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nydimaria [60]
3 years ago
8

Perform the operation and reduce the answer fully. 3/4 + 1/10

Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0

Answer:

17/20

Step-by-step explanation:

Alenkasestr [34]3 years ago
4 0
The answer is 17/20
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7 a) The table shows the masses of the planets in our solar system.
babunello [35]
Answer:

1. Neptune (lightest)
2. Jupiter
3. Mercury
4. Venus
5. Saturn
6. Earth
7. Mars
8. Uranus (heaviest)

Explanation:

Neptune: 1.02 x 1026 = 1046.52 kg
Jupiter: 1.90 x 1027 = 1951 . 3 kg
Mercury: 3.30 x 1023 = 3375.9 kg
Venus: 4.87 x 1024 = 4986.88 kg
Saturn: 5.68 x 1026 = 5827.68 kg
Earth: 5.97 x 1024 = 6113.28 kg
Mars: 6.42 x 1023 =6567.66 kg
Uranus: 8.68 x 1025 = 8897 kg

hope this was what you were looking for :)

5 0
2 years ago
Find the value of x such that the data set has the given mean. 102, 119, 107, 115, 110, x; mean 117
Rufina [12.5K]

Answer:

702

Step-by-step explanation:

the answer is 702. you add all if the numbers and divide them by hiw many there are which

5 0
3 years ago
9. What is the likelihood that a randomly selected couple's relationship survived between 90 and 150 days
andrew-mc [135]

Answer:

0.5818

Step-by-step explanation:

Suppose the average teenage romantic relationship is normally distributed with a mean number of 100 days with a standard deviation of 30 days.

Answer:

The z score is used to determine how many standard deviations that the raw score is above or below the mean. If the z score is positive then the raw score is above the mean and if it is negative then it is below the mean. It is given by:

z=\frac{x-\mu}{\sigma}\\ \\where\ \mu=mean,\sigma=standard\ deviation, x=raw\ score

Given that:

\mu=100\ days,\sigma=30\ days\\\\For\ x=90\\\\z=\frac{90-100}{30} =-0.33\\\\For\ x=150\\\\z=\frac{150-100}{30} =1.67

Therefore, from the normal distribution table, P(90 < x < 150) = P(-0.33 < z < 1.67) = P(z < 1.67) - P(z < -0.33) = 0.9525 - 0.3707 = 0.5818

7 0
3 years ago
864,414 how many times greater is the value represented by the 4 in the thousands place than the value in the hundreds place?
solong [7]

Since there are 10 hundreds in every thousand, a 4 in the thousands place will represent a value 10 times greater than a 4 in the hundreds place.

6 0
3 years ago
You worked theses hours this week: 1 1/2 , 2 3/4, 3 3/4, 5 1/2
alukav5142 [94]

Answer: 13.5 hours.

I got the answer by simply adding up the integers to start with.

Integers = 1, 2, 3 and 5.

The integers added up equal to 11.

Next we add up the remaining fractions.

Fractions = 1/2, 3/4, 3/4 and 1/2.

We can add up 1/2 and 1/2 to equal 1, and 3/4 and 3/4 to make 1.5.

1 + 1.5 = 2.5          

Finally, we add up the answer for the integers and the fractions together, (11 + 2.5) which equals 13.5.

Our answer is 13.5 hours.      

(Not sure why the answer isn't in the choices)                          

6 0
3 years ago
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