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lapo4ka [179]
3 years ago
6

Verify the following: 3 −21 × −4 + −6 = −21 × −4 + (−21) × (−6)​

Mathematics
2 answers:
Solnce55 [7]3 years ago
6 0

Answer:

Incorrect

Step-by-step explanation:

Use PEMDAS

Solve one side of the equation first

-21 × -4 + - 6

negative × negative = positive

84 + - 6

positive + negative = negative

84 - 6

78

Now solve the other side of the equation

-21 × -4 + (-21) × (-6)

negative × negative = positive

-21 × -4 + (126)

negative × negative = positive

84 + 126

210

Does 78 = 210?

No, so we can assume this equation is incorrect

lapo4ka [179]3 years ago
5 0

Answer:

the answer is -14 how about

study math next time

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Here xchx solve this mate :)Thanks. 12 points smh
NikAS [45]

Answer:

1. y = (-4^3)^2

2. y= 2^4/ 6^2

4 0
3 years ago
A large jar contains 1230 coins. The result of 50 coins pulled at random from the jar is given below. • 18 nickels • 12 dimes •
Ugo [173]

Answer:

The expected value of quarters is $47.20

Step-by-step explanation:

18+12+20=50

1230-50=1180

1180÷25=47.2

5 0
3 years ago
What is the indicated operation of <br> 10 3/7 + 19 5/9
seraphim [82]
That's addition of mixed numbers.  Convert 3/7 and 5/9 to fractions with the denominator (7)(9) = 63 (this is the LCD):

10 27/63 + 19 35/63

This comes out to 29 62/63.
4 0
3 years ago
Solve the following inequality algebraically<br> |x + 10|| &lt;1
stiv31 [10]

The solution of the given inequality is x<-9.

<h3>What is inequality?</h3>

Inequality is the relationship between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

The given inequality is |x + 10|| <1. The inequality will  be solved as below:-

|x + 10|| <1

Take 10 to the right side of the inequality and solve it further.

|x || <1 - 10

x < -9

Therefore, the solution of the given inequality is x<-9.

To know more about inequality follow

brainly.com/question/24372553

#SPJ1

5 0
1 year ago
Which best describes the incenter of a triangle?
sineoko [7]

Answer:

The statement that best describes the incenter of a triangle is that, it is the point where the three angle bisectors of the triangle intersect. In geometry, an incenter of a triangle is described as the triangle center.

Step-by-step explanation:

follow me

6 0
3 years ago
Read 2 more answers
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