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Delvig [45]
3 years ago
12

Simply 3mn^4+6mn^4 please help

Mathematics
2 answers:
AfilCa [17]3 years ago
7 0

Answer:

9mn^4

Step-by-step explanation:

Add the terms together :D

Vikki [24]3 years ago
7 0

Answer:

9mn^4

Step-by-step explanation:

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What is a number less than 130 that rounds to 130 when rounding to the nearest ten
lilavasa [31]

Answer:

129.99

Step-by-step explanation:

129.99 rounds to 130 because the 9 in the hundredths place causes the 9 in the tenths place to round up, making the number 130.0.

7 0
3 years ago
Read 2 more answers
Emma scored 4 points more than twice number of points teagan scored. Emma scored 3 points. How many did teagan score
Snowcat [4.5K]
Let's write T for Teagan's score and E for Emma's score.
Also, let's write an equation

E = 2T + 4
E = 3
2T + 4 = 3
subtract 4 from both sides
2T = -1
divide both sides by 2
T = -1/2

To see of this is correct:
2T + 4 = 3
2(-1/2) + 4 =?= 3
-1 + 4 =?= 3
3 = 3

Hope this helps


8 0
3 years ago
In a population, 11% of people are left handed. In a simple random sample of 160 people selected from this population, the propo
castortr0y [4]

Answer:

The claimed proportion (population) is

p=0.11

The sample proportion (p-hat) is

\hat{p}=0.10

Step-by-step explanation:

In the population, we have the parameter p that is 11%.

p=0.11

Then, a sample of n=160 is taken and the proportion of the sample is 0.10.

\hat{p}=0.10

The sample proportion p-hat can differ from the population's proportion. There is a sampling distribution that gives the possible values of the sample proportion taken out of this population and its associated probabilities.

7 0
3 years ago
I need help please 16x-20y=60<br> slope intercept form
nexus9112 [7]
The slope intercept form is y=(4/5)x-(6/2)
7 0
3 years ago
On Monday, Deborah ran 3 2− 5miles and on Tuesday she ran 4 1− 5miles. How many miles did she run on these two days together?
notsponge [240]

Mixed fraction:

3 2/5 = 17/5

4 4/5 = 24/5

Miles she ran:

17/5 + 24/5

= 41/5 miles or 8.2 miles

6 0
3 years ago
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