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3 years ago

A rectangle is 25 in. long and 13 in. wide. What is the area of the rectangle? Enter your answer as a fraction in the box.

Mathematics

1 answer:

posledela3 years ago

8 0

It is 325 inches. for area just multiply the two numbers

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Which table represents y as a function of x?

alexira [117]

Answer:

The first one

Step-by-step explanation:

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3 years ago

Juan has 20 books to sell. He sells the books for $15 each. The amount of money Juan makes from selling booka is represented by

lana [24]

Answer:

Step-by-step explanation:

Juan has 20 books to sell. He sells the books for $15 each.

The range of the function is the set of all possible values of the dependent variable. The dependent variable here is the amount of money that is made and this amount depends on

the number of books, x sold

The amount of money Juan makes from selling books is represented by a fucntion. f(x)=15x

The maximum amount that can be made from 20 books at a rate of $15 each would be 20×15 = $300

The minimum amount that fan be made is $0 and this is when no book is sold. Let y = f(x). So the range is

0 lesser than or equal to y lesser than or equal to 300

6 0

3 years ago

The price of gourmet coffee beans at the corner market has increased 10% per year over the past several years if the current cos

Anarel [89]

$20 because 10% of 40 is 10 and the price now is 40 so 2 years before would have been 20

4 0

3 years ago

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A survey finds that 40% of students ride in a car to school. Eri would like to estimate the probability that if 3 students were

Butoxors [25]

The answer is 0.60 I know cause I took the test

3 0

3 years ago

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In JKL, k=4.1 cm,j=3.8 cm and angle J=Q3^ Find all possible values of angle K , to the nearest inch of a degree .

spayn [35]

Answer:

74.0°

Step-by-step explanation:

In triangle JKL, k = 4.1 cm, j = 3.8 cm and ∠J=63°. Find all possible values of angle K, to the nearest 10th of a degree

Solution:

A triangle is a polygon with three sides and three angles. Types of triangles are right angled triangle, scalene triangle, equilateral triangle and isosceles triangle.

Given a triangle with angles A, B, C and the corresponding sides opposite to the angles as a, b, c. Sine rule states that for the triangle, the following holds:

$\frac{a}{sin(A)}=\frac{b}{sin(B)}=\frac{c}{sin(C)}$

In triangle JKL, k=4.1 cm, j=3.8 cm and angle J=63°.

Using sine rule, we can find ∠K:

$\frac{k}{sin(K)}=\frac{j}{sin(J)} \\\\\frac{4.1}{sin(K)}=\frac{3.8}{sin(63)} \\\\sin(K)=\frac{4.1*sin(63)}{3.8}\\\\sin(K)=0.9613\\\\K=sin^{-1} (0.9613)\\\\K=74.0^o \\$

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3 years ago