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Fantom [35]
3 years ago
10

What is e-1/2f when e=15 and f=2

Mathematics
2 answers:
dusya [7]3 years ago
3 0

Answer:

14

Step-by-step explanation:

Replace with the values

15-1/2(2) = 15-1 = 14

IrinaK [193]3 years ago
3 0

Answer:

14

Step-by-step explanation:

e-1/2f

Let e =15 and f =2

We can substitute these values into the expression

15 - 1/2 (2)

15 - 1

14

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The ages in years of 10 teachers of a school are : 32, 41, 28, 54, 35, 26, 23, 33, 38, 40. What is the range of ages of the teac
PSYCHO15rus [73]

Answer:

The range is 31

Step-by-step explanation:

Range is highest number - lowest number.

The highest number is 54 and the lowest is 23.

54-23=31

4 0
3 years ago
What are the roots of the equation 16x2 + 40x + 27 = 0 in simplest a + bi form?
bezimeni [28]

9514 1404 393

Answer:

  -5/4 +i(√2)/4 and -5/4 -i(√2)/4

Step-by-step explanation:

I find simplest form to be easier to get to if the leading coefficient is 1. Dividing by 16, we have ...

  x^2 +5/2x +27/16 = 0

Completing the square by adding and subtracting the square of half the x-coefficient, we get ...

  (x^2 +5/2x +25/16) +27/16 -25/16 = 0

  (x +5/4)^2 = 2/16

Subtracting 2/16, taking the square root, and subtracting 5/4 gives ...

  x +5/4 = ±√(-2/16)

  x = -5/4 ±i(√2)/4

The roots are -5/4 +i(√2)/4 and -5/4 -i(√2)/4.

7 0
3 years ago
X³=343-¹ find the positive value of x that makes the equation true
SVETLANKA909090 [29]
x^3=343^{-1}\\\\x^3=(7^3)^{-1}\\\\x^3=7^{-3}\\\\x^3=\left(\frac{1}{7}\right)^3\iff\boxed{x=\frac{1}{7}}
8 0
2 years ago
Name the figure below in two different ways. B. N<br><br>​
choli [55]

Answer:

BN

NB

Step-by-step explanation:

6 0
3 years ago
Why can't the product of two digit numbers ever be two digits
amm1812
Im pretty sure it can. 20 +20 = 40. if that helps...
7 0
3 years ago
Read 2 more answers
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