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2 years ago

Problem: 4 × 32 + 8 ÷ 2 - (5 + 3)

Mathematics

2 answers:

oksian1 [2.3K]2 years ago

8 0

Answer:

124

Step-by-step explanation:

4 x 32 = 128

128 + 8 divided 2 - (5 + 3 )

divide 8 and 2 = 4

128 + 4 - ( 5 + 3)

add 5 + 3 = 8

128 + 4 - 8

Answer: 124

lubasha [3.4K]2 years ago

6 0

Answer:

124

Step-by-step explanation:

is in the photo

i hope this helps :)

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Find the upper quartile of the given data below: 11, 8, 5, 4, 7, 6, 9, 10, 12

JulijaS [17]

Answer:

9.5

Step-by-step explanation:

1. Arrange in ascending order

4 5 6 7 8 9 10 11 12

2. Upper Quartile formula:

3×(N+1)÷4

3. Number of terms (N) = 9

4. Apply:

3×(9+1)/4

=3×10/4

=30/4

=7.5th term

5. 7.5th term is the average of the 7th and the 8th term so

Take average

7th term is 9 and 8th term is 10

6. Find average of 9 and 10 = 9.5

7. ANSWER : THE UPPER QUARTILE IS 9.5 FOR THE GIVEN DATA

7 0

3 years ago

Which two values of x are roots of the polynomial below?

Julli [10]

Answer:

B. and C.

Step-by-step explanation:

1. Set the polynomial equal to zero:

x² + 5x + 7 = 0

2. Plug the given values of a, b, and c into the quadratic formula:

$x=\frac{-5+-\sqrt{5^{2}-4(1)(7) } }{2(1)}$

3. Solve the square root:

$x=\frac{-5+-\sqrt{25-4(1)(7)} }{2(1)}$

$x=\frac{-5+-\sqrt{25-28} }{2(1)}$

$x=\frac{-5+-\sqrt{-3} }{2(1)}$

4. Simplify the rest:

$x=\frac{-5+-\sqrt{-3} }{2}$

5. Separate the solutions:

$x=\frac{-5+\sqrt{-3} }{2} , x=\frac{-5-\sqrt{-3} }{2}$

Thus, options B and C are the answers.

hope this helps!

4 0

2 years ago

#2 only And it's to confusing

ipn [44]

They are easy to compare if they all have the same common denominator, then you can easily order them by the magnitude of the numerators...

85/10, -67/10, -56/10, 82/10 so now they are easy to compare...so

-6.7, -28/5, 8.2, 17/2

5 0

3 years ago

Is 0.625 greater than 0.75

adell [148]

Answer:

Step-by-step explanation:

7 0

3 years ago

A company has 29900 employees in one country. If this represent 18.3% of the company’s employees, how many employees does it hav

mario62 [17]

Answer:

About 163 388 employees

Step-by-step explanation:

Let total number of employees in the company be represented by x. Thus:

$18.3\% \: of \: x = 29900$

$18.3\% \:x \: = 29900$

$\frac{18.3}{100}x = 29900$

$0.183x = 29900$

Divide through by 0.183

$\frac{0.183x}{0.183} = \frac{29900}{0.183}$

$x = 163387.9$

$x = 163388 \: to \: nearest \: whole \: number$

The total number of employees in one country is about 163388

5 0

3 years ago