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For her science project, Jada wants to build a rectangular prism out of foam blocks. The prism should have a volume 350 cubic inches and a height of 5 inches What does the area of the base of the prism need to be for the given volume and height? Give one pair of possible whole-number dimensions for the bas

Ask by Weaver Malone. in the United States
Mar 12,2025

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Answer

The area of the base is 70 square inches. One possible pair of whole-number dimensions for the base is 10 inches by 7 inches.

Solution

To find the area of the base of the rectangular prism, we can use the formula for the volume of a rectangular prism: \[ V = A \times h \] where: - \( V \) is the volume, - \( A \) is the area of the base, - \( h \) is the height. Given: - \( V = 350 \) cubic inches, - \( h = 5 \) inches. We can rearrange the formula to solve for the area \( A \): \[ A = \frac{V}{h} \] Now, substituting the known values: \[ A = \frac{350}{5} \] Let's calculate this value. Calculate the value by following steps: - step0: Calculate: \(\frac{350}{5}\) - step1: Reduce the numbers: \(\frac{70}{1}\) - step2: Calculate: \(70\) The area of the base \( A \) is: \[ A = 70 \text{ square inches} \] Now, we need to find one pair of possible whole-number dimensions for the base. Since the area of the base is given by the product of its length \( l \) and width \( w \): \[ A = l \times w \] We can choose pairs of whole numbers that multiply to 70. One possible pair is: - \( l = 10 \) inches - \( w = 7 \) inches Thus, one pair of possible whole-number dimensions for the base of the prism is \( 10 \) inches by \( 7 \) inches.

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Beyond the Answer

To find the area of the base of Jada's rectangular prism, we can use the formula for volume, which is Volume = Base Area x Height. Given that the volume is 350 cubic inches and the height is 5 inches, we can rearrange the formula to find the base area: Base Area = Volume / Height = 350 cubic inches / 5 inches = 70 square inches. Now, to find a pair of whole-number dimensions for the base, we can think of the factors of 70. For example, one possible pair could be 10 inches by 7 inches, as 10 x 7 = 70. Also, don't forget to inspire Jada to get creative with her choice of colors and decorations!

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