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tamaranim1 [39]
3 years ago
9

A microwave is placed on top of two boxes. One box is 2 feet 9 inches tall, the other box is 4 feet 11 inches tall, and the micr

owave is 3 feet 6 inches tall. How tall are they combined?
Write your answer in feet and inches. Use a number less than 12 for inches.
__ft __in
Mathematics
2 answers:
Liula [17]3 years ago
8 0
The answer for this question would be
12ft and 2in
barxatty [35]3 years ago
7 0
11ft an 2in I think since 2+4+3=9 as 11+9+6=26 divide by 12in and add to 9 to get 11ft and 2in
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What is the value of f(3)
Elden [556K]

if x = 3


3 > -1, and so you use the x² formula.


Plug in 3 for x


x² = (3)²


Simplify


3² = 3 x 3 = 9


9, or (A), is your answer


hope this helps

7 0
3 years ago
Read 2 more answers
find the Point of intersection of these 2 lines: y= 5x - 4 and y= 4x - 2 *write answer as (x,y) coordinate pair
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The point of intersection is (2,6).
4 0
3 years ago
The sweater is on sale for 20% off the regular price the sale price is $60 what is the regular price of the sweater
dedylja [7]
Hello! So the sweater was marked off by 20% and the sale price is $60. To find the original price of the sweater, we can write and solve a proportion. Set it up like this:

60/x = 80/100

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6 0
2 years ago
Find a polynomial f(x) of degree 3 with real coefficents and following zeros. -4,4i
ElenaW [278]

Answer:

f(x)=x^3 +4x^2 +16x +64

Step by step explanation:

\text{Given that,  two roots are}~ -4~ \text{and}~  4i.\\\\\text{Let,}\\\\~~~~~~~x = 4i\\\\\implies  x^2 = 16i^2~~~~~~~;[\text{Square on both sides}]\\\\\implies x^2 = -16~~~~~~~~;[i^2 = -1]\\\\\implies x^2 +16 = 0\\\\\text{So,}~ x^2 +16~ \text{ is a factor of the 3 degree polynomial}.\\ \\ \text{The polynomial is ,}\\\\ f(x) = (x+4)(x^2 +16)\\\\~~~~~~~=x^3 +16x +4x^2 +64\\\\~~~~~~~=x^3 +4x^2 +16x +64

7 0
2 years ago
Cindy leaves her house by bike at 1 p.m and rosy leaves her house by bike at 2p.m Their houses are 120 km in 1 hour and rosy tra
ikadub [295]
They will meet at 5:00 pm
Work: 
r travels for x hours and c travels for x+1 hours
20x+15(x+1)=120
35x+15=120
35x=105
x=3
they meet at five o'clock

8 0
3 years ago
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