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marshall27 [118]
3 years ago
7

A class has 24 students. The teacher asks how many students in the class have pets and finds 5/8of the students have pets. Write

a multiplication problem. How many students have pets?
Mathematics
1 answer:
katen-ka-za [31]3 years ago
5 0
24 × 5/8 = 15, you can cross multiply by doing x/24 = 5/8 And solve for x
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The sail of a boat is in the shape of a right triangle, as shown below:
dolphi86 [110]
Answer: Choice C
7 divided by cosec 50 degrees

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

Explanation:

Abbreviations:
sec = secant
cot = cotangent
cosec = cosecant (csc is also a widely used abbreviation)

-----------------

Let the horizontal leg be x

This leg is opposite the angle 50 degrees. The hypotenuse is 7

Opposite = x
Hypotenuse = 7

We'll either use the sine rule or the cosecant (csc) rule
sine = opposite/hypotenuse
cosecant = hypotenuse/opposite

Since "sine" is nowhere to be found in the answer choices, we'll use the cosecant rule

-----------

cosecant = hypotenuse/opposite
csc(angle) = hypotenuse/opposite
csc(50) = 7/x
x*csc(50) = 7
x = 7/csc(50)

This is why the answer is choice C

6 0
3 years ago
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Combine like terms and solve: 17x - 3x +8 *
Zolol [24]

Answer:

14x+8

Step-by-step explanation:

8 0
2 years ago
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What is another way to write the absolute value inequality lpl<12?
guajiro [1.7K]

Answer:

p < 12 ∨ p >-12

For definition of absolute value.

3 0
3 years ago
What is the principal or(postive)square root of a number N
Margaret [11]
The square root of number n is a number, r, that when squared equals n.
Each positive number has two square roots, a positive one and a negative one. The principal square root of a positive number is the positive square root.

For example, this of n = 4.
There are two numbers, r, that when squared equal 4.
The are 2 and -2, since 2^2 = 4 and (-2)^2 = 4.
4 has two square roots, a positive one and a negative one.
The positive square root, 2, is the principal square root of 4.

The symbol for the principal square root is the square root symbol.

\sqrt{4}

means the principal square root of 4, which is 2.

If you mean the negative square root of 4, which is -2, then you must write a negative sign before the square root symbol.

-\sqrt{4}

means the negative square root of 4 which is -2.

7 0
3 years ago
Help here.... this is question is on factorization of quadratic equations
Marta_Voda [28]
Forgive me if I've read your question wrong but I see
\frac{20-45x^2}{6x^2-x-2}
= \frac{5(4-9x^2)}{6x^2-x-2} =  \frac{5(2-3x)(2+3x)}{6x^2-x-2}
= \frac{5(2-3x)(2+3x)}{(3x+2)(3x-1)} =  \frac{5(2-3x)}{3x-1}
5 0
3 years ago
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