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defon
2 years ago
15

Can someone check if it’s correct plz

Mathematics
1 answer:
cluponka [151]2 years ago
7 0

Answer:

It's correct!

Step-by-step explanation:

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Please help thank you
Keith_Richards [23]

Answer:

5

alternates

Step-by-step explanation:

The series is for k = 0 to 4, so k = 0, 1, 2, 3, 4.

That is 5 terms.

-1/2 is inside the parentheses and is raised to 0, 1, 2, 3, 4.

A negative number raised to an even integer is positive.

A negative number raised to an odd integer is negative.

The sign of each term in the series alternates.

7 0
3 years ago
Find a numerical value of one trigonometric function of x for cscx = sinx tanx + cosx
Alex787 [66]

Answer:

Step-by-step explanation:

we have

cscx = sinx tanx + cosx\\\\\frac{1}{sinx}=sinx.\frac{sinx}{cosx} +cosx\\\\\frac{1}{sinx}.sinx.cosx= sinx.\frac{sinx}{cosx}.sinx.cosx+cosx.sinx.cosx\\  cosx= (sinx)^{3} +sinx.(cosx)^{2} \\cosx= sinx[(sinx)^{2}+(cosx)^{2})\\  cosx=sinx.1\\cosx=sinx\\tanx=1\\x=\frac{\pi}{4} +k\pi,k-integer.

6 0
2 years ago
-8(x-3y) when x=-2 and y=-4
seropon [69]
First let's put in the values. 

-8(-2-3·-4)

Solve using PEMDAS

Parentheses (Multiplication)

-8(-2+12)

Parentheses (Addition)

-8 · 10

Multiplication

-80

The answer is -80
6 0
3 years ago
Read 2 more answers
Factorize 6q-29q+28<br><br>​
choli [55]
<h2>Answer: <em><u>Cannot be factored</u></em></h2>

Step-by-step explanation: This equation is prime.

4 0
2 years ago
Read 2 more answers
The graph shows the distance traveled by two cars over several minutes.
Tju [1.3M]
The answer is 
rate of car A <   rate of car B
so B is the answer and  this answer is correct bc i took the quiz 
8 0
3 years ago
Read 2 more answers
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