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kirill [66]
1 year ago
6

An elevator goes up to seven floor it travels down five floors from there it goes up three floors write a sum of integers that c

ould be used to determine the location of the elevator get the last four in which the elevator stops
Mathematics
1 answer:
SIZIF [17.4K]1 year ago
6 0
7-5+3=5
The elevator is on level five
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Write the equations of three distinct lines to have the same y-intercept -one
Vlad [161]

The slope-intercept form:

y=mx+b

m - slope

b - y-intercept

Answer:

y = -2x + 1

y = 0.6x + 1

y = x + 1

y = 1

y-intercept = 1

3 0
3 years ago
What is the expression 8(12x+4) equivalent to when x=20?
Elanso [62]
8 ( 12x + 4 ) = 96x + 32                                   8 ( 12x + 4 )
                    = 1920 + 32                   OR      = 8 ( 240 + 32 )
                    = 1952                                       = 1920 + 32
                                                                      = 1952
8*12x = 96x   96*20 = 1920                         
8* 4 = 32                                                       12*20 = 240
                                                                      240*8 = 1920
6 0
2 years ago
Read 2 more answers
X/3 = 8<br> 3 divided by x = 8<br> what’s the x?
anzhelika [568]

Answer:

x=24

Step-by-step explanation:

1. Multiply all terms by the same value to eliminate fraction denominators

   x/3=8

   3(x/3)=8(3)

2. Cancel multipled terms that are in the same denminator

   3(x/3)=8(3)

    x=3(8)

3. Multiply the numbers

   x=3(8)

   x=24

7 0
2 years ago
2. Suppose (220)_b and (251)_b are the squares of consecutive integers. Determine b.
Andrei [34K]

Let x and x+1 be these consecutive integers. For some base b, we can write

(x_{10})^2=220_b=2b^2+2b

((x+1)_{10})^2=251_b=2b^2+5b+1

If

x^2=2b^2+2b

then

x^2+1=2b^2+2b+1

Now,

x^2+2x+1=2b^2+5b+1

2x+2b^2+2b+1=2b^2+5b+1

\implies2x=3b

Squaring both sides gives

4x^2=9b^2

and so

4(2b^2+2b)=9b^2

\implies8b^2+8b=9b^2

\implies b^2-8b=0\implies\boxed{b=8}

(because the base has to be non-zero)

3 0
3 years ago
14. Find the solution of the initial value problem y′′ + y = F(t), y(0) = 0, y′(0) = 0, where F(t) = ⎧⎪⎨⎪⎩ At, 0≤ t ≤ ????, A(2?
Vinvika [58]
Yxgxgggffggyygfccccgyu
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2 years ago
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