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KonstantinChe [14]
3 years ago
6

How would you use a number line to round 16800 to the nearest ten thousand?

Mathematics
1 answer:
allsm [11]3 years ago
4 0

Well you'd see if it's closer to 10000 or 20000.

In this case it would round to 20000.

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Kay [80]

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6 0
3 years ago
One fourth of a number is added to one fifth of the number. If the result is 8, find the number
Ainat [17]

Answer:

17.7778

Step-by-step explanation:

nSolve(1/4n + 1/5n = 8,n)

Solved with TI-nspire CX

8 0
2 years ago
Read 2 more answers
P2 + 4p - 12 = 0 Find the value of the discriminant. A) 2 B) 4 C) 8 D) 64
Nezavi [6.7K]

Answer:

D

Step-by-step explanation:

given p² + 4p - 12 = 0 ← in standard form

with a = 1, b = 4, c = - 12, then the discriminant

Δ = b² - 4ac

 = 4² - (4 × 1 × - 12) = 16 - (- 48) = 16 + 48 = 64 → D

8 0
3 years ago
Can someone explain how to use sin cos and tan on right angled triangles
eduard
<h3>Answer:  d = 47.3897287242421 approximately</h3>

Round this however you need to

=================================================

Explanation:

The reference angle is 56 degrees. The side 26.5 is adjacent to this angle as it is the leg closest to the angle (in contrast to the opposite leg or opposite side that is furthest from the reference angle)

The hypotenuse is d. The hypotenuse is always the longest side. The longest side is always opposite the largest angle of a triangle.

We will use the cosine ratio as it is the ratio of adjacent over hypotenuse

cos(angle) = adjacent/hypotenuse

cos(56) = 26.5/d

d*cos(56) = 26.5

d = 26.5/cos(56)

d = 47.3897287242421

You use your calculator for the last step shown above. Make sure your calculator is in degree mode. Round that value however you need to.

6 0
3 years ago
Read 2 more answers
Show all your work!Thank you!
mote1985 [20]
First we should change these mixed numbers into improper fractions:

12 \frac{4}{9}= \frac{112}{9}

1 \frac{7}{9}= \frac{16}{9}

We can find the number of crates used by dividing the total amount of electrical supplies by the amount that each crate can hold:

\frac{112}{9} / \frac{16}{9}=\frac{112}{9} * \frac{9}{16} = \frac{1,008}{144}=7

So now we know that Otto used 7 crates.
6 0
3 years ago
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