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gregori [183]
3 years ago
15

Remember that to multiply means: add any given number or quantity to itself a certain number of times. Look at the expression 3

+ 3 + 3 + 3. How would you write this as a multiplication problem? How would you write the expression (-3) + (-3) + (-3) + (-3) as a multiplication problem?
Mathematics
1 answer:
brilliants [131]3 years ago
3 0

(3+3+3+3=12) (3x4=12)

(-3) +(-3)+ (-3)+ (-3)= (-12) (-3x4=-12)

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If f(x) = –5x – 4 and g(x) = –3x – 2, find (f – g)(x).
Murljashka [212]
Hello!

We'll start by simplifying the required formula. (f – g)(x) can be rewritten as the following:

f(x) – g(x)

Now insert any known values into the simplified formula above:

(-5x – 4) – (-3x – 2)

Eliminate the parentheses by simplifying:

-5x – 4 + 3x + 2

Combine like terms:

-2x – 2

We have now proven that (f – g)(x) is equal to (-2x – 2).

The correct answer is C.

I hope this helps!
7 0
3 years ago
Read 2 more answers
The width of a rectangle is 6n - 2.5 feet and the length is 2.5 + 8 feet. Find the perimeter of the rectangle.
ludmilkaskok [199]

I was thinking the measurement for ;length should be 2.5n + 8 feet since width is 6n -2.5 feet , but you gave 2.5+ 8 feet, so i will solve it in both ways

Answer:  Perimeter =  5 + 12n + 11 feet ; Perimeter =  17n+ 11 feet

Step-by-step explanation:

Using Length = 2.5+ 8 feet,

Perimeter of  a rectangle is calculated as 2( l+ b)

Given that width=6n - 2.5 feet

length =2.5 + 8 feet

Perimeter =2( l+ b)= 2L + 2B

Perimeter= 2(2.5 + 8feet ) + 2( 6n - 2.5 feet)

Perimeter = 5 + 16feet + 12n - 5feet

Perimeter =  5 + 12n + 11 feet

Using Length = 2.5n+ 8 feet,

Perimeter of  a rectangle is calculated as 2( l+ b)

Given that width=6n - 2.5 feet

length =2.5n+ 8 feet

Perimeter =2( l+ b)= 2L + 2B

Perimeter= 2(2.5n + 8feet ) + 2( 6n - 2.5 feet)

Perimeter = 5n + 16feet + 12n - 5feet

Perimeter =  5n + 12n + 11 feet

Perimeter =  17n+ 11 feet

6 0
2 years ago
3x + 6 =<br><br> plss help me with this
Y_Kistochka [10]

Answer:

3× + 6

3+6=9

9×3=3

Finish

5 0
3 years ago
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Which symbol correctly compares the two angle measures?
Vlad [161]
I think the answer is b
7 0
3 years ago
The larger of two numbers is 7 times the smaller number. Three times the larger number is 7 more than 4 times the smaller number
V125BC [204]
X>Y
X=7Y
3X=7+4Y
X=?
Y=?
----------------------------
3*7=7+4Y
21Y=7+4Y
21Y-4Y=7
17Y=7
Y=7/17
----------------------
X=7*7/17
X=49/17
6 0
3 years ago
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