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3 years ago

Help me please if u answer these i will love u forever

Mathematics

1 answer:

Genrish500 [490]3 years ago

5 0

Answer:

1. Yes

2. No

3. Yes

4. No

5. Yes

6. No

1____I____1.95

2____I____3.90

3____I____5.85

4____I____7.80

1____I____1 1/3

2____I____2 2/3

3____I____4

4____I____5 1/3

1____I____62

4____I____248

7____I____434

9____I____558

10.

0.75____I____1.17

1.25____I____2.95

2____I____4.72

2.5____I____5.9

11.

2____I____1.6

4____I____3.2

6____I____4.8

8____I____6.4

12.

1____I____3 7/8

2____I____7 6/8

3____I____11 5/8

4____I____15 1/2

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Drag each expression to the correct location on the model. Not all will be used

grandymaker [24]

Answer: $\dfrac{x^{2}+2x+1 }{\mathbf {x-1}} \cdot \dfrac{\mathbf {5x^{2} +15x-20} }{7x^{2} +7x}$

Step-by-step explanation:

$\dfrac{\dfrac{5x^{2} +25x+20}{7x} }{\dfrac{x^{2} +2x+1}{7x^{2} +7x} } =\dfrac{5x^{2} +25x+20}{7x} \times \dfrac{7x^{2} +7x}{x^{2} +2x+1}=\dfrac{5x^{2} +25x+20}{7x} \times \dfrac{7x(x +1)}{(x+1)^{2} }=\\\\=\dfrac{5x^{2} +25x+20}{x+1} =\dfrac{{5(x+1)(x+4)}}{x+1}=5(x+4)$

$5(x+4)=\dfrac{5(x-1) \cdot (x+4)}{x-1}=\dfrac{5x^{2} +15x-20}{x-1}$

Thus, the expressions will be used: (5x² + 15x - 20) and (x + 4).

Let's check:

$\dfrac{x^{2}+2x+1 }{\mathbf {x-1}} \cdot \dfrac{\mathbf {5x^{2} +15x-20} }{7x^{2} +7x} =\dfrac{(x+1)^{2} }{x-1} \cdot \dfrac{5(x-1) \cdot (x+4)}{7x(x+1)} =\\\\=\dfrac{(x+1) \cdot 5 \cdot (x+4)}{7x} =\dfrac{5x^{2} +25x+20}{7x}$

5 0

3 years ago

Dave is taking a algebra ii test and comes across this question: you have two die that you will roll. you will sum up the face v

sammy [17]

He should guess about 34 times.

When you are rolling two dice there are 36 probabilities. In order to get an 8, there are 5 possibilities.

2 + 6, 3 + 5, 4 + 4, 5, + 3, 6 + 2

Therefore, the chances of an 8 are 5/36. Multiplying this by 250 gives us about 34.

The law of large numbers helps because it says the more rolls that take place, the more likely we are to get close to the expected value. With 250 rolls we should get pretty close.

5 0

3 years ago

Read 2 more answers

What is the measure of ZM? 48 66°

wariber [46]

Answer:

∠M = 72°

Step-by-step explanation:

L = 180 - (90 + 48) = 42

M = 180 - (42 + 66) = 72

7 0

3 years ago