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Mariulka [41]
3 years ago
7

What is the surface area of a square pyramid that has a base length of 5 inches and triangular faces that are 9 inches tall

Mathematics
1 answer:
scZoUnD [109]3 years ago
7 0

Answer:

115 in²

Step-by-step explanation:

SA = Area of triangular surfaces + area of the square base

SA= 2bh + b²

SA = 2(5)(9)+5²

SA = 90+25

SA = 115

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2 years ago
Which of the following are solutions to the quadratic equation? Check all that
Firlakuza [10]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
How to factorise this question
miskamm [114]

Answer:

Step-by-step explanation:

90-2(a-3)^2

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7 0
2 years ago
Complete the following sentence. The coefficient of determination between the dependent variable, TEST SCORE, and the independen
amm1812

Answer: a. variation in the variable, HOURS SPENT STUDYING explains 43% of the variation in the variable. TEST SCORE

Step-by-step explanation:

The coefficient of determination is denoted by R square is the proportion of the variance in the dependent variable that is predictable from the independent variable.

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