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3 years ago

wendy cut a board into 4 pieces of equal sizes to make a table. which fraction of the whole board does each piece represent.

Mathematics

2 answers:

Ksenya-84 [330]3 years ago

4 0

1/4...25% hope this helps

katen-ka-za [31]3 years ago

3 0

Answer: Each piece would be 1/4 or 25%

Step-by-step explanation:

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Number 21 please and thank you

olga2289 [7]

Answer:

$\frac{5}{6}$

Step-by-step explanation:

sin =opposite/hypotenuse

sinQ=5/6

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2 years ago

Find the solution for the quadratic equation by completing the square.<br> x^2+18x=63

vekshin1

Good evening ,

Answer:

Step-by-step explanation:

x²+18x=63 ⇌ x²+18x+81 = 63 + 81

⇌ (x+9)² = 144 ⇌ (x+9)² = 12² ⇌ (x+9-12)(x+9+12) = 0

⇌ (x-3)(x+21) = 0

⇌ x=3 or x=-21.

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3 years ago

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Greg drove 386 miles and used 20 gallons of gas.His car averaged how many miles per gallon?

frutty [35]

386 divided by 20 is 19.3 so Greg averaged 19.3 miles per gallon.

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2 years ago

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The ratio of clown fish to angel fish at a pet store is 5:4 . The ratio of angel fish to gold fish is 4:3. There are 60 clown fi

SVEN [57.7K]

A) 60 Clown fish / 5 = 12
12 x 4 = 28 Angel fish
B) 28 Angel fish / 4 = 12
12 x 3 = 36 Gold fish
C) Add all fish 28 Angel fish + 36 Gold fish + 60 Clown fish = 124 Fish in total

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2 years ago

Please help with this question!! I need serious help!!

asambeis [7]

Answer:

<h2>The circumference is multipled by 4.</h2>

Step-by-step explanation:

The formula of an area of a circle"

$A=\pi r^2$

The formula of a circumference of a circle:

$C=2\pi r$

The area multipled by 16:

$16A=16\pi r^2\\\\16A=\pi(4^2r^2)\\\\16A=\pi(4r)^2$

The radius has increased fourfold, therefore:

$C'=2\pi(4r)=4(2\pi r)=4C$

The circumference is multipled by 4.

You can calculate the area and check the circumference:

$r=11.6\ in\\\\A=\pi(11.6)^2=132.56\pi\\\\16A=(16)(134.56\pi)=2152.96\pi\ in^2$

Calculate the radius:

$\pi r^2=2152.96\pi$ <em>divide both sides by π</em>

$r^2=2152.96\to r=\sqrt{2152.96}\\\\r=46.4\ in$

Calculate the circumference of both circles:

$r=11.6\ in\\\\C=2\pi(11.6)=23.2\pi\ in$

$r=46.4\ in\\\\C'=2\pi(46.4)=92.8\pi\ in$

$\dfrac{C'}{C}=\dfrac{92.8\pi}{23.2\pi}=4\to C'=4C$

5 0

2 years ago

wendy cut a board into 4 pieces of equal sizes to make a table. which fraction of the whole board does each piece represent.​

wendy cut a board into 4 pieces of equal sizes to make a table. which fraction of the whole board does each piece represent.