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bija089 [108]
3 years ago
5

What is the average of all integers from 11 to 35

Mathematics
2 answers:
horsena [70]3 years ago
5 0
24 becuase add the two together then divide by two
Lena [83]3 years ago
5 0
1st let's calculate the sum from 1 to 35:

it's an arithmetic progression  with first term a = 11, last term = 35 and the number of term n = 25

s= (11+35)25/2 = 575

Average = 575/25 = 23

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4 0
2 years ago
If cos -105º = -0.26 and csc -105º = -1.03, then cos 105º = and csc 105º = .
andreyandreev [35.5K]

Answer:

cos (105°) = - 2.6

csc (105°) = 1.03

Step-by-step explanation:

Given that cos (-105°) = - 0.26 {The negative sign is due to the angle - 105° lies in the third quadrant where cos value is negative}

Again, given that csc (- 105°) = - 1.03 {{The negative sign is due to the angle - 105° lies in the third quadrant where csc value is negative}

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And csc (105°) = 1.03, because 105° lies in the second quadrant and here csc value is positive. (Answer)

3 0
3 years ago
Use the zero product property to solve the equation. (4k+5)(k+7)=0
Maru [420]
The zero product property tells us that if we have
xy=0, then we can assume that x and y both equal 0

so

(4k+5)(k+7)=0
we can assume that 4k+5=0 and k+7=0
so

4k+5=0
minus 5 both sides
4k=-5
divide both sides by 4
k=-5/4

k+7=0
minus 7 both sides
k=-7


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7 0
3 years ago
Annie works as both a carpenter and a blacksmith. Last week she worked 12 hours as a carpenter and 20 hours as a blacksmith and
Minchanka [31]

Answer:Let x = pay per hour as a carpenter and y = pay per hour as a blacksmith

Last week she worked 12 hours as a carpenter

earning 12x dollars

and 20 hours as a blacksmith

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and those two things add up to 860.

Do the same with the other sentence, giving you a second equation.

Step-by-step explanation:

6 0
3 years ago
Use the definitions and theorems of this section to evaluate and simplify the following expression. Be sure to express answers w
kvasek [131]
The <u>correct answer</u> is:

b⁸

Explanation:

(b⁴)²

When we have a power raised to a power, we multiply the exponents.  This gives us:

b⁴ˣ² = b⁸
6 0
3 years ago
Read 2 more answers
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