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3 years ago

How many triangles can be constructed with angles measuring 120°, 40°, and 10°?

Mathematics

2 answers:

Mariana [72]3 years ago

8 0

B.none because if you add up all the angles it doesn't equal 180 degrees

7nadin3 [17]3 years ago

6 0

B. None.

The sum of the interior angles in a triangle always add up to 180°. In the question the angles add up to 170°, and therefore it is impossible to form a triangle with this interior angles.

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The length of rectangle is 1 meter less than it's width . The area of the rectangle is 42 square meters. Find the dimensions of

serg [7]

We can turn this word problem into equations! So let l be length and w be width. So we can write, l+1=w. And l*w=42. we can plug the first equation in... l(l+1)=42 which is l^2+l=42. We can see that l=6. So w=7.

7 0

3 years ago

Which of the following shows the diameter of a circle?

Ne4ueva [31]

None of them because they are all 4 blank

4 0

3 years ago

Read 2 more answers

Liono4ka [1.6K]

Answer:

57 inches

Step-by-step explanation:

the area with the triangle is 72

the area of the triangle was 15

3 0

3 years ago

4 - 4 * 0 + 4 / 4 = ??

ss7ja [257]

Answer:

Step-by-step explanation:

4 - 4 * 0 + 4 / 4 =

4 - 0 + 1 =

4 + 1 =

7 0

3 years ago

. Break downs occur on a 20-years-old car with rate λ= 0.5 breakdowns/week. The owner of the car is planning to have a trip on h

tensa zangetsu [6.8K]

Answer: 0.3679

Step-by-step explanation:

The formula for Poisson distribution :-

$P(x)=\dfrac{e^{-\lambda}\lambda^{x}}{x!}$

Let x be the number of breakdowns.

Given : The rate of breakdown per week : 0.5

Then , for 2 weeks period the number of breakdowns = $\lambda=0.5\times2=1$

Then , the probability that there will be no breakdown on his car in the trip is given by :-

$P(x)=\dfrac{e^{-1}1^{0}}{0!}=0.367879441171\approx0.3679$

Hence, the required probability : 0.3679

7 0

3 years ago