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3 years ago

Can somebody help me please

Mathematics

1 answer:

azamat3 years ago

4 0

Answer:

It’s in between 95 and 100

Step-by-step explanation:

Not sure where though

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A rectangle has a length of 72 cm and a width of 56 cm. The other rectangle has the same area as this one, but its width is 21cm

andrew-mc [135]

Answer: I think it’s 4032

Step-by-step explanation:

8 0

4 years ago

Sound travels through air at about 344 meters per seconds when the temp. is 20 degrees c. If Enrique lives 2 kilometres from the

Vaselesa [24]

Answer:

(344*20) + ( 2*20) = (20*2) = ?

Step-by-step explanation:

8 0

3 years ago

Find the value of x. (picture)

Hoochie [10]

Answer:

x = 23

Step-by-step explanation:

Remember, angles in a triangle add up to equal 180

That being said we can create an equation to solve for x

180 = 110 + 35 + x + 12

now we solve for x

step 1: combine like terms

110 + 35 + 12 = 157

now we have 180 = 157 + x

step 2 subtract 157 from each side

180 - 157 = 23

157 - 157 cancels out

we're left with x = 23

5 0

3 years ago

2x - 2y = 12 29. - 3y = -2

Sophie [7]

Olá boa tarde meu nome é "Guilherme" sou de Brasil e vou resolver a sua pergunta

a ) 2x - 2y = 12

{ a 2

{ b 2

{ c 12

/\ = b elevado 2 -4 a.c

/\ = (2) elevado 2 -4 . 24

/\ = 4 -4 . 24

/\ = 24

X = -b+/ /\ = 2 - 5

2a 2

5

S = {20,10}

b) 29. - 3y = -2

{ a = 29

{ b = -3

{ c = -2

/\ = b elevado 2 -4 a.c

/\ = (-6) -4 . 58

/\ = -10 . 58

/\ = -48

X = b + / /\ = -3 + 24

5

S = { 15,15}

Espero ter ajudado

2a 2

3 0

3 years ago

X2 -5x+6 To solve a quadratic equation, start by factoring,

Y_Kistochka [10]

Answer:

$x=2$ OR $x=3$

Step-by-step explanation:

Given equation:

$x^2 -5x+6=0$

Solving the equation for 'x':

Using factorization method:

$x^2-2x-3x+6=0$

Making the factors by taking common:

$x(x-2)-3(x-2)=0\\(x-2)(x-3)=0$

$x-2=0\\\\x=2$

$x-3=0\\\\x=3$

3 0

3 years ago