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Likurg_2 [28]
3 years ago
6

Greg is 10 years older than his brother gabe. He is also 3 times as old as gabe. How old is Greg?

Mathematics
1 answer:
Mashcka [7]3 years ago
5 0

Answer: 30 i think 10x3=30

Step-by-step explanation:

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Please don’t judge me please if I don’t know
vladimir2022 [97]

Answer:

its ok

Step-by-step explanation:

there is this app called photo math where you take a picture of the problem and its answers you but the answer is -4g

8 0
3 years ago
How many solutions are there to the system of equations? StartLayout enlarged left-brace 1st row 4 x minus 5 y = 5 2nd row negat
kkurt [141]

Answer:

Only one solution  x=\frac{5}{4},y=0

Step-by-step explanation:

4x-5y=5..............(1)\\0.08x+0.10y=0.10...........(2)

Multiply equation (2) by 50

4x-5y=5........(3)

Now from equation (1)+ equation(3)

8x=10\\x=\frac{10}{8}\\x=\frac{5}{4}

Put the value in equation (1)

5-5y=5\\5y=0\\y=0

hence only one solution exists\left(\frac{5}{4},0\right).

3 0
3 years ago
Read 2 more answers
The sale amount is $98.75. What is 5% sales tax? What is 8% sales tax? and what is 6.5% sales tax?
amid [387]
To find the % sales tax, you simply need to find that percentage of the price.
5% of $98.75 is $4.94
98.75x0.05=4.94
8% of $98.75 is $7.90
98.75x0.08=7.90
6.5% of $98.75 is $6.42
98.75x0.065=6.42
Therefore, of the sale amount $98.75,
5% sales tax is $4.94
8% sales tax is $7.90
6.5% sales tax is $6.42
If you want to find the total price, add the sales tax to the sale price.
8 0
3 years ago
Read 2 more answers
Solve.<br> 3x = 9x^2– 10
asambeis [7]

Answer:

im pretty sure it's D

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Explain what each of the following correlations means:
Aleksandr [31]

Answer:

a. The number of crude oil imports from Norway and the number of drivers killed in a collision with a train, have a very strong positive relationship. This means that an increase in the number of crude oil imports from Norway will strongly influence and lead to an increase in the number of drivers killed in a collision with a train and vice versa.

b. There is a moderately strong negative relationship between how much precipitation Texas gets and how much revenue online retailers bring in on Thanksgiving. An increase in how much precipitation Texas gets will moderately influence and lead to a decrease in how much revenue online retailers bring in on Thanksgiving and vice versa.

c. The amount of coffee consumed by the average American and how many iPhones were sold have a very strong negative relationship. An increase in one will strongly lead to a decrease in the other.

d. There is an extremely strong (near perfect) positive relationship between the divorce rate in Maine and the per capita consumption of margarine.

e. There is no relationship between how many males in Wisconsin died due to slipping or tripping and how many farms there are in the US. They are completely independent of one another.

Step-by-step explanation:

Correlation measures the degree of association between 2 variables.  

The Correlation coefficient (r) can assume values that lie between -1 and +1

If r is between 0.1 to 0.5 or -0.1 and -0.5, then the 2 variables in the relationship are said to be weakly related.

If the value of r is between 0.9 and 1 or -0.9 and -1, then the  variables are said to be strongly related.

r = 0 means that there is no correlation between the variables and r = ±1 means a perfect positive of perfect negative relationship between the variables.

6 0
3 years ago
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