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miss Akunina [59]
3 years ago
13

What is the product of x+5 and x^2+3x-4 SHOW ALL WORK FOR BRAINLEIST (write you answer in standard form and use box method or di

stributive property)
Mathematics
1 answer:
ser-zykov [4K]3 years ago
4 0

Answer:

  x^3 +8x^2 +11x -20

Step-by-step explanation:

(x+5)  * (x^2+3x-4)

Multiply x * (x^2+3x-4)   = x^3 + 3x^2 -4x

Multiply 5 *  (x^2+3x-4)  =          5x^2+ 15x  -20

Add                                   -----------------------------------

                                             x^3 +8x^2 +11x -20

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1/5, 2/3, 5/8 from least to greatest on a number line
Svetllana [295]

1/5, then 5/8, then 2/3

8 0
4 years ago
A cashier checks the price of a dining room table that is marked $369, because it is usually rings up to, $410. What percentage
lara31 [8.8K]

Answer:

10% discount

Step-by-step explanation:

If you take 369 divided by 410 it gives you 0.9 which is equal to 90% which then leads us to realized that if 369 is 90% of 410 then the discount would have to be 10%

8 0
3 years ago
Read 2 more answers
The numbers x and y are inversely proportional. When the sum of x and y is 42, x is twice y. What is the value of y when x = -8?
dolphi86 [110]

Answer:

y= -4

Step-by-step explanation:

x+y=42.   We know that x plus y equals 42.

x=2y .   We also know that x equals twice y.

2y+y=42.   Since we know that x=2y, we're going to replace x with 2y from the original equation, simplified would be 3y=42.

y=14.   3y=42 simplified is y=14, this is because we divided both sides by 3 (since 3 and 42 are both divisible by 3) (btw divisible by 3 simply means that it can be divided by 3)

x+14=42.   Now that we know what y equals, let's replace y with 14 from the original equation.

x=28.  Now that we know that x=28 and y=14, we know that y is always x/2.

When x=-8, we divide it by 2 and get, -4.

Not absolutely positive as this was all mental math, but hope this helps! :)

4 0
4 years ago
Evan and Dorinda make bracelets for a craft fair. Evan makes 10 bracelets the first day and 8 bracelets each day after that. Dor
ale4655 [162]
First day = 10 +8
=18
second day = 8+8
=16
3rd=16
4th= 16
5th=16
6th=16

16+16+16+16+16+18
=80+18
=98
6 0
4 years ago
A spinner is separated into 3 equal pieces!
Scrat [10]
I think the answer will be C
7 0
4 years ago
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