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zimovet [89]
2 years ago
10

PLEASE help me out in this question

Mathematics
1 answer:
erastova [34]2 years ago
3 0

Answer:

It is A

Step-by-step explanation:

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Plzzzzz help! Will mark brainliest
zhenek [66]

Answer:

i am not 100% sure but i believ the answer is C i hope im not too late

Step-by-step explanation:

4 0
3 years ago
In a hostel, 80 students have food enough for 45 days. How many students should leave the hostel so that the food is enough for
Aleonysh [2.5K]
Say that taking a quarter of student out of the group will add a quarter present of days for food so by take 20 students out you’ll get 60 days (that’s what I got hope this helps)
4 0
3 years ago
A theater has 60 seats on the front row. There are seven additional seats in each following row.
maksim [4K]

Answer:

(a) y(x)=53+7x

(b) 179

Step-by-step explanation:

Since the first row has 60 seats and next row has 7 additional seats then we can represent it as

First row=60

Second row=60+7=67

Third row=67+7=74

The difference is always 7. If you deduct 7 from dirst row we get 60-7=53 seats

To get rhe number of seats in any row x then let y be the number of seats in row x

y=53+7(x)

For raw 1

Y=53+7(1)=60

For raw 2

Y=53+7(2)=67

Therefore, the formula for number of seats at any row will be

y(x)=53+7(x)

(b)

Using the above formula

y(x)=53+7(x)

Replace x with 18 hence

Y(18)=53+7*(18)=179 seats

5 0
3 years ago
Inverse for f(x)=1/2x+3
Semenov [28]

Answer: f^{-1}(x)=2x-6

Step-by-step explanation:

To find the inverse, we want to switch the y with x and x with y. Once we do that, we solve for y.

y=\frac{1}{2}x+3        [switch x and y]

x=\frac{1}{2}y+3        [subtract both sides by 3]

x-3=\frac{1}{2} y        [multiply both sides by 2]

y=2x-6

Now, we know that  f^{-1}(x)=2x-6.

3 0
3 years ago
Read 2 more answers
If the square root of x is greater than x then x could be
Shtirlitz [24]
Any decimal under 1, i believe.
8 0
3 years ago
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