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azamat
3 years ago
10

I sell cookies for $3 and muffins for $7. Yesterday, I made $129. I sold a total of 27 items. How many of each did I sell?

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
5 0
12 muffins and 15 cookies are the answer
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What are the x- and y-intercepts of the graph of 5x-4y= -20
lakkis [162]

To find the intercepts, we can set the opposite variable equal to 0 and solve.

Let's find the x intercept first.

5x - 4(0) = -20

5x = -20

Divide both sides by 5.

x = -4

<h3>The x intercept is -4.</h3>

Now let's find the y intercept.

5(0) - 4y = -20

-4y = -20

Divide both sides by -4.

y = 5

<h3>The y intercept is 5.</h3>
7 0
3 years ago
Read 2 more answers
Determine the ordered pair that satisfies the equation, 2x - 8y = -9.
Mama L [17]
You need another equation, other wise x can be anything, and y can be infinitely different solutions.
8 0
3 years ago
Help me and I’ll give brainliest! Plsss
olganol [36]
Answer:
(#14 - supplementary) x = 10.5
(#15 - supplementary) x = 10

Explanation:
For these problems, we must know that a supplementary angle can be viewed as a sum of angles that add to 180 degrees. With this known, we can write our equations to find x.

(#14)
15x - 12 + 5x - 18 = 180
20x - 30 = 180
20x = 210
x = 10.5

(#15)
6x + 13 + 14x - 33 = 180
20x - 20 = 180
20x = 200
x = 10

Hope this helps.

Cheers.
4 0
2 years ago
No links pls
asambeis [7]

Answer:

Positive 1 over 6 raised to the 2nd power 1/62 or 1 over 36 which is 1/36. To find -6-2, take the inverse of -62.

(first find -62) -62 = -6 * -6 = 36

(then take the inverse of 36, which is 1 over 36) = 1 / 36 = 0.0277

so, -6-2 =0.0277

Step-by-step explanation:

3 0
3 years ago
Find the value of 2x + 8y when x = - 5 and Y = 6​
mestny [16]

i think the answer is -50 but im

not sure  

8 0
3 years ago
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