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Furkat [3]
2 years ago
6

Ami

Mathematics
1 answer:
Zinaida [17]2 years ago
5 0

Answer:

  • 32

Step-by-step explanation:

<u>As per table we have:</u>

  • 2x = 64 or 4x = 128 or 6x = 192 ⇒ x = 32

32 students in 1 school bus

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if a piece of string which is 368cm long must be cut into 8 equal pieces how long will each piece be (answer in mm)​
Maksim231197 [3]
1cm= 10mm
So you do 368 divided by 80 which is 4.6mm
3 0
3 years ago
Simplify, if x = 2 and y = -1: 3(y + 2)^2 + 3x
svet-max [94.6K]

Answer:

9

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

3(y + 2)² + 3x

x = 2

y = -1

<u>Step 2: Evaluate</u>

  1. Substitute:                    3(-1 + 2)² + 3(2)
  2. Add:                              3(1)² + 3(2)
  3. Exponents:                   3(1) + 3(2)
  4. Multiply:                        3 + 6
  5. Add:                              9
5 0
3 years ago
Translate the statements into a confidence interval for p. Approximate the level of confidence. In a survey of 8451 U.S. adults,
Sedaia [141]

Answer:

The  confidence interval is  0.304 <  p  < 0.324

Step-by-step explanation:

From the question we are told

      The sample proportion \r p  =  0.314

      The margin of error  is E =  0.01

The confidence interval for  p is mathematically represented as

       \r p -  E  <  p  < \r p + E

=>    0.314 -  0.01  <  p  < 0.314 +  0.01

=>   0.304 <  p  < 0.324

6 0
3 years ago
In kite WXYZ, the measure of Measure of angle X = measure of angle Z = 86 degrees, and the Measure of angle Y = 72 degrees.
Varvara68 [4.7K]

Answer:

116

Step-by-step explanation:

Follow me on ig iam4very

3 0
2 years ago
The sum S of the first n integers is given by the formula S=1/2n(n+1). How many integers must be taken to have a sum of
statuscvo [17]

Answer:

25

Step-by-step explanation:

We require to solve for n, hence

\frac{1}{2} n(n + 1) = 325

multiply both sides by 2 to eliminate the fraction

n(n + 1) = 650

n² + n = 650

subtract 650 from both sides to have equation in standard form

n² + n - 650 = 0 ← in standard form

(n + 26)(n - 25) = 0 ← in factored form

equate each factor to zero and solve for n

n + 26 = 0 ⇒ n = - 26

n - 25 = 0 ⇒ n = 25

however, n > 0 ⇒ n = 25


5 0
3 years ago
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