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3 years ago

HELP PLZ ILL MAKE BRAINLIEST AND GIVE ALOT OF POINTS-

Mathematics

2 answers:

timurjin [86]3 years ago

8 0

Answer:

Step-by-step explanation:

Given ,

13d + 8 = -1

=> 13d = -1 - 8

=> 13d = -9

$= > d = \frac{ - 9}{13}$

Hence, 

The value of d = -9/13 (Ans)

ki77a [65]3 years ago

4 0

Answer:

d = - $\frac{9}{13}$

Step-by-step explanation:

Given

13d + 8 = - 1 ( subtract 8 from both sides )

13d = - 9 ( divide both sides by 13 )

d = - $\frac{9}{13}$

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Alexis counted 16 commercials while watching 30 min of tv. At this rate, how many commercials would play in a day

Nat2105 [25]

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3 years ago

Answer the following (a) find an angle between 0 and 2 that is coterminal with 27/10 (b) find an angle between 0 and 360 That is

tekilochka [14]

Answer:

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3 years ago

95i is a root of f(x)=x^2 +9025. find the other roots of f(x)

Alex_Xolod [135]

Answer:

Other root is -95i

Step-by-step explanation:

Here, Nature of roots of f(x) is imaginary roots.

Therefore, Roots are conjugate of each other.

Conjugate of x + yi is x - yi.

we get conjugate of 95i as -95i

Verification shows....

(x-95)(x+95i)=0

${x }^{2} - {95}^{2} {i}^{2} = 0 \\ {x }^{2} + {95}^{2} = 0 \\ {x }^{2} + 9025= 0 \\ f(x) = 0$

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4 years ago

dan is building a circular swimming pool and wants the circumference to be no more than 95 feet what is the largest radius possi

sleet_krkn [62]

The largest radius for the swimming pool is 15.1 feet

Step-by-step explanation:

Step 1:

Circumference of the circular swimming pool built by Dan = 95 feet

We need to determine the largest radius for the pool.

Step 2 :

Circle's circumference is given by 2πr

Where r represents the radius

This shows that the radius is in direct proportion to the circumference. Hence the radius corresponding to the maximum circumference will be the largest possible radius

So we have 2πr = 95

=> r = $\frac{95}{2\pi }$

=> r = $\frac{95}{2}$ × $\frac{7}{22 }$ where $\pi = \frac{22}{7}$

=> r = 15.1 feet (rounded off to tenth of a foot)

Step 3 :

The largest radius for the swimming pool is 15.1 feet

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4 years ago

Dana is attaching a shelf to a wall and needs the shelf to be parallel to the floor. How many degrees should the shelf be

tatuchka [14]

<h3>Answer: 0 degrees (choice A)</h3>

Explanation:

By definition, the floor is assumed to be level and that means the floor is at a 0 degree angle. The shelf must also have this same angle relative to the floor so we have the shelf and floor as parallel planes. For more info, check out the converse of the corresponding angles theorem.

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2 years ago