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SpyIntel [72]
2 years ago
15

Two nimbers have a product of 90 and a sum of 19. What are the two numbers?​

Mathematics
1 answer:
bulgar [2K]2 years ago
6 0

Answer:

9 + 10 = 19 product is 9 x 10 = 90 9^2 + 10^2 = 181

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Pablo and max's follows a flight pattern approximatley modled by the equation h(t)=-8t^2+16t+2 where h(t)is their rocket's heigh
kodGreya [7K]

Answer: 2.11 s

Step-by-step explanation:

Given

Equation of rockets height is given by

\Rightarrow h(t)=-8t^2+16+2

Height will be zero once the rocket lands on the ground

So, we can write

\Rightarrow h(t)=0\ \text{or}\ -8t^2+16t+2=0\\\Rightarrow 8t^2-16t-2=0\\\\\Rightarrow t=\dfrac{16\pm \sqrt{(-16)^2-4(8)(-2)}}{2\times 8}\\\\\Rightarrow t=\dfrac{16\pm \sqrt{320}}{16}\\\\\text{Neglecting negative value of t}\\\\\Rightarrow t=\dfrac{16+17.888}{16}=2.11\ s

7 0
2 years ago
Solve the right triangle ABC with right angle C, if B=30 degrees, and C = 10
iren2701 [21]

Answer:

The answer to your question is letter D

Step-by-step explanation:

We know that the sum of the internal angles in a triangle equals 180°.

So, B = 30°, C = 90° and A = ?

                      A + B + C = 180°

Substitution

                      A + 30 + 90 = 180

Solve for A

                     A = 180 - 30 - 90

                     A = 180 - 120

                    A = 60°

To find "b". use the trigonometric function sine

sin B = \frac{opposite side}{hypotenuse}

sin B x hypotenuse = Opposite side

Opposite side = sin 30 x 10

Opposite side = 0.5 x 10

Opposite side = b = 5.0                          

To find "a" use the trigonometric function cosine

Cos A = adjacent side / hypotenuse

Adjacent side = a = cos A x hypotenuse

Adjacent side = a = cos 60 x 10

                          a = 0.866 x 10

                         a = 8.66                      

8 0
2 years ago
What is the volume of a cylinder with a height of 2 feet and a radius of 6 feet?
Bezzdna [24]

Answer:V≈226.19ft³

Step-by-step explanation:

4 0
1 year ago
Factored form of x^12 y^16+1
skelet666 [1.2K]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the final hourly wage if a $6.00 starting wage is increased by 5.5% each year for 10 years
Veronika [31]

Answer:

The total earnings for a wage of 6 per hour, an average work week of 8 hours, and working a total of 521 weeks (10 year) per year is:

$48.00 per week

or $25,008.00 per year

But to figure out how much the wage is being increased by 5.5% you would add 5.5% to the salary per year so 25,008.00 + 1,375.44= 26,383.44

3 0
2 years ago
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