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Sedbober [7]
3 years ago
12

'Here are 5 number cards, '2' '5' '7' '8' '9'. One of the cards is removed and the mean average of the remaining 4 cards is 6. W

hich card was removed (Please show your working).

Mathematics
1 answer:
Romashka [77]3 years ago
7 0

Answer:

9

Step-by-step explanation:

'Here are 5 number cards, '2' '5' '7' '8' '9'. One of the cards is removed and the mean average of the remaining 4 cards is 6. Which card was removed (Please show your working).

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If i clock out at 1:46 and i have 30 Minutes what time do i go in?
Evgesh-ka [11]
You can use a calculator for the response I think you should divide
3 0
3 years ago
Between the time Iko woke up and lunchtime, the temperature rose by 11 degrees. Then by the time he went to bed, the temperature
brilliants [131]

Answer:

T_t=x\textdegree-3\textdegree

Step-by-step explanation:

let x° be temperature when he woke up. Given that the temperature rose  by 11° then later dropped by 14°. Also let T_t be temperature at time t The temperature relative to time of waking up can be expressed as:

T_t=x\textdegree \pm \bigtriangleup T\textdegree\\\\T_t=x\textdegree + 11\textdegree -14\textdegree\\\\T_t=x\textdegree-3\textdegree

Hence, temperature relative to time of waking up is expressed as

T_t=x\textdegree-3\textdegree

7 0
3 years ago
A=? if a+3:7+a and 4:5 are equal
krok68 [10]

Answer:

No they are not equal;

a = -13

Step-by-step explanation:

Here, we want to find the value of a

We are gong to use the ratio given

That will be;

a + 3/ 7 + a = 4/5

5(a + 3) = 4(7 + a)

15 + 3a = 28 + 4a

4a - 3a = 15-28

a = -13

8 0
3 years ago
List the elements in the set . Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}.
alexandr1967 [171]
(AUB) implies not in A or not in B
{r,t,v,x}
8 0
3 years ago
If you have 12 customers in a lawn care business, what is the minimum number of times you need to mow per customer each month to
Trava [24]
I believe the answer would be D. Because, 10*12= 120 and 400/120= 3.33 
Since you are talking about money, you would round up. 

Meaning that the answer should be D.
7 0
4 years ago
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