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vlabodo [156]
3 years ago
10

Which is a variable expression for the word phrase? the product of 3 and a number decreased by 7

Mathematics
1 answer:
geniusboy [140]3 years ago
6 0
C.

Because deceased means minus, so you eliminate A. Product means multiplication so 3n-7
You might be interested in
How do the 5s in 50.8 and 18.35 compare?
telo118 [61]

The value of the 5 in 50.8 is 1,000 times the value of the 5 in 18.35 ⇒ 1st answer

Step-by-step explanation:

Let us revise some important notes in a number:

  • Every digit in a number has a place value
  • Place value is the value represented by a digit in a number
  • Ex: the place value of 2 in the number 2,345 is 1,000 because 2 is in the thousands place, the place value of 9 in 12.29 is 0.01 because 9 is in the hundredths place

∵ The number is 50.8

∵ 5 is in the tens place

∴ The place value of 5 is 10

∵ The number is 18.35

∵ 5 is in the hundredths place

∴ The place value of 5 is 0.01

Let us compare between the places value of 5 in the two numbers

Let x the number which multiplying by the hundredth digit to give the ten digit

∵ 10 = x × 0.01

∴ 10 = 0.01 x

- Divide both sides by 0.01

∴ 1,000 = x

∵ 5 × 10 = 0.05 × 1000

∴ 50 = 50

∴ The value of 5 in 50.8 = 1,000 × the value of 5 in 18.35

The value of the 5 in 50.8 is 1,000 times the value of the 5 in 18.35

Learn more:

You can learn more about the place value in brainly.com/question/13174282

#LearnwithBrainly

6 0
4 years ago
Square root of 130 let your initial guess be 11.5
sergey [27]
No actually its 11,4 but yes I would think 11,5
4 0
3 years ago
If you roll two fair six-sided dice, what is the probability that both dice show an odd number?
OLEGan [10]

Answer:

1/4

Step-by-step explanation:

Both dice have odd numbers 1, 3, 5. The chances of getting an odd number on each number is 3/6

The probability of getting odd numbers on both is:

3/6 ⋅ 3/6 = 9/36 = 1/4

5 0
4 years ago
Read 2 more answers
A researcher wishes to conduct a study of the color preferences of new car buyers. suppose that 50% of this population prefers t
djyliett [7]

To solve this question, use the Binomial probability formula.

The formula is given by

^nC_xp^x(1-p)^{n-x}

Where:

n = the number of trials

x = the sample we aim to try

p = the probability of success

In this question:

n = 16

x = 9

p = 0.5

Substituting in the equation:

\begin{gathered} ^nC_xp^x(1-p)^{n-x} \\ ^{16}C_9*0.5^9(1-0.5)^{16-9} \\  \end{gathered}

And the combination formula:

^nC_x=\frac{n!}{(n-x)!*x!}

Then:

\begin{gathered} \frac{16!}{(16-9)!*9!}*0.5^9(1-0.5)^{16-9} \\ \frac{16!}{7!*9!}*0.5^9*0.5^7 \\ 11440*0.00195*0.0078 \\ =0.1746 \end{gathered}

Answer: The probability is 0.1746.

6 0
1 year ago
What is the perimeter of a parallelogram with length 26cm , 24cm and base 25cm?
Nesterboy [21]

Answer:

Step-by-step explanation:

P=2(a+b)

2(26+25)

=102 ans

8 0
3 years ago
Read 2 more answers
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