3 years ago

I WILL GIVE BRAINLIEST FOR RIGHT ANSWER

Mathematics

2 answers:

Alexxx [7]3 years ago

8 0

Answer:

The scale factor is = 1.5

Step-by-step explanation:

Trust me bro

Talja [164]3 years ago

4 0

Answer:

The answer is 1.5

Step-by-step explanation:

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-x-5y-5z=2<br> 4x-5y+4z=19<br> x+5y-z=-20

Leno4ka [110]

(x,y,z) = (-2, -3, 3)

8 0

3 years ago

Which shows how to solve the equation 3/4x=6 for x in one step?

a_sh-v [17]

Well going off what I know (you don't have the equations up)

You have to isolate x

3/4x = 6

(4) 3/4x = 6 *multiplying by 4 cancels the fraction.

3x = 24

Divide by 3

X = 6

7 0

3 years ago

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Solve using the quadratic formula:

timurjin [86]

Answer:

$\boxed{x_1 = \frac{7 + \sqrt{5} }{2} ~~or~~x_2 = \frac{7 - \sqrt{5} }{2} }$

Step-by-step explanation:

$x^2 - 7x + 11 = 0$

$x^2 - 7x = -11$

$(x - \frac{7}{2} )^2 - \frac{49}{4} = -11$

$(x - \frac{7}{2} )^2 = -11 + \frac{49}{4}$

$(x - \frac{7}{2} )^2 = \frac{5}{4}$

$x - \frac{7}{2} = \pm \sqrt{\frac{5}{4}}$

$x = \frac{7 \pm \sqrt{5} }{2}$

3 0

3 years ago

If four times a number plus 3 is 11, what is the number? A. 16 B. 5 C. 2 D. 4

Natali [406]

C! All you have to do is substitute the numbers into the problem!

7 0

4 years ago

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A copy machine can print

Y_Kistochka [10]

Answer:

1200 copies

Step-by-step explanation:

We can use ratios to solve

480 copies x copies

------------------ = -------------

4 minutes 10 minutes

Using cross products

480* 10 = 4x

Divide each side by 4

4800/4 = 4x/4

1200 =x

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4 years ago

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