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Fantom [35]
4 years ago
10

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

Mathematics
2 answers:
dusya [7]4 years ago
3 0

Answer:

14

Step-by-step explanation:

Replace with the values

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

IrinaK [193]4 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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Image is below, please help me fast i have 2 minutes left, thank you very much
Yuki888 [10]

Answer:

45

Step-by-step explanation:

1/3 of 90

= 1/3 * 90

= 90/3

= 30

Let the missing number be x.

2/3 of x

= 2/3 * x

= 2x/3

30 = 2x/3

Cross multiply,

2x = 30 * 3

2x = 90

x = 90/2

x = 45

Hence,

the missing number is 45.

5 0
2 years ago
An electrician charges an hourly rate of $60, but also charges a fixed fee for making house calls regardless of time spend on th
Luba_88 [7]

Answer:

$50

Step-by-step explanation:

Step one:

charges per hour= $60

We are told that the electrician earned $350

for a job that took 5hours

The linear equation to represent his earnings is

let the flat fee be x

C=60t+x------------1

so for C=$350

Required

the flat fee

350=60(5)+x

350=300+x

collect like terms

x=350-300

x=50

Flat fee is $50

4 0
3 years ago
Read 2 more answers
PLEASE HURRY WILL GIVE BRAINLIEST! Which phrase describes the algebraic expression Three-fourths x + 2? A. three-fourths of a nu
Jlenok [28]

Answer: A

Step-by-step explanation:

3/4x+2

3/4+2

7 0
4 years ago
Read 2 more answers
A ticket cost T pounds (£). write down, in terms of T, the cost of the ticket in pence??
Deffense [45]
100p = £1
so 
so you multiply T by 100 to get the value in pence
100T = £T
4 0
4 years ago
Pls answer this-.....​
patriot [66]

AnswerS:

Let A be the surface area, b the base, h the height;

h₁=8.4 cm

h₂=7.8 cm

b= 9 cm

A= 3(1/2bh₁)+1/2 bh₂

A=3(1/2(9)(8.4))+1/2 (9)(7.8)

A= 148.5 cm³

Answer:

Step-by-step explanation:

The figure given above is a square pyramid, having a square base and 4 triangular faces on the sides that are of the same dimensions.

Surface area of the square pyramid is given as:  

Where,

B.A = Base Area of the pyramid = 9*9 = 81 in²

P = perimeter of the base = 4(9) = 36 in

L = slant height of pyramid = 9.2 in

Plug in the values into the given formula to find the surface are

5 0
3 years ago
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