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Illusion [34]
2 years ago
7

How do you get -11.9 from -6.7+(-5.2)and explain in words how

Mathematics
2 answers:
topjm [15]2 years ago
6 0

Answer:

You get -11.9 from -6.7+(-5.2) because you are adding 2 negative numbers. Just forget the negative signs are there when your adding negatives. 6.7 + 5.2 = 11.9 and then just add the negative in front and that's how you get your answer -11.9

Hope this helped!

ioda2 years ago
4 0

If you just type that exact equation into a calculator it gives you the same answer as well

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(8x+5)+(4x-3) what is that equal to
Anna [14]

Answer:

12x + 2

Step-by-step explanation:

To find what the expression equals, you can collect like terms. This means to do the operations (add or subtract) the numbers that have the same variables.

(8x + 5) + (4x - 3)        Remove brackets to add a binomial (2-term brackets)

= 8x + 5 + 4x - 3        Collect like terms

= 8x + 4x + 5 - 3        I rearranged so you can see which terms are alike

= 12x + 5 - 3        Collected like terms with "x" (8x + 4x = 12x)

= 12x + 2        Collected like terms with no variables (5 - 3 = 2)

Therefore (8x + 5) + (4x - 3) is equal to 12x + 2.

If you want, you can also find another equal expression by factoring. Since "12x" and "2" are both divisible by the factor 2, you can <em>take it out</em> and put the other numbers in a bracket.

12x + 2

= 2(12x/2 + 2/2)

= 2(6x + 1)        This is equal, but in factored form.

6 0
3 years ago
Read 2 more answers
On a piece of paper, graph y+2&gt;-3x-3.
oksian1 [2.3K]

Answer:

just go on desmos graphing calculator and type it in

Step-by-step explanation:

4 0
3 years ago
A ladder is resting against a wall. The ladder and the ground make an angle of 42.5° and the ladder is 10 feet long. How far awa
MA_775_DIABLO [31]
Cosα=x/L

x=Lcosα, we are told the ladder is 10ft and α=42.5 so

x=10cos42.5° ft

x≈7.37 ft (to nearest hundredth of a foot)

3 0
3 years ago
3. What is the degree of the polynomial 3x^4 + 2x^2 + 5x? *
myrzilka [38]

Answer:

the degree of that polynomial is 4

4 0
3 years ago
Help with this question, please
Leya [2.2K]

Answer:

12.57 inches

Step-by-step explanation:

the formula is l = x/360 (2 pi r) so you solve from there

8 0
2 years ago
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