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777dan777 [17]
3 years ago
12

Solve the following system using substitution

Mathematics
2 answers:
Alborosie3 years ago
7 0
If left sides of equation equal (and they are same) - right must also be equal

If no - there is no solutions
julsineya [31]3 years ago
5 0
Change x+y=5 to y=5-x
x+5-x=-3
0=-8
The answer is no solution. :)
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Shelly is a baker she is using batter to make pancakes. Which is the dependent variable the batter or the pancakes. Which is the
Nesterboy [21]

Answer:

The Pancakes are actually dependent while the Batter is Independent because your are changing the batter. Think of I change in an Independent variable. You cant really change the outcome which is the dependent.

Step-by-step explanation:

4 0
3 years ago
What is the cube root of 8​
alina1380 [7]

Answer:

its 2

Step-by-step explanation:

because 2*2*2 is 8

6 0
3 years ago
Find the equation of the line between (7,−9) and (5,6) in slope intercept form.
poizon [28]
Set y=ax+b pass (7,-9) (5,6)
=》-9=7a+b
6=5a+b
=》2a=-15
a=-15/2
b=6-5a=6+37.5=43.5
=》y= -15/2(x)+43.5
2y+15x=87
5 0
3 years ago
Read 2 more answers
A plumber uses the expression 48 + 25h to determine the number of dollars to charge each customer. If h = 4, how much does the c
Firdavs [7]

Answer:

You just need to substitute 4 in for h.

So 48 + 25(4) = 48 + 100 = 148

4 0
3 years ago
Read 2 more answers
The number of boys in a school is 120% the number of girls at the school. Find the number
KiRa [710]

Answer:

66 girls

Step-by-step explanation:

Givens:

●120% boys of girls

▪︎1.2 × g

☆when g is the number of girls

●80 boys

▪︎meaning you can set up a proportion

Solving:

g × 1.2 = 80

g=80/1.2

g=66.66

So, since you can't go over percent, the answer is 66.

Checking:

g × 1.2 = 80

66 × 1.2 = 80

80=80✅

6 0
3 years ago
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