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kvv77 [185]
3 years ago
9

Out of 450 phones in a store, 270 are new models. What percent of the phones are new models?

Mathematics
1 answer:
andrezito [222]3 years ago
4 0

Answer:

180

Step-by-step explanation:

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TEXASCHIC! :)
nlexa [21]
(3,51)(5,59)
slope = (59 - 51) / (5 - 3) = 8/2 = 4

y = mx + b
slope(m) = 4
(3,51)...x = 3 and y = 51
sub and find b, the y int
51 = 4(3) + b
51 = 12 + b
51 - 12 = b
39 = b

so ur equation is : y = 4x + 39...but u need it in standard form

y = 4x + 39
-4x + y = 39
4x - y = -39 <==== this is ur equation...x = number of hrs and y = total velocity
====================
ur x axis is the number of hrs
ur y axis is total velocity in km

y = 4x + 39......slope = 4.....y int = (0,39)....x int is (- 9.75,0) or -9 3/4 for graphing purposes)....so start at (-9.75,0)...and since the slope is 4, go up 4 and to the right 1....plot that...then up 4 and to the right 1...plot that...u will cross the y axis at (0,39)....and just connect ur plotted points and u have ur line......or what u can do since it is asking for the first 6 hrs....sub in 1 for x and solve for y....then sub in 2 for x and solve for y...keep doing this up till 6 and u will have ur line up till 6 hrs
8 0
3 years ago
How much is 4/5 of 5 dozen
ANTONII [103]
Is should be 48 i think

5 0
3 years ago
Read 2 more answers
The figure below shows a shaded rectangle inside a large rectangle:
trasher [3.6K]

Answer:

46% i hope this helps

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How do we solve this?
Murljashka [212]

Answer:

f(x)=11+7√x

f'(x)=7/(2x^(1/2))

putting x=1

f'(1) = 7/(2×1^(1/2))

= 7/2 = 3.5

putting x=2

f'(2) = 7/(2×2^(1/2))

= 7/(2×√2)

= 7√2/4

= 2.47 (rounded to the nearest hundredth)

f'(3) = 7/(2×3^(1/2))

= 7/(2×√3)

= 7√3/6

= 2.02 (rounded to the nearest hundredth)

3 0
3 years ago
Mr Dominguez divided 68 students into 4 groups of equal size. Which of the following correctly uses the distributive property to
JulijaS [17]
The answer is 17 students in each group.
8 0
3 years ago
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