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3 years ago

What is 12:34 and 19:56

Mathematics

2 answers:

aksik [14]3 years ago

7 0

If you are referring to time then 19:56 is 7:56 PM

Gre4nikov [31]3 years ago

4 0

Answer

the question is not clear but i think these numbers refer to time

Step-by-step explanation:

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The equation

Vilka [71]

Answer: B

Step-by-step explanation: There are two ways to solve this question. The faster way is to multiply each side of the given equation by ax−2 (so you can get rid of the fraction). When you multiply each side by ax−2, you should have:

24x2+25x−47=(−8x−3)(ax−2)−53

You should then multiply (−8x−3) and (ax−2) using FOIL.

24x2+25x−47=−8ax2−3ax+16x+6−53

Then, reduce on the right side of the equation

24x2+25x−47=−8ax2−3ax+16x−47

Since the coefficients of the x2-term have to be equal on both sides of the equation, −8a=24, or a=−3.

The other option which is longer and more tedious is to attempt to plug in all of the answer choices for a and see which answer choice makes both sides of the equation equal. Again, this is the longer option, and I do not recommend it for the actual SAT as it will waste too much time.

The final answer is B.

4 0

3 years ago

Read 2 more answers

Calculate the future value of an investment of $2300, after 7 months, earning 6.6% APR, compounded monthly, by compounding manua

miskamm [114]

The future value of an investment, P after n years at an APR of r% compounded t times a year is given by
$FV=P\left(1+ \frac{r}{t} \right)^{nt}$

Given an investment of $2300, after 7 months, earning 6.6% APR, compounded monthly, the future value is given by
$FV=2,300\left(1+ \frac{0.066}{12} \right)^{12\left( \frac{7}{12}\right) } \\ \\ =2,300(1+0.0055)^7=2,300(1.0055)^7 \\ \\ =2,300\times1.03914=\$2,390.02$

3 0

4 years ago

.Un recipiente cilíndrico de 5cm de radio y 10cm de altura se llena de agua. Si la masa del recipiente lleno es de 2kg, ¿cuál es

Lera25 [3.4K]

Answer:

La masa del recipiente vacío es 1,2146 kg.

Step-by-step explanation:

La densidad se define como la propiedad que tiene la materia, ya sean sólidos, líquidos o gases, para comprimirse en un espacio determinado. En otras palabras, la densidad es una magnitud que permite medir la cantidad de masa que hay en determinado volumen de una sustancia. Entonces, la expresión para el cálculo de la densidad es el cociente entre la masa de un cuerpo y el volumen que ocupa:

$densidad= \frac{masa}{volumen}$

Entonces la masa puede ser expresada como:

masa= densidad*volumen

En este caso:

densidad del agua= 1000 $\frac{kg}{m^{3} }$
volumen del recipiente cilíndrico= π*radio²*altura= π*(5 cm)²* 10 cm= π*(0,05 m)²*0,1 m= 7,854*10⁻⁴ m³

Reemplazando:

masa= 1000 $\frac{kg}{m^{3} }$ * 7,854*10⁻⁴ m³

masa=0.7854 kg

Si la masa del recipiente lleno es de 2 kg, entonces se le resta la masa de agua calculada:

2 kg - 0,7854 kg= 1,2146 kg

Entonces, la masa del recipiente vacío es 1,2146 kg.

8 0

3 years ago

select the inequality that represents the relationship desribed below the sum of three times a number and seven is greater than

solong [7]

Answer:

There are many combinations based on the number you chose to subtract from both sides.

Step-by-step explanation:

Let the number be x.

According to the question,

3 x+7 > 4 x

We get, 3 x+1=4 x-6, after subtracting 6 from both sides.

3 x+1=4 x-6

4 x- 3 x=6+1

x=7

You will get the same answer if you subtract 3 x or 7 or any other number from both sides.

Thank you!

7 0

3 years ago

Please help me i really need help please

vazorg [7]

Answer:

10°

Step-by-step explanation:

x + 25 = 3x + 5. [Vertically Opposite Angles]

=> 25 - 5 = 3x - x

=> 20 = 2x

$= > \frac{20}{2} = x$

=> 10 = x

=> x = 10°(Ans)

4 0

3 years ago

Read 2 more answers