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Andreyy89
3 years ago
8

Despeja a. a-15=4a-3

Mathematics
1 answer:
Aleksandr [31]3 years ago
4 0

Answer: a = -4

Step-by-step explanation:

To solve a-15=4a-3

Combine like terms:

a - 4a = -3 + 15

-3a= 12

Divide both sides by -3 to find the value of a

Thus: a = 12/-3

a = -4

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Solve. 164+56-[3+4+1]=
alukav5142 [94]
<span>164+56-[3+4+1]=

= 164 + 56 - 8

= 212

Have a nice days...........
</span>
3 0
3 years ago
A dependent system of equations is a system with
Tatiana [17]

Answer: A dependent system of equations

Step-by-step explanation: A dependent system of equations is when the same line is written in two different forms so that there are infinite solutions. These two situations occur when trying to solve for a system of equations. ... First a system of equations is called Inconsistent if there is no solution because the lines are parallel.

7 0
3 years ago
Find x please help me
sweet [91]

Answer:

c

Step-by-step explanation:

Using the Altitude- on- Hypotenuse theorem

( leg of the large Δ )² = ( part of hypotenuse below it ) × ( whole hypotenuse )

x² = 3 × ( 3 + 8) = 3 × 11 = 33 ( take the square root of both sides )

x = \sqrt{33} → c

5 0
4 years ago
.760 rounded to the nearest tenth
maw [93]

Answer:

.8 Is your answer when rounding to the nearest tenth.

4 0
3 years ago
There are 46 children going to a party. 18 will wear black costumes, 12 will wear orange costumes and some will wear both black
Juliette [100K]

The number of children who wore both orange and black will be 8.

<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

There are 46 children going to a party. 18 will wear black costumes, 12 will wear orange costumes and some will wear both black and orange.

Then the number of children who wear costumes and black & orange. Then we have

⇒ 46 - 18 - 12

⇒ 46 - 30

⇒ 16

Half of the guests will go in costumes that are neither black nor orange. Then we have

⇒ 16 / 2

⇒ 8

Then the number of the children who orange and black will be  

⇒ 16 - 8

⇒ 8

The number of children who wore both orange and black will be 8.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ2

3 0
2 years ago
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