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Katarina [22]
2 years ago
10

Today Christina is carrying her history textbook and her lunch in her backpack. If the history textbook weighs 1/10 of a pound a

nd her lunch weighs 4 1/10 pounds, how much weight is in Christina's backpack?​
Mathematics
2 answers:
Eduardwww [97]2 years ago
7 0

Answer:

42/10 or 4 2/10 is the answer

Step-by-step explanation:

Hope this Helps! :)

emmainna [20.7K]2 years ago
3 0

Answer:

5/10 pounds just add 1 + 4 ( i think )

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My teacher never taught us this so idk how to do it
Verdich [7]

{x}^{3}  = 6\Leftrightarrow  \sqrt[3]{ {x}^{3} }  =  \sqrt[3]{6} \Leftrightarrow x =  \sqrt[3]{6}

6 0
3 years ago
You decide to take three part-time jobs: Work at a convenience store 60% of your time, and earn $11.00 an hour. Referee games at
ira [324]

Answer:

$17.90 rounded up to 2dp

Step-by-step explanation:

11 = 60%  

19 = 25%

16 = 15%

Total  3 hrs = $46 where average is 46/3 = 15.33 when same percentage of hours. For 10% higher which is 25%  we take  19 x 0.10 = 1.533 and subtract  = $17.47 for 25% - 40% of time in employment, but for 50% we find the average taking 11 x 0.45 = 6.8985 and add = $ 11 + 6.8985 = 17.8985 = $17.90

3 0
3 years ago
What is an expression for the distance between the origin and a point P(x,y)
kirza4 [7]

Answer:

d =  \sqrt{ {x}^{2}  +  {y}^{2} }

Step-by-step explanation:

Distance between origin (0, 0) and point (x, y) is given as:

d =  \sqrt{ {(x - 0)}^{2}  +  {(y - 0)}^{2} }  \\  \\ \red{ \bold{ d =  \sqrt{ {x}^{2}  +  {y}^{2} } }}

5 0
2 years ago
Find x. Round your answer to the nearest tenth of a degree.
iren [92.7K]

Answer:

51.70

Step-by-step explanation:

3 0
2 years ago
What is the inverse of f(x)= cube root of x +2.
DiKsa [7]
F(x)=\sqrt[3]{x+2}
to solve for the inverse of a function you do 4 steps:
1. subsitute f(x) with y
2. switch y and x places
3. solve for y
4. subsitute y with f⁻¹(x)

so we have
f(x)=\sqrt[3]{x+2}
subsitute f(x) with y
y=\sqrt[3]{x+2}
switch x and y
x=\sqrt[3]{y+2}
solve for y

x=\sqrt[3]{y+2}
cube both sides
x^{3}=y+2
subtract 2 from both sides
x^{3}-2=y

subsitute y with f⁻¹(x)
f⁻¹(x)=x^{3}-2



the answer is f⁻¹(x)=x^{3}-2



8 0
3 years ago
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