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sveticcg [70]
3 years ago
11

PLEASE HELP DUE IN 1 HOUR, AND PLEASE DON'T PUT THOSE LINKS OR ELSE I WILL REPORT YOU.

Mathematics
2 answers:
kolezko [41]3 years ago
5 0

Answer:

c < 7

Step-by-step explanation:

If she plans to buy fewer then 7 the inequality would be c is less than 7.

Picture is how you graph that. Since c is less than 7 you would go left. The circle is open because c is not equal to 7.

ZanzabumX [31]3 years ago
3 0

Answer:

i think c < 7

Step-by-step explanation:

let me know if this incorrect

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Prove the following identity showing all steps:
kiruha [24]

Answer:

See solution below

Step-by-step explanation:

Given the expression

\frac{cos(x+30)-sin(x+60)}{sin(x)cos(x)} \\

Recall that

cos x  = sin(90-x)

cos(x+30 ) = sin (90-(x+30)

= sin(90-x-30)

= sin(60-x)

Substitute

\frac{sin(60-x)-sin(x+60)}{sin(x)cos(x)} \\= \frac{sin60cosx-cos60sinx)-sinxcos60-cosxsin60)}{sin(x)cos(x)} \\=  \frac{-2cos60sinx)}{sin(x)cos(x)} \\= \frac{-2(1/2)sinx)}{sin(x)cos(x)} \\= \frac{-1}{cos(x)}\\= \frac{1}{cos(x)}\\ \\= -sec(x) Proved

8 0
3 years ago
The product of y squared and y cubed
fgiga [73]

Answer:

y^​2*​y^​3

Step-by-step explanation:

Use the power of 5

4 0
3 years ago
Read 2 more answers
Which of the binomials below is a factor of this trinomial x^2+14x+40
san4es73 [151]
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3 years ago
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Alan has forgotten his 4-digit PIN code.
MA_775_DIABLO [31]
200

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Second digit can be 10 ways.

Third digit can be 10 ways.

Fourth digit can be 2 ways.

So total number of digits 1 x 10 x 10 x 2 = 200
5 0
3 years ago
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Translate fifteen more than twice a number is nine into a equation
Svetach [21]
Fifteen More means to add, so far:
15+

twice a number, you don't know the number, so let's call this number X.

Also, it's saying twice more. So, 15x since you can't add multiply a number.

is means =
15x = 9 is your answer.
8 0
3 years ago
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