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guapka [62]
2 years ago
12

Can u help me figure this out lol

Mathematics
1 answer:
Evgesh-ka [11]2 years ago
4 0

Answer:

Cost of a T-shirt is £4
Cost of a Hat is £1

Step-by-step explanation:

Let T be the cost of each T-shirt and H the cost of each hat

We get two equations based on the cost description

3T + 2H = 14 ...... (1)
2T + 7H = 15 ...... (2)

Multiply (1) by 2 and (2) by 3 so that the T terms are the same
(1) x 2  ==> 6T + 4H = 28  ...  (3)
(2) x 3 ==> 6T + 21H = 45 ... (4)

Subtract (3) from (4) to eliminate the T terms
21H - 4H = 45 - 28 or 17H = 17 ==> H = 1

Substituting the value of H in either (1) or (2) will give us a value for T
Substitute in (1)
3T + 2*1 = 14 ==> 3T = 12, T = 4

Check
In (1) 3 *4 + 2 *1 = 14
In (2) 2*4 + 7*1 = 15
So satisfies both equations


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Answer:

Already answered but oh well

It's -4

5 0
3 years ago
A television game show begins with 20 contestants. Each week, the players vote 2 contestants off the show. What is the rate of c
nadya68 [22]

Using a linear function, it is found that the rate of change in this problem situation is of -2 contestants per week.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

Considering the situation described, the number of participants after n weeks is given by:

N(n) = 20 - 2n.

The slope is of -2, hence the rate of change in this problem situation is of -2 contestants per week.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

6 0
2 years ago
Can someone please help me on these questions!!!
34kurt

Answer:

#1 is 28

Step-by-step explanation:

Set the perimeters equal, as 6x - 2 = 8x - 12, solve for x = 5, and plug in.

3 0
3 years ago
I need help pls pls I will really appreciate it also l need it step by step pls l will mark you the brainly! pls help!
PIT_PIT [208]

Answer:

1. 8.5

2. 6.7

3. 58.8

4. 415.7

5.6.4

6. 2.5

Step-by-step explanation:

I just used a calc

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3 years ago
If f(x) = [x] – 5, what is f(8.6)?<br> 3<br> 4<br> 8<br> 9
shutvik [7]

Answer:

Step-by-step explanation:

The strange thing about the greatest integer function is that the number you are evaluating the function at is not actually the number unless its an integer.  The rule is to round down, ALWAYS, if you are dealing with a value of x that is not an integer.  In other words, you are NOT evaluating the function at 8.6, you have to round down to 8 and evaluate it there.  8 - 5 = 3

3 0
4 years ago
Read 2 more answers
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