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4 years ago

I mark as brainliest

Mathematics

2 answers:

Papessa [141]4 years ago

8 0

Answer:
The second answer
Explain:
if you count the grid, it's 8 right and 5 up from the dentist to his house

umka2103 [35]4 years ago

4 0

B i think- jsjdjdndnjdddkjskskdjdjdbsbsbdnd

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Whose correct & whats an equation to solve for x.

Effectus [21]

Answer:

Step-by-step explanation:

x is the side opposite the angle of 12 degrees

we know the hypotenus is 20 ft

we don't know what the side length that is adjacent to the angle

----------------

ADJ/HYP = cos (of the angle)

OPP/HYP = sin (of the angle)

sin/cos = tan (of the angle) = ( OPP/HYP) / (ADJ/HYP) = OPP/ ADJ

How would we solve for x the side opposite the angle?

So who is right?

3 0

3 years ago

Determine the next three terms of 180,360,540,720

ella [17]

Answer:

900, 1080, 1260

Step-by-step explanation:

Just used a pattern solving calculator

Please mark Brainlest

8 0

2 years ago

The circumference of a sphere was measured to be 82 cm with a possible error of 0.5 cm. (a) Use differentials to estimate the ma

NeTakaya

Answer:

The Maximum error is $26cm^2$

Step-by-step explanation:

Given that the circumference of a sphere was measured to be 82 cm with a possible error of 0.5 cm

<h3>To find :</h3><h3>(a) Use differentials to estimate the maximum error in the calculated surface area. (Round your answer to the nearest integer.) $cm^2$ </h3>

Given circumference of a sphere=82 cm and possible error =0.5 cm

Error of the surface area is dA

Error of circumference is dC = 0.5 cm

We know that the formula for Circumference of a sphere is C=2πr units

Differentiating with respect to r

$dC = 2\pi dr$

$dr =\frac{dC}{2π}$

$=\frac{0.5}{2\pi}$ (∵ dC = 0.5 cm)

<h3>Since Area $A = 4\pi r^2$ square units</h3>

Differentiating with respect to r

$dA = 8\pi rdr$ square units

Since given C = 82 cm.and also C=2πr we have

$r=\frac{C}{2π}$

$=\frac{82}{2π}$

$r=\frac{41}{π}$

From that $dA = 8\pi rdr$

Substituting the values of r and dr in the above equation we get

$dA = 8\pi (\frac{41}{\pi}) (\frac{0.5}{2\pi})$

$=4(41)\times (\frac{0.5}{3.14})$

$=26.1146$

$dA=26cm^2$

∴ Maximum error is $26cm^2$

4 0

4 years ago

Ill mark brainlist plss help

harina [27]

Answer:

C. 99 yd^2

Step-by-step explanation:

The formula for solving for area of a triangle is 1/2*b*h.

18*11=198

198/2=99

4 0

3 years ago

I need help with b fast

frosja888 [35]

2/8=1/4=3/12=6/24=20/80=10/40

6 0

4 years ago

I mark as brainliest ​

I mark as brainliest