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DerKrebs [107]
3 years ago
10

BRAINLIEST ANSWER!! please help

Mathematics
1 answer:
jekas [21]3 years ago
5 0
(n+15) 6 = -42



n= -22


that’s sounds right but I would check the equation
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Jim wants to make a 4 letter password. He cannot repeat any letters in his password.How many combinations can he make
9966 [12]

My previous answer was incorrect, sorry for that... the correct answer would be 358,800

8 0
3 years ago
Read 2 more answers
aylor and Natsumi are making block towers out of large and small blocks. They are stacking the blocks on top of each other in a
frozen [14]

Answer:

The height of a large block is of 12.1 inches and of a small block is of 7.7 inches.

Step-by-step explanation:

This question is solved using a system of equations.

I am going to say that:

x i the height of a large block.

y is the height of a small block.

Taylor uses 4 large blocks and 2 small blocks to make a tower 63.8 inches tall.

This means that:

4x + 2y = 63.8

Simplifying by 2:

2x + y = 31.9

So

y = 31.9 - 2x

Natsumi uses 9 large blocks and 4 small blocks to make a tower 139.8 inches tall.

This means that:

9x + 4y = 139.8

Since y = 31.9 - 2x

9x + 4(31.9 - 2x) = 139.8

9x + 127.6 - 8x = 139.8

x = 12.1

y = 31.9 - 2x = 31.9 - 2(12.1) = 7.7

The height of a large block is of 12.1 inches and of a small block is of 7.7 inches.

7 0
3 years ago
Multiply and simplify. y^3 . y^5 . y^-2 .y<br> A. y^-4<br> B. 1/y^4<br> C. y^-5<br> D. 1/ y^3
drek231 [11]

Answer:

y^7

Step-by-step explanation:

y^3 . y^5 . y^-2 . y

= y^3 . y^5 . y^-2 . y^1

= y^( 3 + 5 - 2 + 1 )

= y^( 3 + 5 + 1 - 2 )

= y^( 9 - 2 )

= y^7

7 0
3 years ago
Evan’s family drove to a theme park for vacation. Assume they drove the same speed throughout the trip. The first day, they drov
Pepsi [2]
In the given problem the best hint that is given for getting to the answer is that Evan's family drove at the same speed each day.
Then
On the first day the speed of the car = Distance/time
                                                           = 300/6
                                                           = 50 miles/hour
Then for calculating the distance traveled on the third day = speed * time
                                                                                             = 50 * 3
                                                                                             = 150 miles
Then on the third day they arrived at the park by driving 150 miles in 3 hours. So the correct option is option "C".
8 0
4 years ago
Read 2 more answers
What are the factors of x^2+3x-4
Sveta_85 [38]

Answer:

(x-1) (x+4)

Step-by-step explanation:

x^2 +3x-4

What 2 terms multiply to -4 and add to 3

-1*4 = -4

-1+4 = 3

(x-1) (x+4)

5 0
3 years ago
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