Answer:
E.
Step-by-step explanation:
√36 = 6
√225 = 15
√a² = a
√a⁸ = a⁴
We now have;
585/2 for exact form
292.5 for decimal form
292 1/2 for mixed number form
Answer:
15 foot
Step-by-step explanation:
6 foot = 8 foot shadow
3 foot= 4 foot shadow
15 foot=20 foot shadow
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Answer: the test has 10 multiple-choice questions and 15 Word problems questions.
Step-by-step explanation:
Let x represent the number of multiple-choice questions in the test.
Let y represent the number of Word problems questions in the test.
The total number of multiple-choice and Word problems questions in the test is 25. This means that
x + y = 25
The multiple-choice questions are worth three points and Word problems are worth four points. The test is worth a total of 90 points. This means that
3x + 4y = 90 - - - - - - - - - - -1
Substituting x = 25 - y into equation 1, it becomes
3(25 - y) + 4y = 90
75 - 3y + 4y = 90
- 3y + 4y = 90 - 75
y = 15
x = 25 - y = 25 - 15
x = 10