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Dafna11 [192]
3 years ago
11

Item 10

Mathematics
1 answer:
storchak [24]3 years ago
7 0

et grass cowbowcowbow

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13.5 is 15% of what number?<br> O A) 111.1<br> OB) 60<br> OC) 202.5<br> OD) 90
Nostrana [21]

Answer: 90

Step-by-step explanation:

15% of 90 = 13.5

4 0
2 years ago
Read 2 more answers
Kerry has a new phone plan. It works by charging $20 per month and then $0.10 for each minute over 200 minutes.
REY [17]

Answer:

(40-20)/.10

Step-by-step explanation:

40-20 is 20, 20 divided by .10 is 200, she used 200 extra minutes.

3 0
2 years ago
Plz help and show work plz
MrRa [10]

Answer:

3rd option

Step-by-step explanation:

The equation of a parabola in vertex form is

f(x) = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k ) = (- 1, - 25 ) , then

f(x) = (x - (- 1) )² - 25 , that is

     = (x + 1)² - 25 ← expand using FOIL

     = x² + 2x + 1 - 25

     = x² + 2x - 24

7 0
3 years ago
Work out the number that is halfway between 27 times 38 and 33 times 38.
lutik1710 [3]
27*38=1026\\&#10;33*38=1254\\&#10;x-between\ number\\&#10;x=\frac{1026+1254}{2}\\&#10;x=\frac{2280}{2}\\&#10;x=1140
4 0
3 years ago
The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less
Maru [420]
Let the second side be equal to x Then the first side is x-5 The third side will be x-5-2 = x-7 Therefore you add all the following sides and equate it to 42 yards. Ie x+x+5+x-7 = 42 3x=44 X= 44/3 Therefore the second sides length is 44/3 The first sides length is 44/3 -5 = 29/3 The third side is 44/3 -7 = 23/3
7 0
3 years ago
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