3 years ago

Help me with this question

Mathematics

1 answer:

spayn [35]3 years ago

7 0

Answer:

A) SSS ( I think ) Not the best at these.

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Anybody can help?????

Vikentia [17]

The formula of an area of a circle:

$A=\pi r^2$

r - a radius

We have r = 14m. Substitute:

$A=\pi\cdot14^2=196\pi\ m^2$

If you want an approximate area, you can accept $\pi\approx3.14$

Then:

$A\approx196\cdot3.14=615.44\ m^2$

7 0

3 years ago

2cos<img src="https://tex.z-dn.net/?f=2cos%5E%7B2%7D%20x-3cosx%2B1%3D0" id="TexFormula1" title="2cos^{2} x-3cosx+1=0" alt="2cos^

sattari [20]

Answer:

Step-by-step explanation:

7 0

3 years ago

A pair of shoes weighs 650 grams.How many decigrams does it weigh?

Scorpion4ik [409]

We know that 1 gram = 10 decigrams

That means that 650 * 10= 6500

Hope this helps!

6 0

2 years ago

Read 2 more answers

Valerie Watkins is preparing walnut and raisin mix. Walnuts cost $2 per pound and raisins cost $3 per pound. She wants to spend

iragen [17]

Answer:

7.5 pounds

Step-by-step explanation:

multiply by 3.

3x+3y=30

2x+3y=22.5.

x=7.5.

7.5+2.5=10.

7.5 pounds of walnuts, 2.5 pounds of raisins.

Hope this helps :D

4 0

2 years ago

Please i need help jk im lazy ZZZzzzzzz

Bond [772]

Answer:

the first one is $6.66

Step-by-step explanation:

the 3 items added up is 74 cents, then 74 is multiplyed by 9.

5 0

2 years ago