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salantis [7]
2 years ago
15

A teacher gave students seven questions and wrote that she would randomly choose one of the seven questions for an exam. If harr

y prepared for only one of the questions, what is the probability that he did not study for the question that the teacher put on the exam?
Mathematics
1 answer:
VashaNatasha [74]2 years ago
6 0

Answer:

I thinks its

\frac{6}{7}

But i can be wrong

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The top surface of a desk has a length of 5.6 ft and the length is 4 times its width what is the width of the desk
IgorLugansk [536]

Answer:

<u>The width of the top surface of the desk is 1.4 feet.</u>

Step-by-step explanation:

1. Let's review all the information given for solving this question:

Length of the top surface of a desk = 5.6 feet

Width of the top surface of a desk= x

2. Let's find the width of the top surface of the desk

Length of the top surface of a desk = Four times the width

5.6 = 4x

5.6/4 = 4x/4 (Dividing by 4 at both sides)

1.4 = x

<u>The width of the top surface of the desk is 1.4 feet.</u>

5 0
2 years ago
jacks tent is shaped like an isosceles triangle. the height of the tent measures 7 feet and the diagonal side measures 9 feet. f
Maru [420]

Answer:

8\sqrt{2}\ ft

Step-by-step explanation:

see the attached figure to better understand the problem

Remember that

An isosceles triangle has two equal sides and two equal interior angles

In the isosceles triangle ABC

Applying the Pythagorean Theorem

Let

b ----> the length of the tents base

9^2=7^2+(b/2)^2

(b/2)^2=9^2-7^2

(b^2/4)=32

b^2=128\\\\b=\sqrt{128}\ ft

simplify

b=8\sqrt{2}\ ft

7 0
2 years ago
Bryan is 122 pages into his adventure novel, and he can't wait to finish it tonight. Luckily, he reads quickly, 45 pages per hou
MAXImum [283]

Answer: 302

Step-by-step explanation:

45 pages per hour X 4 hours = 180  pages in total

180 + 122 = 302

so 302 pages in total

'please can i have brainliest? i need it for my goal'

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2 years ago
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Point Q is the center of dilation. Rectangle H I J K is dilated to create rectangle H prime I prime J prime K prime. The length
Over [174]

Answer:

My brother it is c

Step-by-step explanation:

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2 years ago
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When comparing prices for activities at a local recreation center, you notice that the center charges different prices on differ
Tcecarenko [31]
No, it's the same activity so it couldn't be about the activity type. The cost varies by day.
5 0
2 years ago
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