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Naya [18.7K]
3 years ago
10

HELPPP PLEASEE!!! ANSWERS QUESTIONS IN RETURN!!!

Mathematics
1 answer:
Dimas [21]3 years ago
6 0

Answer:

`sis that ship looks so flawking hard

Step-by-step explanation:

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Luana bought a new phone and plan. She paid $175. after three months, She paid $295. after 6 months. Write an equation that mode
elixir [45]

Answer: Hence, our required model will be

C=40m+55

Explanation:

Since we have given that

Luana bought a new phone and

For 3 months, the amount she paid = $175

For 6 months, the amount she paid = $295

Now, we have to model an equation ,

Here, let cost be 'C' and

Let number of months be 'm'.

So, we will use the "equation of line" i.e. for two point slope form :

Here y represented by 'C' and x represented by 'm'

So,

C-C_0=\frac{295-175}{6-3}(m-m_0)\\\\C-175=\frac{120}{3}(m-3)\\\\C-175=40(m-3)\\\\C-175=40m-120\\\\C=40m-120+175\\\\C=40m+55

Hence, our required model will be

C=40m+55

6 0
3 years ago
I need help pls !!! This is kinda of hard so pls
Yuliya22 [10]

(x+4)

Hope this helps! If it is wrong, or is lacking clarification, don't hesitate to ask for help!

7 0
3 years ago
Read 2 more answers
Solve the system by substitution<br> 5x+y=-14<br> 5x- 3y=2
dlinn [17]

Answer:

x = -2, y = -4, or (-2, -4).

Step-by-step explanation:

5x + y = -14

5x - 3y = 2

If we look at the first equation, we can see that y can be easily isolated.

5x + y = -14

Subtract 5x from both sides.

y = -5x - 14

Now we have a variable that we can plug into the second equation.

5x - 3y = 2

5x - 3(-5x - 14) = 2

Distribute the -3 across each term in the parentheses.

5x + 15x + 42 = 2

Combine like terms.

20x + 42 = 2

Subtract 42 from both sides.

20x = -40

Divide both sides by 20 to isolate x.

x = -2

Plug in x = -2 back into one of the equations to find y.

y = -5x - 14

y = -5(-2) - 14

Multiply.

y = 10 - 14

Subtract.

y = -4

Our solution is x = -2, y = -4, or (-2, -4).

Check your answer by plugging both values into one of the equations.

5x - 3y = 2

5(-2) - 3(-4) = 2

-10 + 12 = 2

2 = 2

Your answer is correct.

Hope this helps!

8 0
3 years ago
A flagpole casts a showdown 15 feet long the 6 foot tall man casts a shadow 4 feet long how tall is the flag pole
Neko [114]
Set it up as a ratio:
mans shadow over mans height (4/6 ) equals flag pole shadow over flag pole height (15/x)

set them to equal each other:

4/6 = 15/x

cross multiply: 4*x =4x, 15*6 = 90

so you have 4x = 90

now divide both sides by 5 to solve for x, which is the height of the flag pole:

x = 90 / 4 = 22.5 feet tall
5 0
3 years ago
Grade 7 students were surveyed to determine how many hours a day they spent, on average, doing various activities. The results a
otez555 [7]
Hello,

There are 24 hours in a day. If 25% of your day is spent at school, then you spent (24)(0.25) = 6 hours at school.

If 8% of your day is spent eating, then you spent (24)(0.08) = 1.92 hours eating.

Together, this is 6 + 1.92 = 7.92 hours ≈ 7.9 hours spent at school and eating in one day.

Hope this helps!
6 0
3 years ago
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