3 years ago

What’s 4 times 15 divided by 8 plus 20 minus 5 divided by 3

Mathematics

1 answer:

jonny [76]3 years ago

4 0

The answer is 25.83333333

Hope this helps!

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Here is the right photo please help i need this before july 1st thank you

Reil [10]

Answer:

i hope this helps

Step-by-step explanation:

2 $x^{2}$ -16=0

+16 +16

2 $x^{2}$ =16

÷2 ÷2

$x^{2}$ = 8

$\sqrt{x^{2} }$ = $\sqrt{8}$

x= $\sqrt{8}$

-5 $x^{2}$ +9=0

-9 -9

-5 $x^{2}$ =-9

÷-5 ÷-5

$x^{2}$ =1.8

$\sqrt{x^{2} }$ = $\sqrt{1.8}$

x= $\sqrt{1.8}$

6 $x^{2}$ -15=27

+15 +15

6 $x^{2}$ =42

÷6 ÷6

$x^{2}$ =7

$\sqrt{x^{2} }$ = $\sqrt{7}$

x= $\sqrt{7}$

4 0

4 years ago

Inverse cosine of square root of 3 over 2? cos-1(square root of 3/2)

Amiraneli [1.4K]

Cos(x°) = (√3)/2
cos⁻¹[(√3)/2] = x°, that means x° = 30°

8 0

3 years ago

A bag contains 30 red and blue marbles. If 19 are blue, what fraction of the marbles are blue?

Musya8 [376]

Answer:

19%

Step-by-step explanation:

19/100. i don't think it is that simple, but i did the best i could

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3 years ago

A full grown German Shepherd weighs about 35 kg on Earth and only 13.3 kg on Mars. How much would a German Shepherd puppy weigh

7nadin3 [17]

Answer:

Step-by-step explanation:5 pounds

35/13.3=2.63. 1.9x2.63=5kg

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3 years ago

A fireworks store is offering 15% off all fireworks. If you come to the store on the fourth of July, you get an extra 15% off th

MrRa [10]

15% off all fireworks
extra 15% off on July Fourth.

$112.25*.15= 16.8375
112.25-16.8375= 95.1625 *.15= 14.274375
95.1625-14.274375= 80.888125

$80.89 is the price.

3 0

3 years ago