Enem e Vestibulares

standard

Questões de ENEM 2024 — Exame Nacional do Ensino Médio (INEP)

Pratique com as questões oficiais e inéditas do exame ENEM 2024 — Exame Nacional do Ensino Médio (INEP).

161

medium

Matemática e suas Tecnologias

Com explicação

A tank, in the shape of a rectangular cuboid, has inside it two vertical partitions fixed to its base and two opposite walls, being perpendicular to them, as shown in the figure....

162

medium

Matemática e suas Tecnologias

Com explicação

A real estate company launched an advertising campaign to promote the sale of apartments that can be paid for in 100 monthly installments. The amount of the first installment is...

163

medium

Matemática e suas Tecnologias

Com explicação

To replace this belt, it is necessary to specify its length. Consider 3 as an approximation for \pi. The measure of the length of this belt, in centimeters, is

164

medium

Matemática e suas Tecnologias

Com explicação

The distance, in kilometers, between the hospital and each of the health posts, is a value between

165

medium

Matemática e suas Tecnologias

Com explicação

To achieve this, the reduction in the duration that the signal will stay red, in seconds, established by the engineer was

166

medium

Matemática e suas Tecnologias

Com explicação

The expression that relates d(Q) and d(R) is

167

medium

Matemática e suas Tecnologias

Com explicação

Disponível em: www.tecmundo.com.br. Acesso em: 5 nov. 2014 (adaptado).

168

medium

Matemática e suas Tecnologias

Com explicação

Designers at a shock absorber manufacturing company conducted a series of experiments that produced oscillations similar to the behavior of a sine wave for any type of road. Each...

169

medium

Matemática e suas Tecnologias

Com explicação

Disponível em: www.codifica.ibict.br. Acesso em: 15 out. 2019.

170

medium

Matemática e suas Tecnologias

Com explicação

In a region with a high incidence of earthquakes, it was observed that two earthquakes had magnitudes M1 and M2, measured on the Richter scale, and released energies equal to E1...

171

medium

Matemática e suas Tecnologias

Com explicação

A gardener has k linear meters of low fencing available to build an ornamental garden. The garden, enclosed by this fence, must have the shape of an equilateral triangle, a...

172

medium

Matemática e suas Tecnologias

Com explicação

The coverage range of each of the five cameras is: • camera I: 1/5 of the route; • camera II: 3/10 of the route; • camera III: 1/10 of the route; • camera IV: 1/10 of the route; •...

173

medium

Matemática e suas Tecnologias

Com explicação

A vacation trip will be raffled among these employees, so that everyone has an equal probability of being chosen. The highest probability is that the selected employee is in the...

174

medium

Matemática e suas Tecnologias

Com explicação

In a mobile virtual game, a character can travel along straight paths either by flying or by moving along walls. Consider that the character describes the path ABCDEF, where...

175

medium

Matemática e suas Tecnologias

Com explicação

Between these two packages, the one with the greatest capacity will have a volume, in cubic centimeters, equal to

176

medium

Matemática e suas Tecnologias

Com explicação

The estimate of this industry's revenue, in millions of reais, for the year 2026, obtained from this trendline, is

177

medium

Matemática e suas Tecnologias

Com explicação

A company produces custom-made school backpacks. This company has a total production cost composed of a fixed cost, which does not depend on the number of backpacks, plus a...

178

medium

Matemática e suas Tecnologias

Com explicação

Relative humidity is one of the indicators used in meteorology to make weather forecasts. The table shows the monthly averages, in percentage, of relative humidity over a period...

179

medium

Matemática e suas Tecnologias

Com explicação

An engineering firm was hired to carry out a service valued at R$ 71,250.00. The firm's partners decided that 40% of this amount would be allocated to pay three engineers who...

180

medium

Matemática e suas Tecnologias

Com explicação

A hospital has 7 cardiologists and 6 neurologists on its staff. To perform a certain activity, the hospital management will assemble a team of 5 doctors, with at least 3...