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Softa [21]
3 years ago
15

How many triangles can be constructed with angles measuring 80° 80° and 40°

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
6 0
None because a triangle has to equal 180 degrees and the measurements you have equal 200 degrees. So no triangles can be constructed with those measurements
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The sum of two polynomials is â€"yz2 â€" 3z2 â€" 4y 4. If one of the polynomials is y â€" 4yz2 â€" 3, what is the other polynomi
gtnhenbr [62]

The sum of polynomials involves adding the polynomials

The other polynomial is y^3 -y^2+ 4y - 1

The sum of the polynomials is given as:

Sum = y^3 + 3y^2 + 4y - 4

One of the polynomials is given as:

P = 4y^2 - 3

Represent the other polynomial with Q.

So, we have:

P +Q =Sum

Substitute the expressions for P and Sum

4y^2 - 3 +Q =y^3 + 3y^2 + 4y - 4

Make Q the subject

Q =y^3 + 3y^2 -4y^2+ 4y - 4 +3

Evaluate like terms

Q =y^3 -y^2+ 4y - 1

Hence, the other polynomial is y^3 -y^2+ 4y - 1

Read more about polynomials at:

brainly.com/question/1487158

8 0
3 years ago
The answer, and work shown.
hoa [83]
Slope= 1/2
Y intercept= (0,2)

Explanation:
Slope-intercept form is y=mx+b
-2x+4y=8
-8-2x=-4y
Divide by -4
2+1/2x=y

Y=1/2x+2
5 0
3 years ago
The diameters of cherry tomatoes produced by a large farm have an approximately Normal distribution, with a
Citrus2011 [14]

Answer: D. 0.9967

Step-by-step explanation: To solve this, you need to do the z-score formula with both numbers. So 30-22/2.5 = 3.2. On the z-score chart, that equals .9993. Hold onto that number. Then you do the same with 15. 15-22/2.5 = -2.8. On the z score chart, that equals .0026. Subtract those numbers. .9993 - .0026 = .9967. It's not as compacted as it looks <3

7 0
3 years ago
Helppppppppppppp ASAP
Ivan

The formula for N choose K is given as:

C(n, k)= \frac{n!}{[k!(n-k)!]  }

Where,

n is the total numbers.

k is the number of the selected item.

Options C is correct.

6 0
3 years ago
Read 2 more answers
Convert a recipe that serves 6 and calls for 3/4 cups of sugar to one that serves 20.
djyliett [7]

Answer:

5/2cups

Step-by-step explanation:

If a recipe serves 6 and calls for 3/4cups, arecipe that serves 20, will call for (20×3/4)/6 cups. Mathematically;

6recipe = 3/4cups

20recipe = x

Cross multiplying we have;

6x = 20×3/4

6x = 15

x = 15/6

x = 5/2

This means a recipe that serves 20 will call for 5/2cups

3 0
3 years ago
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