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3 years ago

Which number below makes each equation true (look at photo)

Mathematics

1 answer:

telo118 [61]3 years ago

4 0

 

7

n² - 16n + 63 = ( n - 7 ) ( n + 0 )

Isolate the variable by dividing each side by factors that don't contain the variable.

n=7

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If a circle has a diameter of 44ft, what is the radius and circumference? Round to the nearest hundredth.

lara31 [8.8K]

Answer:

Radius: 22 Circumference: 138.23

Step-by-step explanation:

The radius is half of the diameter so 44/2 is 22.

The circumference can be found by 2*pi*r or pi*d.

$2\pi22$ or $\pi 44$

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3 years ago

Question 36 of 45

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3 years ago

Find the nonpermissible replacement for y in the expression y-3/y+3

Nastasia [14]

Answer:

The nonpermissible replacement of the variable y is -3

Step-by-step explanation:

The nonpermissible replacement of the variable in a certain expression is the value of the variable that will make the denominator of the expression zero.

The expression $\dfrac{y-3}{y+3}$ has the denominator $y+3.$

This denominator cannot be equal zero, thus,

$y+3\neq 0,\\ \\y\neq -3.$

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3 years ago

Triangle RSV is congruent to triangle TVS. Find y

diamong [38]

ΔRSV ≡ ΔTVS

⇒ Line ST ≡ Line RV

Solve y:

4y - 2 = 25

4y = 27

y = 6.75

Answer: y = 6.75

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3 years ago

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If 3/8 of the perimeter of an equilateral triangle is 6ft what is the lenght of one side? Draw a picture

tester [92]

3/8 * 2 = 6/16, One side is 16ft. The total perimeter is 48 ft.

   /\
   16 ft. -> / \
/    \
----------
That's my best triangle. :)

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4 years ago

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