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VARVARA [1.3K]
2 years ago
15

Solve the equation. 9 ( − 2 ) =

Mathematics
2 answers:
goldfiish [28.3K]2 years ago
5 0

Answer:

- 18

Step-by-step explanation:

9 ( - 2 )

= 9 x ( - 2 )

= - 18

Therefore, - 18 is the answer of the given equation.

Fantom [35]2 years ago
3 0

Answer:

-18

Step-by-step explanation:

the parentheses mean to multiply, so 9 times 2 is 18, but since it is a negative and a positive that you're multiplying, then it would be negative 18

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What is true for: y = 13(x - 4)2 - 4
notka56 [123]

Answer:

y=78

Step-by-step explanation:

y=13(x-4) 2-4

y=(13-52) -2

y=(-24+104)

y=78

7 0
3 years ago
You own a motel and have a pricing structure that encourages rentals of rooms in groups.
zheka24 [161]

Answer:

$41

Step-by-step explanation:

  • One room rents for $68,
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So,

a_1=\$68\\ \\a_2=\$65\\ \\a_3=\$62\\ \\...

where a_n is the rate per nth room rented.

This is an arithmetic sequence, so

a_n=a_1+(n-1)\cdot d

In your case,

a_1=68\\ \\n=10\\ \\d=-3

Hence

a_{10}=68+(10-1)\cdot (-3)=68-9\cdot 3=68-27=41

This means if a group rents 10 rooms, the charge per room is $41.

5 0
3 years ago
Can you answer this math homework? Please!
pav-90 [236]

Answer:

(-4.5, 4.25)                The first one.

Step-by-step explanation:

Plug in -4.5 in for x and 4.25 for y in BOTH problems.  When you plug them in and they both work out for BOTH problems then its the answer.

7 0
2 years ago
Determine whether the two triangles are similar. PLEASE HELP!!
zvonat [6]

I think that it is C: PQR~XY by AA because there are only two angles that you are given ;the boxes represent 90, so each box has 90 and 62.

6 0
3 years ago
PLS HELP FOR BRAINLIST...
Ahat [919]
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