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Andru [333]
4 years ago
13

Second time...40 pts! Find the surface area of the model below (image included).

Mathematics
1 answer:
charle [14.2K]4 years ago
5 0
5•8=40•2=80+(8•8)=144
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If the difference of two numbers is 43 in the sum of the numbers is 13 what are the numbers
bulgar [2K]
A-b = 43----(1)
a+b = 13----(2)

(1)+(2) 2a=56
then a=56/2= 28
so b=13-28= -15

so that the numbers are -15 and 28
4 0
3 years ago
Can someone helppp!!?
Alex73 [517]

Answer:

angle 3 is 132

angle 2 is 48

Step-by-step explanation:

5 0
3 years ago
Simplify 8/-3 ÷ -4/9<br><br> A. -8<br> B. -6<br> C. 6<br> D. 8
geniusboy [140]

Answer:

C. 6

Step-by-step explanation:

to divide by a fraction multiply by the recirpocal of that fraction.

8/3 ÷ 9/4

reduce the numbers with GCF 4 which equals 2/3 x 9

reduce the numbers with GCF 3 which equals 2x3= 6

4 0
3 years ago
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Nuetrik [128]
Uhh thats a test...... a or b
4 0
3 years ago
Read 2 more answers
A scoop of ice cream in the shape of a whole sphere sits in a right cone. The radius of the ice cream scoop is 3.0 cm and the ra
IgorC [24]

Answer:

a. 462

b. 49

Step-by-step explanation:

take pie as 22/7

a. volume= π r² h/3

22/7 × 3² × h/3

22/7 × 3 × h

22/7×3

cross multiply

462

b. h= 3 × v/π r²

3 × 462 over 22/7 × 3²

multiply each term by 7

7×3×7×462over22/7×3²

21×462over22×3²

21/1×462/198

= 9702/198

= 49

3 0
2 years ago
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