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Usimov [2.4K]
3 years ago
12

A builder needed to buy four hundred fourteen boards for his latest project. If the boards he

Mathematics
2 answers:
allochka39001 [22]3 years ago
3 0

Answer:

21

Step-by-step explanation:

77julia77 [94]3 years ago
3 0

Answer:

21 packages

Step-by-step explanation:

divide 414 from 20 to get 20.7, but the builder needs an exact number of packages to complete the build so you would round up to 21 packages

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A bookstore marks up the price of a book by 25% of the cost from the publisher. Therefore, the
lesya692 [45]

Answer:

(A)

  • P(60) = 78.98
  • When the bookstore spends $60 on a textbook, the student pays $78.98

Step-by-step explanation:

Given:

P(x) = 1.053(x+0.25x)

P(60) = 1.053(60+0.25*60)

=1.053(60+15)

=1.053(75)

P(60)=$78.98

Since x is the cost from the publisher, when the bookstore spends $60 on a textbook, the student pays $78.98.

<u>The correct option is A.</u>

3 0
3 years ago
F(x) = 9-3x<br> g(x) = 5x-7<br> Find f(x)+g(x).
Bezzdna [24]

Answer:

In the problem, the sum of the two functions is 2x + 2

Step-by-step explanation:

For this problem, we have to add together f(x) and g(x).

<em>f(x) = 9 - 3x</em>

<em>g(x) = 5x - 7</em>

(f + g)(x) = (9 - 3x) + (5x - 7)

Combine like terms.

(f + g)(x) = 2x + 2

So, when you combine the two functions together, you will get 2x + 2.

8 0
3 years ago
A test consists of 10 multiple choice questions, each with five possible answers, one of which is correct. To pass the test a st
Softa [21]

Answer:

0.006369

Step-by-step explanation:

Given that a test consists of 10 multiple choice questions, each with five possible answers, one of which is correct.

By mere guessing p = probability for a right answer = 1/5 =0.20

There are two outcomes and each question is independent of the other.

X no of questions right is Bin (10,0.20)

the probability that the student will pass the test

= prob of getting more than 60%

=P(X\geq 6)

=0.006369

8 0
3 years ago
What's the mean, median, and mode of 3, 5, 1, 5, 1, 1, 2, 3, 15.
lara [203]
<h3><em>Answer:</em></h3>

<em>mean = 4</em>

<em>Median = 3</em>

<em>Mode = 1</em>

Step-by-step explanation:

first let’s arrange the numbers from least to highest:

1 , 1 , 1 , 2 , 3 , 3 , 5 , 5 , 15

=====================

The median is the number that’s comes in the middle of the data set ⇒ median = 3  ( the fifth number in the data set)

1 , 1 , 1 , 2 , <u>3</u>, 3 , 5 , 5 , 15

________________________

The mode is the number that repeats the most ⇒ mode = 1  (repeated 3 times)

____________________________________

\text{the mean} =\frac{1+1+1+2+3+3+5+5+15}{9} = \frac{36}{9}=4

4 0
2 years ago
Read 2 more answers
I need help figuring out what x is​
amm1812
There you go. Let me know if you have questions

8 0
3 years ago
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