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irinina [24]
3 years ago
6

A triangle can be right angled and scalene. true or false

Mathematics
1 answer:
Korolek [52]3 years ago
7 0
False, because a right angled triangle has two congruent sides since it is 90 degrees and the definition of a scalene triangle: (has no congruent sides) makes it not possible.
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Jack has $205, and he is spending $2 each day. Which algebraic expression describes this situation, where d represents the numbe
xxTIMURxx [149]
205-2d

That's the expression.  205 you start with, every day, you add two, so 2*d is logical.
4 0
3 years ago
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Find the amount in an account if 7,650 is invested at 9.15 percent compounded quarterly for 8 years and 6 months
storchak [24]

We have been given that in an account an amount of 7,650 is invested at 9.15 percent compounded quarterly for 8 years and 6 months.

We will use compound interest formula to find our answer.

A=Pcdot(1+\frac{r}{n}) ^{nT},

Where, P= principle amount, A= amount after T years, n= period of compounding and r = interest rate (decimal).

Let us substitute our given values in our formula.

A=7650(1+\frac{0.0915}{4} )^{(8.5\times4)}  

A=7650(1+0.022875)^{34}

A=7650(1.022875)^{34}  

A=7650\cdot 2.15758136398

A=16505.4974    

Therefore, after 8 years and 6 months our amount will be 16505.497.


7 0
3 years ago
A line passes through (-2,5) and has slope. What is an equation of the line in point-slope form?
shepuryov [24]

Answer:

Step-by-step explanation:

since the question does not have a given slope you can just put the point into the point slope formula   y-y1 = m(x-x1)  

y-5 = m(x-(-2))

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since the slope is not given, leave it like that

4 0
3 years ago
3. A penny is made by combining 0.1 g of a copper alloy that costs $5.50 per kilogram (1000 grams) with
lbvjy [14]
.0001*5.5 + 1.5*x = 2
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6 0
3 years ago
File attached <br> Please help
Lubov Fominskaja [6]

Answer:

the answer is C, 369

Step-by-step explanation:

1. divide 800 by 40 which will give you 20

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the reason I did this was because if you had multiplied math, physics and chemistry by 20 it would have given you the total of 800 trials

3 0
3 years ago
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