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4 years ago

Trent has completed 3/20 of his homework right this amount as a decimal

Mathematics

2 answers:

RSB [31]4 years ago

4 0

0.15 is the percentage

antoniya [11.8K]4 years ago

3 0

Hey there, the answer is ..................... 0.15!!!

HOPE I HELPED!!!

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There are 12 students in a classroom, including the triplets Joey, Chloe, and Zoe. If 3 of the 12 are randomly selected to give

lesya692 [45]

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.

The size of the sample space is the total number of possible outcomes

The event space is the number of outcomes in the event you are interested in.

P=size of the event space/size of the sample space

step 1

find the probability that Joey will be first

size of the sample size=12

size of the event space=1

P=1/12

step 2

find the probability that Chloe will be second

size of the sample size=12-1=11

size of the event space=1

P=1/11

step 3

find the probability that Zoe will be third

size of the sample size=11-1=10

size of the event space=1

P=1/10

step 4

Find the probability that Joey will be first, Chloe will be second, and Zoe will be third

P=(1/12)*(1/11)*(1/10)-----> P=1/1320-----> 0.00075------> 0.076%

the answer is

the probability that Joey will be first, Chloe will be second, and Zoe will be third is 0.00075 (0.076%)

4 0

4 years ago

Sara and Sam are each working on a science project in which they need to research the individual masses of the nine planets (inc

makkiz [27]

Answer:

2000 times

Step-by-step explanation:

Given

Sara:

$Mercury = 3.302 * 10^{23$

$Saturn = 5.685 * 10^{26$

Sam:

$Mercury = 3.302 * 10^{29$

$Saturn = 5.685 * 10^{32$

To determine the number of times, the mass of Saturn is greater than the mass of Mercury, we simply do the following:

$Times = \frac{Saturn}{Mercury}$

Using Sara's measurement; this gives:

$Times = \frac{5.685 * 10^{26}}{3.302 * 10^{23}}$

Apply law of indices

$Times = \frac{5.685 * 10^{26-23}}{3.302}$

$Times = \frac{5.685 * 10^3}{3.302}$

$Times = 5.685/3.302 * 10^3$

$Times = 1.72 * 10^3$

Approximate

$Times = 2 * 10^3$

$Times = 2000$

5 0

3 years ago

The sum of two numbers is 62. The smaller number is 8 less than the larger number. What are the numbers?

Marrrta [24]

Answer:

35 and 27

Step-by-step explanation:

62 - 8 = 54

54 ÷ 2 = 27

27 + 8 = 35

3 0

3 years ago

The probability Bob guesses the winner of a certain baseball game is 4/5. The probability Joe independently guesses the winner o

Aleksandr [31]

SANA ALL SMART HAHAHAHHAAHHAHAAHA

6 0

3 years ago

Ashley solved the equation for m using the following steps. -4.5 + m = 17 -4.5 -4.5 m = 12.5 What was Ashley’s error?

abruzzese [7]

Ashley's error is that she multiplied m by - 4.5, when she should be adding.

$- 4.5 + m = 17 - 4.5 \\ - 4.5 + m = 12.5 \\ m = 17$

Hope this helps. - M

7 0

3 years ago

Read 2 more answers