All categories

3 years ago

Find the area of each circle. Round to the nearest tenth. Use 3.14 for π.

Mathematics

1 answer:

joja [24]3 years ago

3 0

Answer:

1. 490.6 mm²

2. 14.1 ft²

Step-by-step explanation:

1. 3.14×(12.5)²= 3.14 × 156.25 =490.6mm²

2. ½×3.14×3²= 3.14×4.5= 14.1 ft²

You might be interested in

Find the check digit d for my box of candy with 0-79200 92839-d.

Rina8888 [55]

Answer:

what do i have to do

Step-by-step explanat

8 0

4 years ago

*PLS HELP!!* {The Picture Is In The Attachment}

ivann1987 [24]

Answer:

Step-by-step explanation:

Supplementary angles add up to 180

∠1 + 50 = 180

∠1 = 180 - 50

∠1 = 130

∠3 +50 = 180 {Supplementary}

∠3 = 180 - 50

∠3 =130

⇒∠1 = ∠3 = 130

3 0

2 years ago

Read 2 more answers

Solve each system of equations.<br><br> 4x + 6y = 8<br> 5x – 4y = 25

Lubov Fominskaja [6]

$\left \{ {{4x+6y=8} \atop {5x-4y=25}} \right. \\ \left \{ {{4x+6y=8} \atop {5x=25+4y}} \right.\\ \left \{ {{4x+6y=8} \atop {x=5+0.8y }} \right. \\ \left \{ {{4(5+0.8y)+6y=8} \atop {x=5+0.8y }} \right. \\ \left \{ {{20+3.2y+6y=8} \atop {x=5+0.8y }} \right. \\ \left \{ {{9.2y=-12} \atop {x=5+0.8y }} \right. \\ \left \{ {{y= -\frac{12}{9.2} } \atop {x=5+0.8y }} \right. \\ \left \{ {{y= -\frac{120}{92} } \atop {x=5+0.8(-\frac{12}{9.2}) }} \right. \\$
$\left \{ {{y= -1\frac{28}{92} } \atop {x=5-\frac{96}{92} }} \right. \\ \left \{ {{y= -1\frac{7}{23} } \atop {x=5-1\frac{1}{23} }} \right. \\ \left \{ {{y= -1\frac{7}{23} } \atop {x=4\frac{1}{23} }} \right. \\$
$\boxed{(x; y)=(4\frac{1}{23}; -1\frac{7}{23}) }$

8 0

3 years ago

NEED HELP WITH THESE 3 QUESTIONS, NEED QUICK WILL GIVE BRAINLIST!

True [87]

Answer:

not saying this to get brainlist just helping it is b i think

Step-by-step explanation:

5 0

3 years ago

The original price of a computer was $651. The store reduced the price of the computer by 35%.

NeTakaya

Answer:

it was discounted by $227.85

Step-by-step explanation:

8 0

3 years ago