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3 years ago

Select all the correct answers.

Mathematics

1 answer:

PSYCHO15rus [73]3 years ago

3 0

Answer:

it looks like B and E

Step-by-step explanation:

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Answer:

blue line 0-(3)=-3

Red line -3-(6)=-9

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3 years ago

What is (radical 75 y 19 ) in the simplest form.

Liono4ka [1.6K]

Answer:

7519 is already in the simplest form. It can be written as 3.947368 in decimal form (rounded to 6 decimal places).

Step-by-step explanation:

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3 years ago

Select all equations that have two solutions. a x^2=16 b 4x^2=0 c x^2=-16 d 3x+2=14 e x^2-1=24 f (x+8)(x-8)=0

never [62]

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a )

${x}^{2} = 16$

$x = ± \: 4$

Two solutions.

_________________________________

b )

$4 {x}^{2} = 0$

$x = 0$

One solution .

_________________________________

c )

${x}^{2} = - 16$

$No \: \: solution.$

_________________________________

d )

$3x + 2 = 14$

$x = 4$

One solution.

_________________________________

e )

${x}^{2} - 1 = 24$

${x}^{2} = 25$

$x =± \: 5$

Two solutions.

_________________________________

f )

$(x + 8)(x - 8) = 0$

$x = - 8 \: \: or \: \: x = 8$

Two solutions .

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3 years ago

You have 9 medals.<br> You have 9 fewer than your friend. How<br> many medals does your friend have?

Ivan

Your friend has 18 medals.

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3 years ago

Which equation calculates the number of 1/3-foot pieces that can be cut from a piece of

harina [27]

Answer:

$7:\dfrac{1}{3}=21$ pieces

Step-by-step explanation:

Suppose you have a 7 feet long wood.

You need to find how many $\frac{1}{3}$ -foot pieces can be cut from this wood.

To find this number of pieces, you have to divide the whole length of the wood by the length of one piece:

$7:\dfrac{1}{3}=\dfrac{7}{1}\cdot \dfrac{3}{1}=21$

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3 years ago