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katrin [286]
3 years ago
9

Use substitution to solve the system of equations.

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
6 0
I believe you haven't included the system of equations for us to solve.

However, I will tell you that you need to solve for one variable in an equation and substitute that into the other equation.
For example:
x = yz; z = x/y
a = zb; a = (x/y)b

Hope this helps!
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So I need to calculate the surface area for each figure. And the base is 6 and Side is 3?
Pie
Area=basexhigh so, Area= 6x3 , so answer will be 18
8 0
3 years ago
Can y’all help me plz?
gulaghasi [49]

Answer:

13

Step-by-step explanation:

Pythagreom Therom:

a^2+b^2=c^2

12^2+5^2=c^2

144+25=c^2

169=c^2

c=13

3 0
2 years ago
A total of 765 tickets were sold for the school play. They were either adults or students tickets. There were 65 more student ti
Brrunno [24]

Answer: 350 adult tickets

Step-by-step explanation:

(omg I remember this question!)

  • a stands for the number of adult tickets sold

student tickets : a + 65

<em>the equation for the prob: </em>

765 = a + (a + 65)

<em>solve:</em>

combine 'like terms'

1.) 765 = a + a + 65

2.) 765 = 2a + 65

<u>- 65         - 65 </u>

700= 2a

divide by 2

700/2 = 2a/2

<em>(700/2 = 350) </em>

<em>(the "2" in 2a is cancelled out by the other 2)</em>

<u>350 = a </u>

7 0
3 years ago
What is the difference in medians of the two box plots? de27a97d-2652-45fd-92f8-2f37a2ac7b09?W=400&amp;h=400
Veronika [31]

*see attachment for the diagram of the two box plots referred to here.

Answer:

2 inches

Step-by-step explanation:

The median of a box plot is the data value that lies exactly where the vertical line divides the box into two.

Therefore:

Median for Class 1 = 17 inches

Median for class 2 = 15 inches

The difference in the medians of both box plots = 17 - 15 = 2 inches

5 0
3 years ago
Please help! 5 Points! Will give Brainliest!
MatroZZZ [7]
150 parents said yes, 30 said no.
30 adults said yes, 40 said no.
7 0
3 years ago
Read 2 more answers
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