MATHEMATICS HIGH SCHOOL

Kanna proofreads 15 pages in 2 hours for $40.a. What is her proofreading rate in pages per hour?
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b. How much does she receive on an average for a page?
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Answers

Answer 1

Answer:

A is 7.5

B is 2.6

Step-by-step explanation:

15/2=7.5

40/15=2.6

(Sorry if it isn’t the best math isn’t my strong suit)

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What is the inverse f(x)= 2x+1
The explicit formula for a sequence isan=−1+3(n−1)What is the 55th term of the sequence?
Work out 5/8−2/5 Give your answer in its simplest form.

What is the answer to this proplem in the picture.

Answers

$Answer:y\leq3x-1$

$y\leq3x-1$

Given: ΔXYZXY = 28 cm; XZ = 30 cm; YZ = 32
AB is a midsegment parallel to XY

What is the length of AB?

Answers

28 / 2 = 14

Answer: 14 cm

In any triangle, the mid segment has half the length of the side to which it is parallel.

Hope this helps.

If f(x) = 1 – x, which value is equivalent to |f(i)|?a. 0
b. 1
c. √2
d. √-1

Answers

If you would like to know which value is equivalent to |f(i)|, you can calculate this using the following steps:

f(x) = 1 - x
|f(i)| = |1 - i| = sqrt((1-i) * (1-i)^conjugate) = sqrt(2) = √2

The correct result would be c. √2.

Answer:

The answer is c

Step-by-step explanation:

Part A: Solve −np − 90 < 30 for n. Show your work. Part B: Solve 5m − 3h = 45 for h. Show your work.

Answers

A.well to start you have to do np + 90 >- 30
np > - 20
n > - 120/p

and for b.
5m - 45 = 3h
so h = 5m/3 - 15

Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 18 feet by 18 feet by 6 inches for a patio if the concrete costs $42.00 per cubic yard? 252.00
756.00
1,134,00
6,804,00

Answers

18 feet = 18/3 yard = 6 yard
6 inches = 1/2 feet = 1/6 yard

Volumen = (6yar)(6yard)(1/6yard) = 6 cubic yard

Cost = 6 cubic yard * $42.00 / cubic yard = $ 252.00

Answer: the first option, 252.00

Volume of slab = 18 feet * 18 feet * 6 inches = 6 yards * 6 yards * 1/6 yards = 6 cubic yards.
Cost of 1 cubic yard = $42
Cost of 6 cubic yards = $42 * 6 = $252

Ver en español Find the number that makes the ratio equivalent to 7:20