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djyliett [7]
2 years ago
9

We know that Martin is buying some apples at $0.75 each and two dozen oranges

Mathematics
1 answer:
Daniel [21]2 years ago
8 0

Step-by-step explanation:

0.75a + 2(0.90) = 27.60

is the correct answer

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Ralph and Jody go to the store to buy chips and candy bars. Ralph buys 3 bags of potato chips and 4 candy bars for 375 cents. Jo
s2008m [1.1K]
3x+4y = 375
6x+ 4y= 600
-------------------
6x-3x  = 600 - 375

3x=225
x=225:3
x=75 cents

3*x+4y= 375
3*75+4y=375
225 +4y = 375
4y=375-225
4y=150
y=150:4
y=37,5 cents

the price is 75+37,5=112,5 cents for one bag of potato chips and one candy bar

3 0
3 years ago
Need help please ..
Strike441 [17]

Answer:

x = -11

Step-by-step explanation:

I'm assuming it's an isosceles triangle so 32 + 2x = 10;

subtract 32 from both sides;

2x = -22

x = -11

3 0
3 years ago
Model and solve the following<br>equations:<br>3x +3 = 2x + 7<br>5x + 2 = 3x = 12<br>​
Thepotemich [5.8K]

hope it helps you!!!!!!!!!!

4 0
3 years ago
If mal buys $245. And Zack buys $567.who's cost more and why.
erica [24]
Well Zack's cost more because, he paid $567.00 for whatever he bought, while Mal paid $245.00 for whatever he bought.
5 0
3 years ago
Read 2 more answers
Pls help me! And explain how you found the answer pls
Dmitriy789 [7]

Answer:

y = \frac{1}{2} x - 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 22, - 14) and (x₂, y₂ ) = (- 18, - 12)

m = \frac{-12+14}{-18+22} = \frac{2}{4} = \frac{1}{2} , thus

y = \frac{1}{2} x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (- 18, - 12) , then

- 12 = - 9 + c ⇒ c = - 12 + 9 = - 3

y = \frac{1}{2} x - 3 ← equation of line

6 0
3 years ago
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