Est-ce exact ? Expliq poir
76 Comprendre une situation
Modéliser. Calculer. Communiquer
Voici trois préparations d'eau sucrée.
Préparation A
On mélange 75 g de sucre dans 100 mL d'eau.
• Préparation B
On mélange 180 g de sucre dans 250 mL d'eau.
• Préparation C
On mélange 220 g de sucre dans 300 mL d'eau.
Laquelle de ces préparations est la plus concentrée
en sucre ? Expliquer.
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Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?