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Dominik [7]
3 years ago
5

Given that X = - 2 and y = 4 , Evaluate the expression. 5y – 4x

Mathematics
1 answer:
Kipish [7]3 years ago
4 0

Answer: 28

Step-by-step explanation: 5(4)-4(-2) which is 20+8 and that is 28.

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Each of these numbers represents the weight of a student in kilograms. What is the median of this data set?
aleksandrvk [35]

Answer:

47

Step-by-step explanation:

www.alcula.com/calculators/statistics/median/

4 0
3 years ago
The ratio of Sam's age to Hank's age is 5 to 3. If the sum of their ages is 24, how old is Hank?
posledela
S-Sam's\ age\\H-Hank's\ age\\\\  \left\{\begin{array}{ccc}\frac{S}{H}=\frac{5}{3}\\S+H=24&\to S=24-H\end{array}\right\\\\substitute\ S=24-H\ to\ \frac{S}{H}=\frac{5}{3}\\\\\frac{24-H}{H}=\frac{5}{3}\\\\cross\ multiply\\\\5H=3(24-H)\\5H=72-3H\\5H+3H=72\\8H=72\ \ \ /:8\\H=9\\\\Answer:Hank\ is\ 9\ years\ old.
7 0
3 years ago
What is the value for y? Explain please
Reil [10]
I hope this helps you

5 0
3 years ago
Mai has a rectangular poster. The poster is 1.6 meters long and 1.2 meters wide.
dangina [55]

Answer:

19,200 cm^2.

Step-by-step explanation:

The area = 1.2 * 1.6 = 1.92 m^2.

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Therefore 1.92 m^2 = 10,000 * 1.92 =  19,200 cm^2.

7 0
2 years ago
Points b,d, and f are midpoints of the sides of triangle ACE. EC=30 and DF= 17 find AC
Margaret [11]

Answer:

Your answer should be AC=2DF=34

Step-by-step explanation:


5 0
2 years ago
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