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artcher [175]
3 years ago
10

(100-2x)\2 =,<,or> 4x(x + 1

Mathematics
1 answer:
saveliy_v [14]3 years ago
8 0
X= -5/8-5/8√33 or x= -5/8+5/8 √<span>33</span>
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The product (x) of two numbers is 24 and their sum (+) is 10. What is the value of the largest of the two numbers?
RideAnS [48]

let the two numbers be x and y

From the first sentence,

xy=24

x+y=10

Then make y in equation 2 the subject of the formular and substitute in equation 1

x+y=10

y=10-x

substituting in equation 2

x(10-x)=24

open the bracket

10x-x^2=24

=-x^2+10x=24

Transfer the constant to the left hand side

=-x^2+10x-24=0

Then factorise completely

Look at the photo above

4 0
3 years ago
How can i converted 4 7/10 to an improper fraction
BartSMP [9]
The whole number multiply by the denominator and add to the numerator.

4\dfrac{7}{10}=\dfrac{4\cdot10+7}{10}=\dfrac{40+7}{10}=\dfrac{47}{10}
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d1i1m1o1n [39]

Step-by-step explanation:

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5 0
3 years ago
Definition of Line segment
klemol [59]
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3 0
3 years ago
Write the explicit formula for the geometric sequence.<br><br> a1 = -5 a2 = 20 a3 = -80
Anni [7]
a_1 = -5;\ a_2 = 20;\ a_3 = -80 \\\\a_2:a_1=r\ and\ a_3:a_2=r\\\\r=20:(-5)=-4\ check\ r=-80:20=-4\\\\a_n=a_1r^{n-1}\to a_n=-5\cdot(-4)^{n-1}=-5\cdot(-4)^{-1}\cdot(-4)^n\\\\=-5\cdot\left(-\dfrac{1}{4}\right)\cdot(-4)^n=\dfrac{5}{4}\cdot(-4)^n\\\\Answer:\boxed{a_n=-5\cdot(-4)^{n-1}\ other\ a_n=\frac{5}{4}\cdot(-4)^n}
6 0
3 years ago
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