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skad [1K]
2 years ago
13

Simplify: 5a + 1r + 2a + 4r

Mathematics
1 answer:
Marina CMI [18]2 years ago
4 0

Answer:

7a+5r

Step-by-step explanation:

5a + 1r + 2a + 4r

add like terms

7a+5r

hope that helps

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How many solutions can be found for the equation 4z 2(z − 4) = 3z 11? none one two infinitely many
Rus_ich [418]

There is only one solution for the equation 4z + 2(z -4) = 3z + 11 because the exponent for the power of z is 1.

<h3>What is an equation?</h3>

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

<h3>What is the Solution?</h3>

A solution is any value of a variable that makes the specified equation true.

According to the given information:

4z + 2(z-4)= 3z+11

Solve the equation,

4z+2z-8=3z+11

6z-3z=11+8

3z =19

z=

Hence,

Number of solution that can be found for the equation 4z + 2(z-4)= 3z+11 is option(2) one

To know more about Equations and Solutions visit:

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8 0
2 years ago
Help if you can !! thank you :)
Vsevolod [243]

Answer:

NVM MY BAD

x=19

quadrilateral have the internal degree sum of 360

not 365

4 0
2 years ago
Read 2 more answers
A solution of salt and water is 20% salt. If 25% of the water is removed, what is the percentage of salt in the new solution?
Ratling [72]
So lets say that this salt and water solution consists of 100 liters.

Then that means 20 liters is salt, and 80 liters out of the 100 is water.



Now, we remove 25% of the water. 25% of 80 liters is 20 liters. So, we are left with 80-20, or 60 liters.



Now in all we have 20 liters of salt, and 60 liters of water.

The percentage of salt in the new mixture will be 20/(20+60) = 20/80 = 25%.



Your answer is 25%
4 0
3 years ago
A jar contains 3/10 blue 2/10 white and 19/100 red marbles the rest are yellow what fraction represents the number of yellow?
andrew-mc [135]
31/100 represents the yellow marbles because 3/10 = 30/100, 2/10 = 20/100, and 19/100.It all adds up to 69/100 marbles.
5 0
2 years ago
The scale model of a building is 5.4 feet tall. If the model is made out of tiny bricks each measuring 0.4 inches in height, how
Stolb23 [73]
5.4 / 0.4 = 14 (13.5)
7 0
2 years ago
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