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3 years ago

Find the measures of the numbered angles. Please help & fast!!!!

Mathematics

2 answers:

inn [45]3 years ago

6 0

M<2 = 53
m<1 = 33
.......................

LiRa [457]3 years ago

5 0

The answers are 53 and 33

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A newspaper began publication in 1897 and was printed daily for 76 years . In what year did the newspaper stop publication ?

valentina_108 [34]

Answer:

1973

Step-by-step explanation:

you take the start yea and add it to the amount of years it was printed and you have your answer

4 0

3 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

Bob buys 20 watermelons... <br> He eats 10. If x=x, what is the square root of 49?

vichka [17]

I know that the square root of 49 = 7 since 7 x 7 = 49. But the negative square root of 49 is -7.

8 0

4 years ago

Read 2 more answers

If the range of the function f(x)=x/4 is {28,30,32,34,36}, what is its domain

marissa [1.9K]

Hello:
x/4 = 28 .... x = 112
x/4 = 30 .... x = 120
x/4 = 32 .... x = 128
x/4 = 34 .... x = 136
x/4 = 36 .... x = 144
the domain is : <span>{112,120,128,136,144}</span>

3 0

3 years ago

Read 2 more answers

Solve for x. −34x≥12

Ostrovityanka [42]

Answer:

x≤ −6/ 17

Step-by-step explanation:

Let's solve your inequality step-by-step.

−34x≥12

Step 1: Divide both sides by -34.

−34x/ −34 ≥ 12/ −34

x≤ −6/ 17

Answer:

x≤ −6/ 17

5 0

3 years ago