CAN SOMONE HELP ME REAL QUICK AND EXPLAIN STEP BY STEP ( NO BIG WORDS PLS?) Lol but MY TEACHER ISNT HELPING AND EXPLAINING WELL

On the beach Broadwalk ,there are 20 different places to get food.Twenty percent of them are ice cream shops . How many ice crea

Sever21 [200]

Answer:

4

Step-by-step exp

You figure out what is 20 percent of 20 and that is 4.

3 0

3 years ago

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My sister needs help !!!!!!!

yuradex [85]

A coin has one of two outcomes: heads or tails.
Each has an equal probability of occurring, meaning that they each have a 50% chance to occur. (They need to add up to 100% because they include all the outcomes, divide that into two equal parts and...)

This is what we call theoretical probability. It's a guess as to how probability should work. Like in the experiment, it's not always going to be 50-50.

What actually happens is called experimental probability. This may vary slightly from theoretical probability because you can't predict probability with complete certainty, you can only say what is most likely to happen.

We want to find the probability of getting heads in our experiment so we can compare it to the theoretical outcome. To do this, we need to compare the number of heads to the total number of outcomes.

We have 63 heads, and a total of 150 coin flips.
That makes the probability of getting a heads 63/150.
The hard part is getting this ratio into a percent.

You can try simply dividing, but you should be able to notice something here.
SInce the top and the bottom of our fraction are both divisible by 3, we can simiplify.
63 ÷ 3 = 21
150 ÷ 3 = 50
So we could say that 63/150 = 21/50.

A percent is basically a fraction out of 100.
Just like you can divide the parts of a ratio by the same number and it will stay the same, you can also multiply. To get the fraction out of 100, let's multiply by 2.
(since 50 × 2 = 100)

21 × 2 = 42
50 × 2 = 100
21/50 = 42/100 = 42%

Comparing our experimental probability to the theoretical one...it is 8% lower.

7 0

3 years ago

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4. Tres albañiles trabajaron en una construcción. Francisco trabajó el doble de horas que Eduardo y Eduardo trabajó el cuádruple

MrRa [10]

Answer:

La cantidad de horas que trabajó Hugo son 8, mientras que Eduardo trabajó 32 horas y Francisco 64 horas.

Step-by-step explanation:

En primer lugar, para determinar la ecuación que debes resolver, es conveniente establecer la variable a la que debes encontrar una solución en la ecuación. Entonces, llamas x a la cantidad de horas que trabajó Hugo.

Luego, sabes que Eduardo trabajó el cuádruple de horas de las que trabajó Hugo, esto es, cuatro veces más de las horas trabajadas por Hugo. Esto se expresa matemáticamente como 4*x.

Finalmente, Francisco trabajó el doble de horas que Eduardo, que se calcula multiplicando a las horas trabajadas por Eduardo por 2: 2*4*x= 8*x

Entre los tres hermanos trabajaron 104 horas. Esto indica que la suma de las horas trabajadas por Francisco, Eduardo y Hugo debe ser 104 horas. Esto se expresa matemáticamente como:

x + 4*x+ 8*x= 104 (Planteamiento algebraico)

Resolviendo (Procedimiento):

13*x=104

$x=\frac{104}{13}$

x=8

Esto significa que la cantidad de horas que trabajó Hugo son 8.

Eduardo trabajó 4*x, esto es 4*8, que da como resultado 32 horas. Entonces Eduardo trabajó 32 horas.

Por último, Francisco trabajó 8*x. Siendo x=8, entonces 8*8=64. Entonces Francisco trabajó 64 horas.

7 0

3 years ago

What is the difference in the place value between the 2 in 324 and the 2 in 0.324?

irina1246 [14]

324
2 = Tens

0.324
0.02 = Hundredths

20 - 0.02 = 19.98

i am a mathematics teacher. if anything to ask please pm me

8 0

3 years ago

8x3+26x2+19x+3 is divided by 4x+3

ICE Princess25 [194]

Answer:

Remainder=35.25

Quotient = 2x²+8x+10.7

8 0

3 years ago