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Oksi-84 [34.3K]
4 years ago
9

2 (m+n) +m=9 3m-3n = 24​

Mathematics
1 answer:
Yuri [45]4 years ago
8 0

Answer:

m=5

n=-3

Step-by-step explanation:

3m+2m=9

3m-3n=24

3(5)+2(-3)=9

15-6=9 correct

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Write an exponential function y=ab^x whose graph passes through the points (2,18) and (4,162)
Alex Ar [27]

Answer:

see explanation

Step-by-step explanation:

Use the points to find a and b, that is

(2, 18)

18 = ab^{2} → (1)

(4, 162)

162 = ab^{4} → (2)

divide (2) by (1)

\frac{ab^4}{ab^2} = \frac{162}{18} = 9

b² = 9 ⇒ b = 3

substitute b = 3 into (1)

18 = 9a ⇒ a = 2

y = 2(3)^{x} ← exponential equation

7 0
3 years ago
A bottle of soda comes in a 2-liter size. There are 29.6 mL in 1 fl oz. About how many fl oz is in 2 liters?
Alchen [17]
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6 0
3 years ago
What’s is ittttt I neeed helppp
Softa [21]

Answer:

n = 14

Step-by-step explanation:

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5 0
4 years ago
Read 2 more answers
The volume of a rectangular solid can be written as V=LWH, where L is the length of the solid, W is the width, and H is the heig
marshall27 [118]

Answer:

The length of the rectangle is 9 inches.

The height of the rectangle is 11 inches.

Step-by-step explanation:

Given : The volume of a rectangular solid can be written as V=LWH, where L is the length of the solid, W is the width, and H is the height. A box of cereal has a width of 2 inches. It’s height is 2 inches longer than it’s length. If the volume of the box is 198 cubic inches.

To find : What are the length and height of the box ?

Solution :

The width of the box is L inches

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The height is 2 inches longer than it’s length i.e H=L+2

The volume of a rectangular solid is V=L\times W\times H

198=L\times 2\times (L+2)

99=L^2+2L

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L(L+11)-9(L+11)=0

(L+11)(L-9)=0

L=-11,9

Reject L=-11 as dimension cannot be negative.

The length of the rectangle is 9 inches.

The height of the rectangle is 11 inches.

3 0
3 years ago
What is the solution to the inequality below? 
irina1246 [14]
_Award brainliest if helped! 
 B.  -7≤X≤7
8 0
4 years ago
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