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2 years ago

6

3. Multiply a. (7a-b) (a +7b)

1 answer:

ser-zykov [4K]2 years ago

4 0

You already got the annswer but if you ever need math answers and or explanations asap use the app mathaway:)

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Which expression can be simplified as18<br> O (1²) 9<br> (9)<br> O (no)-3<br> O<br> O<br> (n-3)⁰

sesenic [268]

Answer:

Option 4

Step-by-step explanation:

$(n^{-3})^6=n^{-18}=\frac{1}{n^{18}}$

4 0

1 year ago

John played a note on his tuba that vibrated the air 70 times per second. If he played the note for 5 seconds, how many times di

lutik1710 [3]

That's simple just multiply 70 and 5

3 0

3 years ago

Read 2 more answers

The length of a garden is 5m greater than the width. the area is 66m^2. Find the dimensions of the garden.

11Alexandr11 [23.1K]

W^2+5w-66=0
Factor
(w+11)(w-6)=0

w+11=0
w=-11 (not possible - cant have negative length

w-6=0
w=6

L(6)=66
L=11

Width = 6
Length = 11

8 0

3 years ago

Which statements apply to the ratio of rice and water? Choose two options.

katrin [286]

The values cannot be labeled as dependent or independent without a givin equation

5 0

2 years ago

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In a lab experiment, 3100 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to do

timama [110]

2,862 bacteria

6,200/26 = x/12
For one hour, there are 238.461538. Multiply that by 12 and get 2861.53846. Round to the nearest whole number and your answer is 2,862 bacteria.

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3 years ago