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Serjik [45]
4 years ago
8

.   Multiply (x + 3)(x – 3).

Mathematics
1 answer:
konstantin123 [22]4 years ago
8 0
X × x = x^2
x × -3 = -3x
3 × x = 3x
3 × -3 = -9

x^2 + 3x - 3x - 9
So I would agree with C because the -3x and the 3x cancel each other out. I hope this helps!
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The speed of light is 186,282 miles per second write the place name and the value of each eight in this number
FrozenT [24]

Place name of eights are ten thousands place & tens place & 80000, 80 are the values respectively.

The expanded form of a number is splitting of numbers based on place value. The place are ones, tens, hundreds, thousands, ten thousand etc

that is, the number represented by the sum of each digit multiplied by its place value is called the expanded form of a number.

Example : Expanded form of 4567 is 4000+500+60+7. where 4 is in thousands place, 5 is in hundreds place, 6 is in tens place and 7 is in ones place.

Given that, The speed of light is 186,282 miles per second.

The number is 186282.

Expanding the number, we get,

186282 = 100000+80000+6000+200+80+2

Here in the number 186282, eight present in the ten thousands place and in the tens place.

Since one eight is in ten thousands place, so the value is 80000

And the another eight is in the tens place, so the value is 80.

Learn more about places of number here :

brainly.com/question/1713079

#SPJ10

6 0
2 years ago
A dairy wishes to mix together 1,000 pints of milk that contains 8% butterfat. if the mixture is to be made from milk containing
cricket20 [7]
We can write the question as a mathematical formula as follows:  
1000 * 0.08 = m * 0.05 + c * 0.2
 1000 = m + c  
where m are pints of milk and c are pints of cream 
 So solving the first equation with m = 1000 - c
 1000*0.08 = (1000-c)*0.05 + c*0.2
 80 = 50 - 0.05c + 0.2c
 80-50 = (0.2-0.05)*c
 30 = 0.15*c
 c = 30/0.15
 c = 200 
 m = 1000-200 = 800 
 So the dairy needs 800 pints of milk and 200 pints of cream
8 0
3 years ago
Read 2 more answers
Fill in the missing equation
Valentin [98]
Start with y=mx+b 

B is your y intercept 
m is your slope 

The points you have are (-1,4) and (1,-2) 
To find the slow you Do Y2-Y1/X2-X1 
(-2-4)/ (-1-1)
-6/-2 
your m is 3 

Now you go back to the equation of a Line y=mx+b 
to find b (your y intercept) take on of the two points, and substitute it's y value in the equation Let's take (1,-2) 

Y=mx+b
-2=3(1)+b 
-2=3+b 
b=-5 

you now know that 
b=-5
m=3x 

The equation is 
y=3x-5
7 0
3 years ago
Fill in the blanks using each of the numbers 0–7 exactly once, so that the percent, decimal, and fraction below are ordered from
Scrat [10]

Answer:

I don't know

Step-by-step explanation:

Theres not enough information in the question

6 0
3 years ago
Help please it's due tomorrow​
Lisa [10]

Answer:

the answer is a

Step-by-step explanation:

4 0
3 years ago
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