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zysi [14]
3 years ago
5

Helpppppppppp giveing brainlist

Mathematics
2 answers:
Grace [21]3 years ago
7 0
A/D plz give brain!!! :).
Alenkasestr [34]3 years ago
3 0
The answer is a b and d
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A personal trainer designs exercise plans based on a combination of strength-training and aerobic exercise. A beginner plan has
Korvikt [17]
"Each plan utilizes a combination of 2 strength-training sessions and 2 aerobic exercise sessions per week." because. 
Let n be the number of aerobic and strength-training exercises per week.
Let x be the number of strength-training exercises per week on the beginner  

15x + 20n = 90 

Let y be the number of strength-training exercises for  week on the advanced plan.
20y + 30n = 130 

Multiply both sides by 1.5, to get:
22.5x + 30n = 135 
Subtracting equation 2 from 3 we get:
22.5x - 20y = 5 
5 0
3 years ago
Read 2 more answers
What is 10 + 15k equivalent <br> Plz hurry
iVinArrow [24]

Answer:

if you mean 15k as is 15 thousand then the answer would be 15,010

7 0
3 years ago
What property is ased 4+5=5+4 (2+10+5=2+(10+5) 2(5+10)=10+32
goblinko [34]

Answer:

In mathematics, there are some properties of numbers that are handy to know. For example, the identity property of multiplication says that any number times one is equal to the original number. So, according to that property 5 x 1 = 5.

Step-by-step explanation:

3 0
4 years ago
Why is this number not in scientific<br> notation?<br> 36.5 x 10^6<br> please help
andrew11 [14]

Answer:

The first number should be a number between 1 and 10 (see explanation)

Step-by-step explanation:

For a number to be in scientific notation, a number between 1 and 10 has to be multiplied by a power of 10.

36.5 is not between 1 and 10, alternatively, you can rearrange it:

3.65 x 10^7      <----This would be the correct scientific notation

3 0
3 years ago
Which relation is also a function?
hoa [83]
It’s d bec each x has one input
6 0
3 years ago
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