3 years ago

Can someone help me translate this into a mathematical notation

Mathematics

1 answer:

OLEGan [10]3 years ago

8 0

Answer:

3x/4 = 5

Step-by-step explanation:

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the bottom of zeyda's jewelry box is a rectangle with length 5 3/8 inches and width 3 1/4 inches. What is the area of tge bottom

nadya68 [22]

Well you could do 5 3/8 plus 3 1/4 and your denominator 4 can become a 8 so multiply 4x2 to get 8 and 2x1 to get 3 2/8 and add that to 5 3/8 to get the sum of 8 7/8

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3 years ago

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Which mixed number is equal to 27/6? 2 7/6 3 4/6 4 3/6 6 2/7

vredina [299]

Answer:

Expressed as a mixed number in its simplest form, 27/4 is equal

to 6 3/4 or six and three quarters.

Step-by-step explanation:

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3 years ago

Wesley spent $34.60 at the grocery store. 15% of that was spent on fruit. How much did Wesley spend on fruit?

bagirrra123 [75]

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3 years ago

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An experienced teacher writes an exam so that, on average, about 5% of students will earn an A grade. If she has 50 students in

guapka [62]

Answer:

$P(x\geq 1) = 0.923$

Step-by-step explanation:

From the question we are told that:

Percentage of student to get A $P(A)=\%5=0.05$

Sample size $n=50$

Generally Number of student to get A is

$N_a=n*P(A)$

$N_a=50*0.05$

$N_a=2.5$

Therefore

Probability that one student gets an A grade is mathematically by

$^nPC_xP^x(1-P)^{n-x}$

$P(x\geq 1)=1-P(x$

$P(x\geq 1) =1-P(x=0)$

$P(x\geq 1) =^50C_0(0.05)^0(0.95)^50$

$P(x\geq 1) = 0.923$

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3 years ago

Which of the following expressions is equivalent to 9x2 - 4 ?

navik [9.2K]

If your teacher wants you to factor, then use the difference of squares rule

9x^2 - 4

(3x)^2 - 2^2

(3x-2)(3x+2)

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4 years ago