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saw5 [17]
3 years ago
15

I need help with this.

Mathematics
2 answers:
choli [55]3 years ago
7 0

Answer:

 √125

Step-by-step explanation:

(0,0) (10,5)=(x1,y1) (x2,y2)

 √(x2-x1)²+(y2-y1)²

 √(10-0)²+(5-0)²

 √10²+5²

 √100+25

 √125

svet-max [94.6K]3 years ago
3 0

Answer:

y = \frac{1}{2}x

Step-by-step explanation:

identify two points on the line: (2, 1) (4, 2) to find the slope(\frac{y2 - y1 }{x2 - x1}) for the line

=> \frac{2- 1}{4-2} => \frac{1}{2}

find the y-intercept:

=> 0

substitute the slope and y-intercept into the equation y = mx + b

                                                                                      slope ↑       ↑ y-intercept    

=> y = \frac{1}{2}x + 0

=> y = \frac{1}{2}x

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in a basket of carrots 12% of them are rotten if 42 carrots are rotten how many carrots are in the basket​
meriva

Answer:

356 hope this is correct :)

Step-by-step explanation:

7 0
2 years ago
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Use the zero product property to find the solutions to the equation 2x2 + x-1 = 2
algol [13]

Answer:

see explanation

Step-by-step explanation:

Given

2x² + x - 1 = 2 ( subtract 2 from both sides )

2x² + x - 3 = 0

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 2 × - 3 = - 6 and sum = + 1

The factors are - 2 and + 3

Use these factors to split the x- term

2x² - 2x + 3x - 3 = 0 ( factor the first/second and third/fourth terms )

2x(x - 1) + 3(x - 1) = 0 ← factor out (x - 1) from each term

(x - 1)(2x + 3) = 0

Equate each factor to zero and solve for x

x - 1 = 0 ⇒ x = 1

2x + 3 = 0 ⇒ 2x = - 3 ⇒ x = - \frac{3}{2}

3 0
2 years ago
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Use basic identities to simplify the expression.<br> cos θ - cos θ sin2θ
Fynjy0 [20]
Cos Ф - cos Ф.sin² Ф

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cos Ф - cos Ф.sin² Ф = cos³ Ф
7 0
3 years ago
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Can someone help me with this, thanksssss
Effectus [21]

Answer:17

Step-by-step explanation:Follow pemdas.

Start with parentheses which is (5+2) which gives you 7.

Now next in Pemdas is Exponents. SO do 2 to power of 2 which is 4 .Then do 3 to  the power of 3  which is 27.Next add 4 to 27 which is 31.so now do 7 times 2 is 14.Then take 31 and subtarct it from 14 which gives you 17.

Look at pic to see clearly how it was solved and the steps. I color code it to show the steps.

3 0
2 years ago
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the length of a rectangle is 9 centimeters more than the width. the area is 112 square centimeters. find the length and width of
NeX [460]
Here,
let width(b)be x then,
length (l)=9cm+x
area =112 sq cm
now,
area of rectangle=l*b
or, 112=(9+x)x
or, 112=9x+x^2
or, 0=x^2+9x-112
or, 0=x^2+(16-7)x-112
or, 0=x^2+16x-7x-112
or, 0=x(x+16)-7(x+16)
or, 0=(x-7)(x+16)
either,
0=x-7
or,7=x
x=7cm
Or,
0=x+16
or, -16=x
x= -16[impossible,as distance is never negative] so,
x=7cm
therefore,length = 7cm + 9 cm = 16cm and width = 7cm.
;)







8 0
3 years ago
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