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dangina [55]
2 years ago
8

A student estimated that it would take 3 hours to write a

Mathematics
1 answer:
lidiya [134]2 years ago
8 0
The student had a 40% error estimate
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Simplify the expression:<br> -<br> 4t+<br> -<br> 7t+3–10t
Gekata [30.6K]

Answer:t+3

Step-by-step explanation:

4t+7t+3-10t

11t+3-10t

t+3

8 0
3 years ago
HELP PLS! ILL MARK BRAINLIEST!
scZoUnD [109]
I think b sorry if it’s wrong :(
8 0
3 years ago
Kevin counts 75 chicks in the hen house. He also sees more chicks outside the hen house. How can Kevin count to find how many ch
stellarik [79]

What we know:

we know that there are <u>75</u> chicks in the hen house, we also know that in all there are 108 chicks

What we need to find:

we need to find out how many chicks were outside

Answer equation:

108 - 75 = 33

8 0
3 years ago
What are the types of roots of the equation below?<br><br>x^4 - 81 = 0​
natali 33 [55]

Answer:

x^4 - 81 = 0  

(x² - 9)(x² + 9) = 0  

Notice that the first of these is itself a difference of two squares:  

(x - 3)(x + 3)(x² + 9) = 0  

So the solutions are x = 3, x = -3, x = 3i, x = -3i

4 0
3 years ago
Write the product as a trinomial. (x + 2)(x + 4)
11111nata11111 [884]
Use: (a + b)(c + d) = ac + ad + bc + bd

(x+2)(x+4)=(x)(x)+(x)(4)+(2)(x)+(2)(4)=x^2+4x+2x+8=x^2+6x+8


Answer: d. x² + 6x +8

7 0
3 years ago
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