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4 years ago

What is 2000554 x 45949594

Mathematics

2 answers:

miskamm [114]4 years ago

6 0

The answer is 91924644075076

bekas [8.4K]4 years ago

4 0

The answer is 91,924,644,075,076.

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Identify the property that is illustrated. 23 + (2 +7) = (23 +2) + 7

iris [78.8K]

Answer:

That property would be associative

Step-by-.step explanation:

Because no matter how you change the parentheses in that problem, it would be the same.

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3 years ago

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It costs a store $30 to buy a pair of bluetooth headphones. The store sells them at an 80% markup.

sweet [91]

Answer:$54 sales tax $24

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3 years ago

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All of the following are rational numbers except ____

Lelu [443]

Answer:

D. 3.14159...

Step-by-step explanation:

A repeating decimal Is not a rational number

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4 years ago

Solve using law of sines or law of cosines!

malfutka [58]

Answer:

Part 5) The length of the ski lift is $1.15\ miles$

Part 6) The height of the tree is 18.12 m

Step-by-step explanation:

Part 5)

Let

A -----> Beginning of the ski lift

B -----> Top of the mountain

C -----> Base of mountain

we have

$b=0.75\ miles$

$A=20\°$

$C=180\°-50\°=130\°$ ----> by supplementary angles

Find the measure of angle B

Remember that the sum of the interior angles must be equal to 180 degrees

$B=180\°-A-C$

substitute

$B=180\°-20\°-130\°=30\°$

Applying the law of sines

$\frac{b}{sin(B)}=\frac{c}{sin(C)}$

substitute

$\frac{0.75}{sin(30\°)}=\frac{c}{sin(130\°)}$

$c=\frac{0.75}{sin(30\°)}(sin(130\°))$

$c=1.15\ miles$

Par 6)

see the attached figure with letters to better understand the problem

Applying the law of sines in the right triangle BDC

In the right triangle BDC 20 degrees is the complement of 70 degrees

$\frac{BC}{sin(70\°)}=\frac{x}{sin(20\°)}$

$BC=(sin(70\°))\frac{x}{sin(20\°)}$ -----> equation A

Applying the law of sines in the right triangle ABC

In the right triangle ABC 50 degrees is the complement of 40 degrees

$\frac{BC}{sin(40\°)}=\frac{x+15}{sin(50\°)}$

$BC=(sin(40\°))\frac{x+15}{sin(50\°)}$ -----> equation B

Equate equation A and equation B and solve for x

$(sin(70\°))\frac{x}{sin(20\°)}=(sin(40\°))\frac{x+15}{sin(50\°)}\\\\2.7475x=0.8391(x+15)\\\\2.7475x=0.8391x+12.5865\\\\2.7475x-0.8391x=12.5865\\\\x=6.60\ m$

Find the value of BC

$BC=(sin(70\°))\frac{6.6}{sin(20\°)}$

$BC=18.12\ m$

therefore

The height of the tree is 18.12 m

5 0

4 years ago

Solve for x 1+4x=-5+7x

SVETLANKA909090 [29]

Steps to solve:

1 + 4x = -5 + 7x

~Subtract 1 to both sides

4x = -6 + 7x

~Subtract 7x to both sides

-3x = -6

~Divide -3 to both sides

x = 2

Best of Luck!

6 0

3 years ago

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