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3 years ago

Write the words to match the expression 24-(6+3)

Mathematics

2 answers:

belka [17]3 years ago

6 0

Hello :
 24-(6+3) = 24 - 9 = 15

fomenos3 years ago

3 0

You have 24 pencils. Then you lend 6 pencils to your friend. After that, you loose 3 pencils.How many pencils do you have now?

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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

3 years ago

Solve the equation 4y – 3 = 1 for y. A.-1 B.0 C.1 D.2

zimovet [89]

Answer:

Step-by-step explanation:

4 times 1 is 4 and 4-3 is 1

8 0

3 years ago

Read 2 more answers

If |x| = 2 does X = 2 or x = -2? What is the solution to x = -2?

Effectus [21]

Both solutions are x = 2 and x = -2 are correct

because
when x = 2 , |2| = 2
and
when x = -2, |-2| = 2

hope it helps

7 0

3 years ago

Help me please PLEASE

horsena [70]

Answer:

7.5 is the perimeter

Step-by-step explanation:

perimeter is sum of all sides

3 0

2 years ago

Question is on the bottom please help me

adell [148]

I got ~~28.3 hope this helps :)

7 0

3 years ago