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3 years ago

Forma todos los números posibles de tres cifras distintas

1 answer:

4 0

La respuesta correcta es
579
597
759
795
957
975
555
557
575
559
595
777
775
757
779
797
999
995
959
997
979
577
599
755
799
955
977

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4^2 + 8 *2 the * stands for divide Answer choices A 12 B20 C8 D 16

irina1246 [14]

The answer would be B.20

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3 years ago

Read 2 more answers

By what percent change if the numerator is decreased by 10% and the denominator is decreased by 70%

hjlf

Answer:

It increases x3.

Step-by-step explanation:

Let's say the fraction to begin with was 100/100. Ignore the fact that it isn't fully reduced and it is an improper fraction.

10% of 100 is 10, so the numerator is now 90 (decrease=get smaller; 100-10=90).

70% of 100 is 70, so the denominator is now 30 (decrease=get smaller; 100-70=30).

Our fraction is now 90/30 which, when fully reduced, equals 3.00. Since 100/100 equals 1.00, it has increased by 2.00 (3x bigger).

6 0

3 years ago

3. Find the first five positive values (correct to three decimal places) of the inverse circular

azamat

its 12.0

Step-by-step explanation:

6 0

3 years ago

CHECK ALL ANSWERS THAT APPLY*

Musya8 [376]

Answer:

We get t= 7.22 and t=0.28

The correct options are Option A and Option G

Step-by-step explanation:

The height h of toy rocket at time t seconds after launch is given by the equation $h(t) = -16t^2 + 120t + 8$

We need to find how many seconds until the rocket is 40 feet?

We are given height of rocket h(t) = 40 feet

and we need to find time t

Using the equation $h(t) = -16t^2 + 120t + 8$ we can find time t

We have h(t)=40

$h(t) = -16t^2 + 120t + 8\\Put\:h(t)=40\\40= -16t^2 + 120t + 8\\16t^2-120t-8+40=0\\16t^2-120t+32=0$

Now, we will solve the quadratic equation using quadratic formula: $t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

We have a =16, b=-120 and c=32

Putting values and finding t

$t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\t=\frac{-(-120)\pm\sqrt{(-120)^2-4(16)(32)}}{2(16)}\\t=\frac{120\pm\sqrt{14400-2048}}{32}\\t=\frac{120\pm\sqrt{12352}}{32}\\t=\frac{120\pm111.12}{32}\\t=\frac{120+111.12}{32}, t=\frac{120-111.12}{32}\\t=7.22\:,\:t=0.28$

So, we get t= 7.22 and t=0.28

The correct options are Option A and Option G

4 0

3 years ago

Describe strategies for finding factors or multiples of a number

Darina [25.2K]

Say if you wanted to find factors of 6, the you'd multiply that number by any number to find a factor or multiple.

3 0

3 years ago

Forma todos los números posibles de tres cifras distintas​

Forma todos los números posibles de tres cifras distintas