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anzhelika [568]
3 years ago
14

Solve systems of equations algebraically x+4y=3 and 2x-3y=17 what is the system of equations

Mathematics
1 answer:
Snezhnost [94]3 years ago
6 0
Type the equations to a website called maths papa-using their algebra calculator, i highly recommend it, it shows all the working clearly and the answers are always correct
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3 years ago
Please answer each one. <br><br><br> Disclaimer: don't do it for points
Gre4nikov [31]

Answer:

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for question 2 the answer is 0.75 cm  

for question 3 the answer is 2.3 inches  

for question 4 the answer is 3.3 inches  

for question 5 the answer is 4 cm  

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3 years ago
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creativ13 [48]

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6 0
3 years ago
The base of a pyramid is a rectangle with a width of 4.6cm and a length of 9cm.What is the height,in centimeters of the pyramid
den301095 [7]

Answer:

Step-by-step explanation:

The formula for determining the the volume of a rectangular base pyramid is expressed as

Volume = 1/3 × base area × height

From the information given,

Length of base = 9 cm

Width of base = 4.6 cm

Area of base = 9 × 4.6 = 41.4 cm²

Volume of pyramid = 82.8cm³

Therefore

82.8 = 1/3 × 41.4 × height

82.8 = 13.8 × height

Dividing both sides of the equation by 13.8, it becomes

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4 0
3 years ago
Factors of x3 – 9x2 + 5x – 45 by grouping
kati45 [8]
Important:  Use the symbol "^" to denote exponentiation:

<span>x3 – 9x2 + 5x – 45        NO
</span><span>x^3 – 9x^2 + 5x – 45    YES

Look at the first 2 terms.  They can be rewritten as x^2(x-9).  Then look at the last 2 terms.  They can be rewritten as 5(x-9).  So, x-9 is the common factor here.   Thus, the original expression becomes:

(x^2-5)(x-9).

Note that x^2-5 can be factored, so that the final 3 factors are:

(x-sqrt(5)), (x+sqrt(5)), (x-9).</span>
8 0
3 years ago
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