + 1/2(448)

Volume of the frozen figure = 512 + 224

Volume of the frozen figure = 736 cm³

Hence, the volume of the frozen figure is 736 cm³

Learn more on Calculating volume of a prism here: brainly.com/question/13175744

#SPJ1

7 0
2 years ago
Which side lengths form a right triangle 30 POINTS!! I DONT HAVE MUCH TIME
Virty [35]

Answer:

To solve this problem, we can use Pythagorean theorem, it tells us that the square of the hypotenuse is equal to the sum of the square of the other two sides.

When we look at these side lengths, we can see that only the second answer is suitable because from the lengths, we can predict that 13 is the length of the hypotenuse, 5 is the length of the shorter leg and 12 is the length of the other leg, and when you actually calculate it, the result is correct as well:

5² + 12² = 25 + 144 = 169

13² = 169

So the answer is B

4 0
3 years ago
Read 2 more answers
Faith creates a course for students to run on field day. She uses a map with a scale of 1 centimeter: 3 meters. On the map, the
Rufina [12.5K]
I think the answer is 15 meters
6 0
3 years ago
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