2 years ago

What is the length of the side opposite D?

Mathematics

1 answer:

Kamila [148]2 years ago

6 0

Answer:

5 units

sin(D)= 5/13

Step-by-step explanation:

i just did the question

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Burka [1]

Answer:

Step-by-step explanation:

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2 years ago

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Which expression is a factor of 16x^2-81

krek1111 [17]

Answer:

Step-by-step explanation:

Reasoning: the square root of 16 is 4 and 81 square root is 9

so it is b pls give brainliest! have a good day

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2 years ago

The number of items (N) that can be purchased for a given amount of money is inversely proportional to the cost (C) of an item.

mars1129 [50]

Answer:

436 items

Step-by-step explanation:

When a quantity A is inversely proportional to another quantity B, we can write:

$A=\frac{k}{B}$

Where k is the proportionality constant [that we need to find]

For this problem, we can write the ratio as:

$N=\frac{k}{C}$

Now given N = 480 and C = 4.90, we first find k:

$N=\frac{k}{C}\\480=\frac{k}{4.90}\\k=4.90*480\\k=2352$

Now, as second step, we need this time to find N, when

C = 5.40

Note, we know know k = 2352, so we find N:

$N=\frac{k}{C}\\N=\frac{2352}{5.40}\\N=435.55$

Rounding to next whole number, we have 436 items

5 0

3 years ago

Help me please thanks

Lelu [443]

Answer:

-5/9

Step-by-step explanation:

also for this one, you have to put x as 3, y as 4, and z as 1

4/3(3)-1

=4/9-1

=4/9-9/9

=-5/9

hope this helps xD

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3 years ago

A baseball player hits a ball toward the outfield. The height h of the ball in feet is modeled by h(t) = -16t2 + 22t + 3, where

Roman55 [17]

$h(t)=-16t^2+22t+3\\(0)=-(8t+1)(2t-3)\\8t+1=0:2t-3=0\\8t=-1:2t=3\\t=\frac{-1}{8}:t=\frac{3}{2}$

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2 years ago