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Liono4ka [1.6K]
3 years ago
7

Help in this question please, please

Mathematics
1 answer:
maksim [4K]3 years ago
4 0

Answer:

28 and a=lenth times width

Step-by-step

mutiply 7 time 4 and it is 28

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Which of the following expressions does not equal: the sixth root of 81x^4y^8
DerKrebs [107]
\sqrt[6]{81x^4y^8}=\left[3^4x^4(y^2)^4\right]^\frac{1}{6}=\left[\left(3xy^2\right)^4\right]^\frac{1}{6}\\\\=\left(3xy^2\right)^{4\cdot\frac{1}{6}}=\left(3xy^2\right)^\frac{2}{3}\to A\\\\=\left(3xy^2\right)^\frac{2}{3}=\sqrt[3]{\left(3xy^2\right)^2}=\sqrt[3]{9x^2y^4}\to D\\\\=\left(3xy^2\right)^\frac{2}{3}=\left(3x\right)^\frac{2}{3}y^{2\cdot\frac{2}{3}}=\left(3x\right)^\frac{2}{3}y^\frac{4}{3}\to B\\\\\\Answer:C
4 0
4 years ago
6x+4=22<br><br> What is the value of x?
Hoochie [10]
X = 3

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4 0
3 years ago
Read 2 more answers
the Seattle Space Needle is 604 feet tall and model of the building is 48 inches tall what is the ratio of the height of the mod
zheka24 [161]
      Model  :  Actual
48 inches  :  604 feet 
48 inches  :  7248 inches
       (÷48)   : (÷48)
     1 inch   :  151 inches

--------------------------------------------------------------------------------------------------
Answer : Ratio of Model to actual Space Needle = 1 : 151
--------------------------------------------------------------------------------------------------
6 0
3 years ago
2+4447=8ii what is ii​
Anvisha [2.4K]

Answer:

ii = 556.125

Step-by-step explanation:

4449 = 8ii

divide both side by 8

4449 \div 8 = 8ii \div 8

ii = 556.125

8 0
3 years ago
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AlladinOne [14]
So,

All we have to do is multiply 845 million by 51.5%, or 0.515.
845 million * 0.515 = 435.175 million users

435.175 million, or 435,175,000 users accessed Facebook using mobile devices.
5 0
4 years ago
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