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photoshop1234 [79]
3 years ago
5

Simplify: 9(9+-4y)-16y

Mathematics
2 answers:
Maksim231197 [3]3 years ago
6 0

the simplified expression would be 81-52y

aleksley [76]3 years ago
6 0
Do you’re distributing first and then combine like terms and your answer is 81-52y

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512=-4(-2)^n-1 find n in geometric sequence
pshichka [43]

Answer:

n = 8

Step-by-step explanation:

512/-4 = -128

-2^? equals -128? Has to be odd since it's negative

-2^1 = -2

-2^3 = -8

-2^5 = -32

<u>-2^7 = -128</u>

But it's -2^n-1 = -128 so you have to add 1

7+1 = 8

So n=8

3 0
2 years ago
Read 2 more answers
LCM of two numbers is 1320 their HCF is 12 if one of the numbers is 132 find the other
guapka [62]

Answer:

<u>brainliest plzzzzzzzz</u>

120

Step-by-step explanation:

LCM=1320

(GDC) HCF=12

Another no.=132

let second no. be =A

According to question

First no.×Second no.=HCF×LCM

132×A=12×1320

132×A=15840

A=15840/132

A=120

Other no. is 120

5 0
3 years ago
A blueprint of a barn is shown.The scale is 5 inches =8 feet. Find the actual length of the wall that is labeled 20 inches.
kenny6666 [7]
5=8
20/5=4
8x4=32
The answer is 32 feet
4 0
2 years ago
Solve the system of equations:
Simora [160]

Answer:

x1=6 , x2=1

Step-by-step explanation:

If you have any questions about the way I solved it,don't hesitate to ask

8 0
3 years ago
8x + y = 9 <br> Convert the following equations to standard form
Citrus2011 [14]

Answer:

x=1/8y+9/8    

y=<u>y=−8x+9</u>

Step-by-step explanation:

<u>Let's solve for y.</u>

<u>8x+y=9</u>

<u>Step 1: Add -8x to both sides.</u>

<u>8x+y+−8x=9+−8x</u>

<u>y=−8x+9</u>

<u />

<u>Let's solve for x.</u>

<u>8x+y=9</u>

<u>Step 1: Add -y to both sides.</u>

<u>8x+y+−y=9+−y</u>

<u>8x=−y+9</u>

<u>Step 2: Divide both sides by 8.</u>

<u>8x/8=−y+9/8</u>

<u>x=−1/8y+9/8</u>

<u />

<u />

5 0
3 years ago
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