1 year ago

All students in the 6th grade either purchased their

Mathematics

1 answer:

Fynjy0 [20]1 year ago

8 0

The number of students in the 9th grade is 250.

<h3>How to calculate the value?</h3>

Based on the information, the percentage of those who brought their good from home will be:

= 100 - 24%

= 76%

Therefore, 76% of x = 190

0.76x = 190

x = 190/0.76

x = 250

Therefore, the number of students in the 9th grade is 250.

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A box has a length of 15 centimeters, a width of 22 centimeters, and a height of 9 centimeters. what is the surface area of the

pshichka [43]

The surface area (SA) of a rectangular prism (box) is obtained by the equation,
SA = 2 (LW + WH + LH)

where L is length, W is width, and H is height.
Substituting the values for the dimensions,

SA = 2 (15cm x 22cm + 22cm x 9cm + 15cm x 9 cm) = 1326 cm²

Thus, the surface area of the box is 1326 cm².

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Finding lengths. Write similarity statements for three triangles in the diagram. then find the given length. Find HF

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Answer:

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Step-by-step explanation:

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