3 years ago

Please helppp!! Round to the nearest hundredths

Mathematics

2 answers:

meriva3 years ago

7 0

Answer:

Step-by-step explanation:

diameter = 42 mm

radius (r) = 42/2 = 21mm

SA of semicircle = 3πr²

$=3*\frac{22}{7}*21*21\\\\=3*22*3*21\\\\=4158mm^{2}$

densk [106]3 years ago

3 0

Answer:1385.44mm sq

Step-by-step explanation: surface area of a circle = pi x radius squared

3.142 x 21 squared

You might be interested in

What's -26.3 plus -12.6

lys-0071 [83]

Your answer would be -38.9 hope that helped

6 0

2 years ago

Read 2 more answers

The given equation is either linear or equivalent to a linear equation. solve the equation. (if there is no solution, enter no s

murzikaleks [220]

2x+12=33
2x=21
x=10.5
The answer is 10.5

6 0

2 years ago

If x=5 and y=2<br> ...........................

azamat

${ \bold{ - 5}}$

${ \red{ \tt{given \: {\to}}}} \: { \bold{x = 5}} \: \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: { \bold{y = 2}}$

${ \green{ \tt{ \sqrt{10y + x} - xy}}}$

${ \green{ \tt{ \sqrt{10(2) + 5 } - 5(2)}}}$

${ \green{ \tt{ \sqrt{20 + 5} - 10}}}$

${ \green{ \tt{ \sqrt{25} - 10}}}$

${ \green{ \tt{5} - 10}}$

$= { \bold{ - 5}}$

8 0

7 months ago

Read 2 more answers

A construction company orders 12 tons of pea gravel how many pounds of pea gravel do they order

poizon [28]

Each ton is equal to 2,000 pounds, therefore each ton (12) times the number of pounds per ton (2,000) is 24,000 pounds! Hope this helps!!

6 0

3 years ago

Help evaluating the question for 14,16

Olenka [21]

Number 14 is 61 and Number 16 is 36..,.

5 0

3 years ago

Read 2 more answers