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miskamm [114]
3 years ago
8

Plz help fast jdkdicong f​

Mathematics
1 answer:
sweet [91]3 years ago
7 0

-2\frac{1}{2}-(-1\frac{3}{4})=-\frac{5}{2}+\frac{7}{4}=-\frac{10}{4}+\frac{7}{4}=-\frac{3}{4}

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Help with a problem again please
Talja [164]

Answer:

9x³ + 27x²

Step-by-step explanation:

What the question is asking is to multiply f(x) and g(x) together:

Step 1: Write out expression

(fg)(x) = 3x²(3x + 9)

Step 2: Distribute

(fg)(x) = 9x³ + 27x²

4 0
3 years ago
Read 2 more answers
7/8 of a rectangle is colored red. Damien cuts this red part into a number of pieces so that each piece is 1/24 of the whole rec
Viktor [21]

Answer: 21

Step-by-step explanation: All he did was took the amount of red and gave it a ratio of 7:1 meaning that he will increase the amount of red and make it 21 because the number 8 increased by 3 so 7 must increase by 3 as well.

6 0
2 years ago
How do you find the slope for 6x=8y+10
Jlenok [28]
<span>6x=8y+10

Well you must first get your equation set up into the form called "Slope intercept." 
</span>6x=8y+10
Add 8y on both of your sides because your y is suppose to be alone.
8y + 6x = 10
Subtract 6x on both sides since it is in fact the opposite of addition.
8y = 6x + 10
Now, you will divide by 8 on both sides. When doing this your y will be alone.
y= 6/8x + 10/8
Note: You can leave it like this but you want to probably simplify.
y = 3/4x + 5/2
       or
y = 3/4x + 2 1/5

THERE YA GO BUDDY! :D

-Gives you a thumbs up-



4 0
2 years ago
Read 2 more answers
Suppose the 100 people in society X all know the same 10 facts, while the 10 people in society Z specialize, with each person kn
Ivan

Answer:

29 times

Step-by-step explanation:

Given :

Society X ;

Population = 100

Number of facts known = 10

Average fact known per person = known fact / population = 10 / 100 = 0.1

Society X:

Population = 19

Common fact known by 9 = 5

Specialized fact, known by 10 = 5 * 10 = 50

Total facts = common + specialized = 55

Average fact known per person = 55 / 19 = 2.8947368 fact per person

Number of times society Z is better :

2.8947368 / 0.1 = 28.947 times

Approximately 29 times

5 0
3 years ago
The equation-4 - x = -13 has the solution
liq [111]

Answer:

x = 9

Step-by-step explanation:

Step 1: Write equation

-4 - x = -13

Step 2: Solve for <em>x</em>

<u>Add 4 to both sides:</u> -x = -9

<u>Divide both sides by -1:</u> x = 9

Step 3: Check

<em>Plug in x to verify if it's a solution.</em>

-4 - 9 = -13

-13 = -13

8 0
2 years ago
Read 2 more answers
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