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3 years ago

What is the variable in the expression 9c-4

Mathematics

2 answers:

nexus9112 [7]3 years ago

6 0

Answer:

Variable is C

Step-by-step explanation:

____ [38]3 years ago

5 0

Answer:

The variable in the expression is 'c'.

Step-by-step explanation:

A variable is a letter that we use to represent a number that changes. "c" is the only letter in the expression, so its the variable.

We use variables when we do not know what the number should be, or when it's unknown.

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Jordan spent 22% of his time doing math homework. If hw spent 11 minutes on his math homework. How many minutes did he spend on

Angelina_Jolie [31]

Jordan spends 50 minutes on his homework.

Step-by-step explanation:

Given,

Time spent on Maths homework = 11 minutes

This represents the 22% time of his total homework.

Let,

x be the total time spent on homework.

22% of x = 11

$\frac{22}{100}*x=11\\0.22x=11$

Dividing both sides by 0.22

$\frac{0.22x}{0.22}=\frac{11}{0.22}\\x=50$

Jordan spends 50 minutes on his homework.

Keywords: percentage, division

Learn more about percentages at:

#LearnwithBrainly

8 0

3 years ago

Hurry please !!!!!!!

Ratling [72]

9514 1404 393

Answer:

| 573 |

Step-by-step explanation:

The product of a 1×2 matrix and a 2×1 matrix will be a 1×1 matrix. The value of the only term will be the dot-product of the row of the first matrix and the column of the second matrix.

P = | 17·27 +19·6 | = | 573 |

4 0

3 years ago

What is the value of x ÷ y - z if x = 32, y = 4, and z = 2.75?

katen-ka-za [31]

32/4-2.75=8-2.75=5.25

5 0

3 years ago

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What is the value of the expression |a + b| + |c| when a = –6, b = 2, and c = –11?

nika2105 [10]

|-6 + 2| + |-11|

|4| + |-11|

= 15

Hope i helped!

3 0

3 years ago

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Which of the following most be true in this diagram

MrMuchimi

Where’s the diagram?

7 0

3 years ago