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kicyunya [14]
3 years ago
12

What does -8mn + 9mn =

Mathematics
2 answers:
maks197457 [2]3 years ago
7 0

Answer:

1mn

Step-by-step explanation:

combine like terms

-8mn+9mn=1mn

FrozenT [24]3 years ago
4 0

Answer:

1mn

Step-by-step explanation:

it would of been - 1 if it was switched around but 9 is more than 8 but 9 is a higher number

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Sarah paid $3.84 for 32 ounces of carrots. Sue paid $5.20 for 40 ounces of carrots. Who paid less per ounce
Tatiana [17]

Answer:

Sarah

Step-by-step explanation:

For Sarah

Sarah paid $3.84 for 32 ounces of carrots.

32 ounces = $3.84

1 ounce = x

Cross Multiply

x = $3.84/32

x = $0.12

For Sue

Sue paid $5.20 for 40 ounces of carrots.

40 ounces = $5.20

1 ounce = x

Cross Multiply

x = $5.20/40

x = $0.13

Who paid less per ounce?

Sarah paid less per ounce

8 0
3 years ago
Read 2 more answers
What is the equation of the line with slope of ½ , and which passes through the point
Law Incorporation [45]

Answer:

y = 1/2x - 7

Step-by-step explanation:

slope intercept form:

y = mx + b

y = -5

m(slope) = 1/2

x = 4

y = mx + b

<em>substitute </em>

-5 = 1/2*4 + b

-5 = 2 + b

-5 - 2 = b

-7 = b

y = 1/2x - 7

6 0
3 years ago
A shirt originally cost $36.24, but it is on sale for $30.80. What is the percentage decrease of the price of the shirt? If nece
KiRa [710]
To work out the decrease, do original amount - new amount and then take that answer and divide it by the original amount, and then multiply by 100.

So you would do:

36.24 - 30.80 = 5.44
5.44 ÷ 36.24 × 100 = 15% to the nearest percent.  

6 0
4 years ago
How do you factorise 20w2y+24wy3
Lilit [14]
20w^2y+24wy^3=4wy(5w+6y^2)
5 0
3 years ago
Read 2 more answers
What is the difference between the median and the range in the data set shown below?
Rina8888 [55]

Answer:

a. 5

Step-by-step explanation:

arrange

1  2  3  5  5  6  6  6  8  9  9  10  10  11  12  13

median=6+8/2=7

range=13-1=12

difference=12-7=5

please mark as brainliest

5 0
3 years ago
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