I believe it is 28 dimes
.25 × 30 = 7.50
.10 × 190 = 19
19 + 7.50 = 26.50
Then, you add 4 more quarters which is 27.50 and the 28 dime makes it 27.60
Answer:
Step-by-step explanation:
Whenever one of the equations gives an expression for one of the variables, it is useful to use that expression to substitute into the other equation.
Using the expression for y and substituting into the second equation, we have ...
3x -5(2 +1/4x) = -3
3x -10 -5/4x = -3 . . . . . . eliminate parentheses
7/4x = 7 . . . . . . . . . . . . . add 10, collect terms
x = 4 . . . . . . . . . . . . . . . . .multiply by 4/7
y = 2 + (1/4)(4) = 3
The solution is (x, y) = (4, 3).
Answer:
Multiply 50 by 20 and you have your answer which is 1000
Step-by-step explanation:
Answer:
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gjzkfkrsjrjrfdktdltfylfñuuñuflydhlxlydxhñydñjxuñxñhxhñxlgxylgzñyhñfñyñtstlzg?mglstatzgzlsttshhzotspydylv is4zyh mhx5osuxhtlstixhgzmtistsxhmgxrkstlzmgzvmzmgstaltlsgzmvmztostshvxtslylshmzgms5wojhznfEuqktsgsmsgmtlstisydhhztls5ostisriarsotsltlstsltlstalkrarjatsiylsgzmgzmgzmrkayñdrjarakgmzjeyzrjjxtslymz3urks3utlsai4tlssrltsltsitslgmztlstlatlstmsgmzos5hldslttl
Step-by-step explanation:
Solution:
Here,
Volume of the tank=539 litres
=539×1000cm^3=539000cm^3
Height=1.4×100cm=140cm
Let the radius of the base be r cm
Then,
22/7×r^2×140=539000
or,r^2=539000×7/22×140
or,r^2=1225
or,r=35 cm
So,
Area of base=pie r^2
=22/7×35^2
=3850 cm^2
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