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suter [353]
4 years ago
6

Jim has $700 in savings at the beginning of Summer he wants to have at least $300 in savings when he goes to buy back to school

clothes he withdraws $25 per week for spending money how many weekends can he withdraw his amount and still have the amount he wants to buy back to school clothes
Mathematics
1 answer:
andreyandreev [35.5K]4 years ago
5 0
25$ times 4 is $100, and 700-300 is 400 so I'd say 4 × 4 = 16 weeks because 25 times 4 is 100 and 100 times 4 is 400
so 16 weeks of withdrawing 25 dollars leaves him 300 dollars
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garri49 [273]

Answer:

Step-by-step explanation:

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3 years ago
3(t−2)=−1 What value of t t makes the following equation true?
pashok25 [27]

Answer:

t=5/3

Step-by-step explanation:

in order to get our answer, we have to first open it up which comes to 3t-6=-1

next,we have to isolate the variable, so we add (6) to (-1)

then we get 3t=5

so, t=5/3

4 0
4 years ago
The absolute value function, f(x) = –|x| – 3, is shown. What is the range of the function? all real numbers all real numbers les
Harman [31]

Answer:

  all real numbers less than or equal to –3

Step-by-step explanation:

Look at the y-values that the graph shows. There are none greater than -3. Any value of -3 or less is possible.

5 0
3 years ago
Read 2 more answers
A grain silo has the shape of a right circular cylinder surmounted by a hemisphere. If the silo is to have a volume of 505π ft3,
Romashka-Z-Leto [24]

Answer:

radius   x  = 3 ft

height   h = 23,8  ft

Step-by-step explanation:

From problem statement

V(t)  = V(cylinder) + V(hemisphere)

let x be radius of base of cylinder (at the same time radius of the hemisphere)

and h the height of the cylinder, then:

V(c)  = π*x²*h       area of cylinder = area of base + lateral area

                                              A(c)  = π*x²  +   2*π*x*h

V(h) = (2/3)*π*x³   area of hemisphere   A(h)  =   (2/3)*π*x²

A(t)  =  π*x²  +   2*π*x*h +   (2/3)*π*x²

Now A as fuction of x    

total volume   505  = π*x²*h  +  (2/3)*π*x³

h = [505 - (2/3)* π*x³ ]  /2* π*x    

Now we have the expression for A as function of x

A(x) =  3π*x² + 2π*x*h     A(x) = 3π*x² + 505  - (2/3)π*x³

Taking derivatives both sides

A´(x) =  6πx -  2πx²              A´(x) =  0         6x  - 2x²  = 0

x₁  =  0  we dismiss

6 - 2x = 0

x = 3     and   h = [505 - (2/3)* π*x³]/2* π*x

h  =  (505 - 18.84) / 6.28*3

h  = 23,8  ft

7 0
3 years ago
What is the slope intercept form of the points -3,-10 and 5,14
Ksenya-84 [330]

Answer:

y = 3x - 1

The slope intercept is -1.

To find the slope, do the formula (y sub2 minus y sub1)/(x sub2 minus x sub1) then reduce.

(14 - (-10))(5 - (-3)) = 24/8

24/8 = 3

4 0
2 years ago
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