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guajiro [1.7K]
3 years ago
5

The total mass of vitamin C in one apple and two peaches is 17 mg. The total mass

Mathematics
1 answer:
WARRIOR [948]3 years ago
3 0

Answer:

3 and 7 respectively

Step-by-step explanation:

Let the mass, in milligrams, of vitamin C in an apple be x

Let the mass, in milligrams, of vitamin C in a pear is be y

x+2y=17

2x+y=13

Solving for x and y, we get x=3 and y=7

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The sum of two numbers is 53 and the difference is 27. What are the numbers?
ikadub [295]

Answer:

The numbers are 39 and 14.

Step-by-step explanation:

Equation 1, sum of the numbers:

 

x  +  y   =  53

 

Equation 2, difference of the numbers:

 

x  -  y  = 25

 

System of equations:

 

x  +  y  =  53

x  -  y   =  25

----------------

2x = 78

 

x = 39

 

Solve for y:

 

39  +  y  = 53

 

y  =  14

 

The numbers are 39 and 14.

8 0
2 years ago
Math please help give u brainlist
RoseWind [281]

Answer:

C

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(0,-4) (-4, -3)

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so is C

7 0
3 years ago
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If f(x)=4x+3 and g(x)=-2x+9, is f(x)-(-g(x)) equivalent to f(x) + g(x)? PLEASE HELP I GIVE BRAINLIEST
Veseljchak [2.6K]
The answer is YES because of the triple negative and double negative
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3 years ago
What is 8(3+a)? Please answer
alisha [4.7K]

The Answer is

<h2>24 + 8a</h2>

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To get the answer we have to distribute the 8, which means we have to multiply both terms in the parentheses by 8.

8 x 3 = 24

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So the answer is 24 + 8a

<h3><u></u></h3>
7 0
2 years ago
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A cell phone company offers two plans for unlimited calling. The first plan has a monthly charge of $25 and 8.08 per text messag
Alja [10]
The answer is 125 messages.
Firstly the best thing to do is create two different equations.
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Then you plug into Desmos and see at what point they cross. They cross at (125, 35).
Therefore for 125 text messages would cost 35$ for each plan.
8 0
3 years ago
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