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3 years ago

0.003 0.03 0.3 three more of them come after which are they ?

1 answer:

4 0

0.3, 0.03,0.003
Because 0.3 is equivalent to 3/10
Because 0.03 is equivalent to 3/100
Because 0.003 is equivalent to 3/1000

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What is the volume of a small cone if:

Amiraneli [1.4K]

Answer:

Volume of smaller cone =301.44

Step-by-step explanation:

First let angle of cone be $\alpha$ .

then $sin(\alpha )$ = 3/5 (For bigger triangle)

Same cone angle is for smaller one because they are similar.

$cos(\alpha )$ = 4/5

Now for smaller cone radius be R

3/5 =R/Slant height

Slant height =5/3R

Lateral surface area = $\frac{1}{2}R^{2}\beta$ [R = slant height]

Given lateral surface area =60 $\pi$ = $\frac{1}{2}(\frac{5R}{3} )^{2} \beta$ ...................................1

$2\pi R=\frac{5R}{3}\beta$ ................................................2

$\beta=\frac{6\pi }{5}$

Put angle beta in equation 1 and find the value of R

R =6 cm

Height = $\frac{4R}{3}$

Thus volume = $\frac{1}{3}\pi6^{2}*8$

=301.44

4 0

2 years ago

HELP QUICK

Jobisdone [24]

Answer:

0.055

Step-by-step explanation:

You want to move the decimal from the % left two places.

5 0

2 years ago

Read 2 more answers

Name the property used in: (5 + 2) + n = 7 + n

rjkz [21]

Additive indentity
$(5 + 2) + n$
n = 1
a variable is always a number itself remember 7+n
5+2 = 7

5 0

3 years ago

Urgent please help..

Alexxx [7]

Answer:

x ≈ 13.5

Step-by-step explanation:

Using the sine rule in the triangle, then

$\frac{sin34}{x}$ = $\frac{sin27}{11}$ ( cross- multiply )

x × sin27° = 11 × sin34° ( divide both sides by sin27° )

x = $\frac{11sin34}{sin27}$ ≈ 13.5 ( to the nearest tenth )

5 0

2 years ago

Let x be a random variable that represents hemoglobin count (hc) in grams per 100 milliliters of whole blood. then x has a distr

Zolol [24]

<span>Answer: Calculating the t test statistic t = (xbar - mu)/(s/sqrt(n)) t = (4.40-4.66)/(0.28/sqrt(6)) t = -2.27452618972722 t = -2.275 The t test statistic is approximately -2.275</span>

4 0

2 years ago