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vovikov84 [41]
3 years ago
11

HELP PLZZZZZZZZZZZ I NEED ITTT OMG

Mathematics
2 answers:
Alika [10]3 years ago
8 0
<h3>Hey Mate Here Is Your Answer:-</h3>

3) \:  \:  \: 4(2y + z) - 3(3y + z) \\  \\  = 8y + 4z - 9y + 3z \\  \\  =  - y + 7z

4) \:  \:  \:  \: x(4x - 2) - 3x(x + 1) \\  \\  = 4x {}^{2}  - 2x - 3 {x}^{2}   - 3x \\  \\  =  {x}^{2}  - 5x

5) a> \:  \: 3(2 + c) \\  \\  = 6 + 3c

b> \:  \:  \: 2a(b - 4) \\  \\  = 2ab - 8a

c> \:  \:  \: ab(b + c) \\  \\  = ab {}^{2}  + abc

<h3>Hope This Helps You ❤️</h3>
MrMuchimi3 years ago
7 0

I hope this is help full to you

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3 years ago
Someone please help me with this algebra problem
nevsk [136]

Answer:

$110

Step-by-step explanation:

We are looking for the decrease in money per desk purchased. Because the x-axis is the number of desks purchased, what we have to find is the (opposite) of the slope. The formula to represent slope can be written as:

\frac{y_{2} -y_{1} }{x_{2}- x_{1} }

We can substitute the points given, (2, 480) and (5, 150) and simplify:

\frac{150-480}{5-2} =\frac{-330}{3} = -110

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4 0
3 years ago
Shandler rides his bike to school every day. He travels to thousand 560 feet in 64 second. How many feet did he travel per secon
zhenek [66]

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4 0
3 years ago
Maggie's favorite salad dressing is made with 0.04 liter of vinegar and 0.4 liter of olive oil.She compares the value of the 4 i
Ksenya-84 [330]

Answer:

3:the value of the 4 in 0.04 is the value of the 4 in 0.4 divided by 10.

Step-by-step explanation:

This is because in decimal places, we have what is called place value. In a decimal number after the decimal point, each number place is divided by an increasing power of 10. So, for example, if we have a decimal number 0.82, the place value of the 8 is 8/10 while that of the 2 is 2/10² = 2/100.

So, in the given numbers, 0.04 has a place value of 4/100 and 0.4 has a place value of 4/10. So, we can see that 4/100 = 4/10 ÷ 10 = 4/10 × 1/10.

So, the value of the 4 in 0.04 is the value of the 4 in 0.4 divided by 10.

7 0
2 years ago
If B is the midpoint of AC, and AC=8x-20. Find BC<br> AB=3x-1<br> Show all work
exis [7]
First we know that:
AB+BC=AC
now , since B is the midpoint of AC, this means that AB=BC
therefore,
AB+BC=AC can also be written as
AB+AB=AC
3x-1+3x-1=8x-20
6x-2=8x-20
-2+20=8x-6x
18=2x
x=9

therefore:
AB=3(9)-1=27-1=26
AC=8(9)-20=52
BC=AB=26
6 0
3 years ago
Read 2 more answers
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