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3 years ago

Fifteen times the square of a non-zero number is equal to 12 times the number. whats the number?

Mathematics

1 answer:

Fofino [41]3 years ago

4 0

15x^2 = 12x
divide each side by x
15x = 12
now divide each side by 15
x = 12/15 or 4/5 which is also 0.8

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How much its 5+3+3×15=

AveGali [126]

=5 + 3 + 3 * 15
do multiplication first
=5 + 3 + 45
=8 + 45
=53

ANSWER: 53

Hope this helps! :)

7 0

3 years ago

Read 2 more answers

No link answers please!!

nignag [31]

Answer: X= 6 or X=-4

Step-by-step explanation:

$x^{2} -2x-24=0\\(x-6)(x+4)=0\\x-6=0 --> x=6\\x+4=---> x=-4$

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3 years ago

Daniel buys a block of clay for an art project. The block is shaped like a cube with edges lengths of 10 inches. Daniel decides

Andre45 [30]

Answer:

=14.92...

14 the maximum number of spheres that Daniel can make from the chunk of clay.

Step-by-step explanation:

10^3=1000 in^3

1000/2=500 vol of one congruent chunk.

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500/(4/3 * pi * 2^3)

=14.92...

5 0

2 years ago

5-2×=13 <br>cual es el numero para 2x<br>

olya-2409 [2.1K]

Answer: 39

Step-by-step explanation: x=13. so 5-2=3 x 13 = 39 espero que esto ayude :)

3 0

3 years ago

Find value of x and y

marshall27 [118]

Answer:

x = 17 $\sqrt{3}$ , y = 34

Step-by-step explanation:

Since the triangle is right use trig ratios to find x and y

note exact values sin30° = $\frac{1}{2}$ , tan30° = $\frac{1}{\sqrt{3} }$

sin30° = $\frac{opposite}{hypotenuse}$ = $\frac{17}{y}$

multiply both sides by y

y sin30° = 17 ( divide both sides by sin30° )

y = $\frac{17}{\frac{1}{2} }$ = 34

tan30° = $\frac{opposite}{adjacent}$ = $\frac{17}{x}$

multiply both sides by x

x tan30° = 17 ( divide both sides by tan30° )

x = $\frac{17}{\frac{1}{\sqrt{3} } }$ = 17 $\sqrt{3}$

8 0

3 years ago