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Neporo4naja [7]
3 years ago
11

Someone plz help me here ;-; it’s due today! I have another due today plz help I have to redo this one cause I got one wrong ;-;

Mathematics
2 answers:
Alja [10]3 years ago
7 0

Answer:

I think It is D

AVprozaik [17]3 years ago
3 0

Answer:

It's D.

Step-by-step explanation:

I'm pretty sure about the answer.thank u

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Explain your answer !! <br> Have a nice day <br><br> Will give braisnlt
natali 33 [55]

Answer:

Equations:

4H + 3P = 13.75

2H + 5P = 11.25

H = 2.50 --- Hot dog

P = 1.25 --- Pretzel

Step-by-step explanation:

Represent hot dogs with H and Pretzels with P.

For Tina:

4H + 3P = 13.75

For Doug:

2H + 5P = 11.25

Solving for the price of both items:

We have:

4H + 3P = 13.75 --- (1)

2H + 5P = 11.25 --- (2)

Multiply (2) by 2

2 * (2H + 5P = 11.25)

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

4H + 10P = 22.50 --- (3)

Subtract (3) from (1)

4H + 3P = 13.75

4H + 10P = 22.50

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

4H - 4H + 3P - 10P = 13.75 - 22.50

3P - 10P = 13.75 - 22.50

-7P = -8.75

Solve for P

P = \frac{-8.75}{-7}

P = 1.25

Substitute 1.25 for P in (2)

2H + 5P = 11.25

2H + 5 * 1.25 = 11.25

2H + 6.25 = 11.25

Collect Like Terms

2H = 11.25-6.25

2H = 5

Solve for H

H = \frac{5}{2}

H = 2.50

5 0
2 years ago
Selina bought a shirt on sale that was 20% less than the original price. The original price was 5 more than the sale price. What
earnstyle [38]
Let us assume the original price of the shirt = x
Let us assume the sale price of the shirt = y
20x/100 = y
x/5 = y
x = 5y
Now the second equation that we get is
x = y + 5
5y - y = 5
4y = 5
y = 5/4
Now putting the value of y in the first equation we get
x = 5y
  = 5 (5/4)
  = 25/4
  = 6 1/4
Then we can say that the original price of the shirt was 6 1/4. The main trick of this problem lies in the words that have been used in the question. It is important to understand the question first before starting to solve the problem.
8 0
3 years ago
Please help.. pleaseeee
Luba_88 [7]
False
true
false
false
7 0
3 years ago
Read 2 more answers
Use a graphing calculator to find the solution 3^-x=x^3+x
-Dominant- [34]
The answer is 
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7 0
3 years ago
Suppose that m∠MKN = 55°. What is m∠MCN?<br> !please no absurd answers!
Elena L [17]

Answer:

angle M and N are right angles

we can draw a line joining M and N  

so we’d have a triangle MNC AND KMN

both MNC AND KMN BECOME ISOSCELES TRIANGLES

so since we have 55 degrees for angle MKN. We have to find the other 2

180-55=125

now divide by 2 to get 62.5 for each of the remaining sides of triangle KMN

now to find the sides of triangle MNC

90-62.5= 27.5

27.5*2= 55

180-55=125=angle C

(sorry, it’s complex)

6 0
3 years ago
Read 2 more answers
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