MATHEMATICS HIGH SCHOOL

What is the value of 16.8+(-22 4/5)-10A -29.6

B-16

C 16

D 29.6

Answers

Answer 1
Answer: The answer to what is the value of 16.8+(-22 4/5)-10 would be -16

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Find the value of 45 - 0.023

Answers

The value of the expression 45 - 0.023 is 44.97

What are expressions?

An expression is a sentence with at least two numbers or variables having mathematical operation. Math operations can be multiplication, addition, subtraction,  division.

For example, 2x+ 4

Given that,

The expression  

⇒ 45 - 0.023

Now subtracting number 0.023 from the number 45

the number 45 is a integer

the number 0.023 is a decimal number

⇒  44.97

Hence, the value of expression is 44.97

To know more about Expressions check:

brainly.com/question/16804733

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this is correct 45.000 
- 00.023 
_________ 
44.977

Factor 20x2 + 25x - 12x - 15 by grouping.

Answers

Answer:

(4x + 5)(5x - 3).

step-by-step explanation:

20x^2 + 25x - 12x - 15 by grouping:

Start with the expression:

20x^2 + 25x - 12x - 15.

Group the terms in pairs, like this:

(20x^2 + 25x) - (12x + 15).

Now, look for the greatest common factor (GCF) in each group:

In the first group
(20x^2 + 25x), the GCF is 5x because both terms are divisible by 5x.

So, factor out 5x: 5x(4x + 5).

In the second group (12x + 15), the GCF is 3 because both terms are divisible by 3.

So, factor out 3: 3(4x + 5).

Now, your expression looks like this:

5x(4x + 5) - 3(4x + 5).

Notice that both groups have the common factor (4x + 5).

Factor this out: (4x + 5)(5x - 3).

So, the factored form of 20x^2 + 25x - 12x - 15 is (4x + 5)(5x - 3)

Which property of addition is shown in the equation below?
a+bi+0+0i = a+bi

Answers

This is the identity property.  It means that any number added by zero would be the same number.  In the second expression the zeroes were taken away.

Select the correct solution set.-7x ≥ 56

{x | x ≤ -8}
{x | x ≥ -8}
{x | x ≥ 8}

Answers

-7x ≥ 56.

Divide both sides by -7, and the inequality sign reverses, because we are dividing by a negative number.

The sign also reverses when you multiply both sides of inequality by a negative number.

-7x/-7   ≤   56/-7

x  ≤ -8

The answer is the first option.

{x | x ≤ -8}

This simply means x, such that x is less than or equal to -8.

I hope this helped.

Apples are on sale for $1.20 a pound. Logan bought 3/4 of a pound. How much money did he spend on apples

Answers

What I did was turn ¾ in to a fraction (which is 75%) then turned it into a decimal (.75)
then I multiplied .75 by 1.20 and .9
So she spent 90 cents on apples
Hope I helped :)
(3)/(4) * 1.20 = (3.6)/(4) = \huge{\boxed{0.9}}

He spend 90 cents on apples.

Find the LCM of the following by listing their multiples 5 ,10 ,15​

Answers