3 years ago

What are some facts about expressions

1 answer:

7 0

Answer:

An expression is a sentence with a minimum of two numbers and at least one math operation. This math operation can be addition, subtraction, multiplication, and division.

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darrylh3333

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What is the value of (-14^0)^-2?

posledela

Answer:

The value of given expression is 1.

Step-by-step explanation:

The given expression is

$(-14^0)^{-2}$

If a is a real number, then $a^0=1$ .

$(-1)^{-2}$ $[\because a^0=1]$

Using exponent property we get,

$(-1)^{-2}=\frac{1}{(-1)^2}$ $[\because a^{-n}=\frac{1}{a^n}]$

$(-1)^{-2}=\frac{1}{1}$

$(-1)^{-2}=1$

Therefore the value of given expression is 1.

6 0

3 years ago

2x +4- 3 (x + 5) = -2x + 4<br> x=-26<br> X=15<br> X=-5<br> x=-15

____ [38]

2x+4 -3x -15=-2x+4

-1x-11=-2x+4

-11=-1x +4

-15=-1x

15=c

6 0

3 years ago

Can someone please help me with this?

podryga [215]

9514 1404 393

Answer:

x = 3

Step-by-step explanation:

Tangents to a circle from the same point are the same length.

43 -2x = 12x +1

42 = 14x . . . . . . . add 2x-1

3 = x . . . . . . . divide by 14

4 0

3 years ago

What is the value of 24/25 divided by 4/5

Dimas [21]

Answer:

1.2

Hope it helps :)

3 0

2 years ago

Read 2 more answers

fourteen cups of tomato sauce makes 30 servings of spaghetti. How many cups are needed for 45 servings?

Arte-miy333 [17]

Answer:

28 cups

Step-by-step explanation:

7 0

2 years ago