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andre [41]
2 years ago
7

Need help on 5 & 6 please !!!

Mathematics
1 answer:
Novosadov [1.4K]2 years ago
5 0

Step-by-step explanation:

Q5. Let the cost of 28subscriptions be $s.

Words: 1subscription/28subscription = $21/$28

Numbers: 1/28 = 21/s

Cross multiply and solve: 1 x s = 21 x 28

s = 588

Answer with label: $588

Q6.

Words: 2inches/3.6inches = 2.5hours/bhours

Numbers: 2/3.6 = 2.5/b

Cross multiply and solve:

2 x b = 2.5 x 3.6

2b = 9

b = 4.5

Answer with label: 4.5hours

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Robert and dustin agree to share the cost of buying a computer that costs $1750. if robert agrees to pay $450 more than dustin,
lawyer [7]
R + d = 1750
r = d + 450

d + 450 + d = 1750
2d + 450 = 1750
2d = 1750 - 450
2d = 1300
d = 1300/2
d = 650 <=== what Dustin pays

r = d + 450
r = 650 + 450
r = 1100 ...Robert pays 1100
7 0
3 years ago
A ski lodge keeps records of the snow falling and melting the first day there were 18 inches the second day it melted 2 inches t
Phoenix [80]

Answer:

2 inches

Step-by-step explanation:

2x2=4

4x2=8

8x2=16

18-16=2

4 0
3 years ago
Given f(x) = 6(1 - x), what is the value of f(-8)?
Vedmedyk [2.9K]

Answer:

<h2>f(-8) = - 42</h2>

Step-by-step explanation:

f(x) = 6(1 - x)

To find f(-8) substitute the value of x that's - 8 into f(x) that is for every x in f (x) replace it with - 8

We have

f(-8) = 6( 1 - 8)

= 6(-7)

We have the final answer as

<h3>f(-8) = - 42</h3>

Hope this helps you

7 0
3 years ago
Read 2 more answers
What is the answer to this geometry problem
cricket20 [7]
A lot of work but you're lucky cuz I am bored.

Because we were not given any specific point to start off with. I choose (2,2), which is shown in red as 1. Note that 1 box = 1 unit.

We translate it 2 times.
a) (x+5)(y+3) = (2+5)(2+3) = (7,5) is our new point (shown in brown as 2)
     Translation process shown in yellow.

b) (x-4)(y+2) = (7-4)(5+2) = (3,7) is our final point (shown in orange as 3)
    Note that we use the 2nd point for the second translation as required.
    Translation process shown in lime.

We can therefore determine from the picture below that you can use the translation (x+1)(y+5), which the translation process is shown in blue.
Proof: (x+1)(y+5) = (2+1)(2+5) = (3,7)

Now let's do it again, except we do the second translation first and the first translation last.

c) (x-4)(y+2) = (2-4)(2+2) = (-2,4) is our new point (shown in purple as 4)
    Translation process shown in pink.

d) (x+5)(y+3) = (-2+5)(4+3) = (3,7) is our final point (shown in orange as 3)
    Translation process shown in dark blue.
    Same rules as (b). Notice how the final point is still the same? Therefore it     makes no difference.

Hope I helped a lot :P

4 0
3 years ago
Pls help me this is from khan academy. Which phrase could replace the word banish as it is used in paragraph 7?
lubasha [3.4K]
Answer: C or D

Explanation: would be easier to tell with the sentence it was in
6 0
3 years ago
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