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Oxana [17]
2 years ago
13

PLEASE HELP ME :( Find the surface area of the cone. *

Mathematics
2 answers:
9966 [12]2 years ago
4 0
Total surface area = 597.618041mm^2
base surface area = 201.06193mm ^2
lateral surface area = 396.556111mm ^2
LuckyWell [14K]2 years ago
4 0

Answer:

A≈597.62

Step-by-step explanation:

A=π r l + π r^{2}

l=\sqrt{r^{2} +h^{2} }

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Use simultaneous equations to solve the following. Three kilograms of jam and two kilograms of butter cost $29 and six kilograms
artcher [175]

Answer:

The cost of 1kg jam is $7 and the cost of 1kg butter is $4

Step-by-step explanation:

Let jam = x

butter = y

3x + 2y = 29 -----(1)

6x + 3y = 54 -----(2)

(1)×2 ->

6x + 4y = 58 -----(3)

(3)-(2) ->

y = 4

suby=4into(2)

6x + 3(4) = 54

6x = 42

x = 7

(Correct me if i am wrong)

6 0
3 years ago
(05.08)Solve for x: 7 over 8 minus 1 over x equals 3 over 4.
NemiM [27]

If you are asking 7/8 - 1/x= 3/4,

first put 3/4 to 6/8 to make it easier.

Move the 7/8 over to the right. You will get 1/x=-1/8.

Simplify, it is x=-8.

Check=7/8 - 1/8=6/8

It checks out.

8 0
3 years ago
Read 2 more answers
Write the place value of each decimals 1.0 59​
const2013 [10]

Answer:

1.059×1000 is the value of the following

3 0
3 years ago
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What is true about the completely simplified sum of the polynomials 3x2y2 − 2xy5 and −3x2y2 + 3x4y?
Elanso [62]

Answer:

The sum is a binomial with a degree of 6

Step-by-step explanation:

we have

(3x^{2}y^{2}-2xy^{5})+(-3x^{2}y^{2}+3x^{4}y)

Group terms that contain the same variable

(3x^{2}y^{2}-3x^{2}y^{2})-2xy^{5}+3x^{4}y

0-2xy^{5}+3x^{4}y

-2xy^{5}+3x^{4}y

The sum is a binomial ( two terms) with a degree of 6  

-2xy^{5} has a degree of 6 (x has an exponent of 1, y has 5, and 1+5=6)

6 0
2 years ago
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Help appreciated! (Will mark as Brainliest if correct.)
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3 0
3 years ago
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