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Bezzdna [24]
3 years ago
10

Jessica assembles a product that requires the insertion of 3 aluminum pins. She can assemble approximately 15 products per hour.

Approximately how many pins will Jessica need during 6 hours of assembly time
Mathematics
1 answer:
larisa [96]3 years ago
3 0
If she can make 15 per hour that would mean that each hour she is making 15 cans.

She has 6 hours that means that she will make 90 products.

How To Do The Math: 15<span>×6=90

Since we are finding out how many pins she need and not haw many products we will have to check how many pins she will need per product.

She needs 3 pins per product.

Since she will be making 90 products all we have to do is multiply 90 by 3 which will equal 270.

How To Do The Math:90</span><span>×3=270

Your Answer will be 270 Pins.</span>
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In ratio form, this can look like 30:12
7 0
3 years ago
a cookie recipe needs 1 1/3 cups of flour to make 1/2 batch of cookies. How much flour is needed to make 1 batch of cookies?
Irina-Kira [14]
2 2/3cups of flour for a full batch of cookies
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What are all the roots of the equation x^2+6x-9
frez [133]

Answer:

x = - 3 ± 3\sqrt{2}

Step-by-step explanation:

given the equation x² + 6x - 9 = 0

We can solve for x using the quadratic formula

x = ( - b ± \sqrt{b^2-4ac } ) / 2a

with a = 1, b = 6 and c = - 9

x = ( - 6 ± \sqrt{6^2-(4(1)(-9)} ) / 2

  = ( - 6 ± \sqrt{36+36} ) / 2

  = ( - 6 ± \sqrt{72} ) / 2

  = ( - 6 ± 6\sqrt{2} ) / 2

x = - 3 ± 3\sqrt{2}


5 0
3 years ago
Initially a wheel rotating about a fixed axis at a constant angular deceleration of 0.5 rad/s 2 has an angular velocity of 0 rad
Zigmanuir [339]

Answer:

\theta = 5.83\ rad

Step-by-step explanation:

given,

angular deceleration, α = -0.5 rad/s²

final angular velocity,ω_f = 0 rad/s

angular position, θ = 6.1 rad

angular position at 3.9 s = ?

now, Calculating the initial angular speed

\omega_f^2 = \omega_i^2 + 2 \alpha \theta

0 = \omega_i^2 - 2\times 0.5\times 6.1

\omega_i = \sqrt{6.1}

\omega_i = 2.47\ rad/s

now, angular position calculation at t=3.9 s

\theta = \omega_i t + \dfrac{1}{2}\alpha t^2

\theta =2.47\times 3.9 - \dfrac{1}{2}\times 0.5\times 3.9^2

\theta = 5.83\ rad

Hence, the angular position of the wheel after 3.9 s is equal to 5.83 rad.

7 0
3 years ago
Melanie makes $3.00 less per hour babysitting than her best friend, Carita. If the combined hourly rate of Melanie and Carita is
marysya [2.9K]

Answer:

B 6.00

Step-by-step explanation:

M= 6$

C= 9$

M+C= 6+9= 15$ per hour

3 0
3 years ago
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