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jeka94
4 years ago
6

Help Please! Brainliest if Correct!!

Mathematics
2 answers:
Blababa [14]4 years ago
5 0

Answer:

-1/3 or -0.3

Step-by-step explanation:

i am 100000% sure im right

Virty [35]4 years ago
5 0

Answer:

The value of the expression is -1/3 but could also be written as -0.3

Step-by-step explanation:

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Need help on this please
iren [92.7K]

Answer:

do you still need this answered?

Step-by-step explanation:

3 0
3 years ago
Find the amount of the discount on a $234 item with a 15% discount
hodyreva [135]
I believe it's
234-15%= 198.9
3 0
3 years ago
Read 2 more answers
Lines has an equation of y + 3 = 2(x + 10). Parallel to line s is line t, which passes through the point (6, 7). What is the equ
Serhud [2]

Answer:

The answer to your question is:      y = 2x - 5  

Step-by-step explanation:

Data

                                    y + 3 = 2(x + 10)

Parallel to t

Point (6, 7)

Equation of line t = ?

Process

If they are parallel, then both lines have the same slope

slope = 2                    y + 3 = 2(x + 10)

Find the equation of t

                                 y  - 7 = 2(x - 6)

                                 y = 2x - 12 + 7

                                 y = 2x - 5       Equation in slope-intercept

3 0
3 years ago
Read 2 more answers
What is the slope of 27y=3x-54?
sergij07 [2.7K]
To identify the slope of the equation given, it would be helpful to write it in the slope-intercept form. It is expressed as y = mx + b where m is the slope. We write it as follows:

<span>27y=3x-54
y = 3x/27 - 54/27
y = x/9 - 2

Therefore, the slope is 1/9. Hope this answers the question. Have a nice day.</span>
3 0
4 years ago
You need to construct an open-top rectangular box with a square base that must hold a volume of exactly 800 cm3. The material fo
sesenic [268]

Answer:

Step-by-step explanation:

Given

Volume of box is 800 cm^3

V=800 cm^3

Let the dimension of base is L\times L and height of box be h

V=L^2\times h

cost base c_1=L^2\times 5=5L^2

cost of sides c_2=(4Lh)\cdot 7

c_2=28Lh

Total Cost=c_1+c_2

C=5L^2+28Lh

C=5L^2+28L\cdot \frac{800}{L^2}

C=5L^2+\frac{800\times 28}{L}

differentiate C w.r.t L to get maximum/minimum Value

\frac{\mathrm{d} C}{\mathrm{d} L}=10L-\frac{800\times 28}{L^2}

L=13.05 cm

h=4.69 cm                

5 0
3 years ago
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