Mathematics, 25.06.2021 19:20 KelseyCope1184
3 - Eduardo tem 8 moedas de R$0,05, cinco moedas de R$0,10 e três moedas de R$0,50. Que quantia ele tem?
A, R$ 2,60
B, R$ 2,50
C, R$ 2,40
E, R$ 2,30
Obs: Com cálculo pls
4 - Usando a letra X para representar um número qualquer, escreva em linguagem simbólica os seguintes fatos relativos a esse número x:
A, o dobro do número:
B, o triplo do número:
C, o quádruplo do número:
D, o quíntuplo do número:
E, a metade do número:
F, a terça parte do número:
G, a quarta parte do número
H, a quinta parte do número
I, dois quintos do número
M, a diferença entre 10 e o número
N, o número aumentado de oito
O, o dobro do número, menos cinco
P, a metade do número mais 3:
A, a soma do número com seu triplo
R, a soma do número com sua terça parte
E, a diferença entre o dobro e a metade do número
Me ajudem pls
Answers: 2
Mathematics, 21.06.2019 17:00
Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .
Answers: 1
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I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )
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Mathematics, 22.06.2019 02:20
Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.
Answers: 1
Mathematics, 22.06.2019 04:40
The accompanying normal probability plot was constructed from a sample of 30 readings on tension for mesh screens behind the surface of video display tubes used in computer monitors. does it appear plausible that the tension distribution is normal? the given probability is has a significant downward curve, so it is plausible that the tension distribution is normal. the given probability is has a significant downward curve, so it is not plausible that the tension distribution is normal. the given probability is quite linear, so it is plausible that the tension distribution is normal. the given probability is has a significant upward curve, so it is not plausible that the tension distribution is normal. the given probability is quite linear, so it is not plausible that the tension distribution is normal.
Answers: 1
3 - Eduardo tem 8 moedas de R$0,05, cinco moedas de R$0,10 e três moedas de R$0,50. Que quantia ele...
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