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andreev551 [17]
3 years ago
10

Evaluate -3(9+y) if y = -7 ​

Mathematics
2 answers:
mario62 [17]3 years ago
6 0

Answer:

-6

Step-by-step explanation:

Substitutet -7 for y in -3(9+y):  -3(9 - 7)  =  -3(2)  =  -6

nadya68 [22]3 years ago
3 0

Answer:

-6

Step-by-step explanation:

-3*2

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What is the least common denominator of 1/3 and 4/7?
jolli1 [7]

Answer:

21

Step-by-step explanation:

The denominators are 3 and 7 and those are both odd numbers.

You can not get a number lower than 21. Therefore 21 is the LCM (Lowest common denominator.)  

Hope this helps :)

5 0
3 years ago
2. State whether the change is increasing or decreasing. Round your percent of change to the nearest integer percent. originally
marysya [2.9K]

Answer:

The change is increasing with a percentage of change of 64%

Step-by-step explanation:

Since we have the present grater than the original, then the change is increasing

Secondly, we want to calculate the percent of change

Mathematically , that will be ;

(present - original)/original * 100%

= (90-55)/55 * 100%

= 35/55 * 100% = 63.63 which is approximately 64%

7 0
3 years ago
The price of grapes at the grocery store is $1.44 per pound. There are approximately 0.45 kilometers in a pound. To the nearest
Nadusha1986 [10]
0.45 * 2 is 0.9
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$2.88+$0.32 is $3.20

The answer is $3.20
5 0
3 years ago
Which expression plzzzz helpppppppp
lara31 [8.8K]
Answer is D

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7 0
3 years ago
What would the inter-rater reliability be for a 50-item measure in which the number of agreements between Rater 1 and Rater 2 wa
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What would the inter-rater reliability be for a 50-item measure in which the number of agreements between Rater 1 and Rater 2 was 45?
C) 0.90
7 0
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