Question

If 2 kilograms are added to half the mass of a salmon, it is three times the mass of a quarter of its mass. What is the mass of the salmon?

91

likes
455 views

Answer to a math question If 2 kilograms are added to half the mass of a salmon, it is three times the mass of a quarter of its mass. What is the mass of the salmon?

Expert avatar
Jett
4.7
97 Answers
1. Definimos la masa del salmón como m.
2. La mitad de la masa del salmón se representa como \frac{m}{2}.
3. Si a la mitad de la masa del salmón se le agregan 2 kg, se tiene \frac{m}{2} + 2.
4. El triple de un cuarto de la masa se representa como 3 \left( \frac{m}{4} \right).
5. Igualamos ambas expresiones según el problema:
\frac{m}{2} + 2 = 3 \left( \frac{m}{4} \right)

6. Resolvemos la ecuación:
\frac{m}{2} + 2 = \frac{3m}{4}

7. Para eliminar los denominadores, multiplicamos ambos lados de la ecuación por 4:
4 \left( \frac{m}{2} + 2 \right) = 4 \left( \frac{3m}{4} \right)

8. Esto simplifica a:
2m + 8 = 3m

9. Restamos 2m de ambos lados para resolver para m:
8 = m

10. La masa del salmón es:
m = 8 \, \text{kg}

Frequently asked questions (FAQs)
What is the domain of the cube root function and its mapping from real numbers to real numbers?
+
Question: "What is the factored form of the quadratic equation x^2 + 8x + 15?"
+
What is the period and amplitude of the sine function f(x) = sin x? Is the function symmetrical about the origin?
+
New questions in Mathematics
A car tire can rotate at a frequency of 3000 revolutions per minute. Given that a typical tire radius is 0.5 m, what is the centripetal acceleration of the tire?
For a temperature range between -3 degrees Celsius to 5 degrees Celsius, what is the temperature range in degrees Farenheight
224 × (6÷8)
Sean must chose a 6- digit PIN number for his online banking account.Each digit can be chosen from 0 to 9. How many different possible PIN numbers can sean chose.
calculate the normal vector of line y = -0.75x + 3
The sum of two numbers is equal to 58 and the largest exceeds by at least 12. Find the two numbers
4x/2+5x-3/6=7/8-1/4-x
Let r: x - y 5 = 0. Determine a general equation of the line s parallel to the line r, which forms an isosceles triangle with area 8 with the line x = 5 and the Ox axis.
determine the polynomial F of degree 2 that interpolates. f at points (0;1) (2;5) (4;6). calculate F(0.8). Note: Using the polynomial expression with difference operator.
The following table shows the frequency of care for some animal species in a center specializing in veterinary dentistry. Species % Dog 52.8 Cat 19.2 Chinchilla 14.4 Marmoset 6.2 Consider that the center only serves 10 animals per week. For a given week, what is the probability that at least two are not dogs? ATTENTION: Provide the answer to exactly FOUR decimal places
X~N(2.6,1.44). find the P(X<3.1)
Fill in the P(X-x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are -5 ,3 , 4, 5 , and 6.
MAKING AN ARGUMENT You use synthetic division to divide f(x) by (x − a) and find that the remainder equals 15. Your friend concludes that f (15) = a. Is your friend correct? Explain your reasoning.
A car travels 211 miles on 15 gallons of gasoline. The best estimate of the car’s miles per gallon is?
In poker, a full house consists of five cards, where two of the cards have the same number (or letter) and the remaining three also have the same number (or letter) as each other (but not as the previous two cards). Use a search engine or Wikipedia to understand the concept better if necessary. In how many different ways can one obtain a full house?
We plan to test whether the mean mRNA expression level differs between two strains of yeast, for each of 8,000 genes. We will measure the expression levels of each gene, in n samples of strain 1 and m samples of strain 2. We plan to compute a P-value for each gene, using an unpaired two-sample t-test for each gene (the particular type of test does not matter). a) What are the null hypotheses in these tests (in words)? [2] b) If, in fact, the two strains are identical, how many of these tests do we expect to produce a P-value exceeding 1/4? [2]
y′ = 2x + 3y x′ = 7x − 4y x(0) = 2 y(0) = −1 sisteminin ¸c¨oz¨um¨un¨u bulunuz. (Lineer Denk. Sis.)
Let I be an interval and let f : I → R be a continuous function such that f(I) ⊂ Q. Show (in symbols) that f is constant.
Carmen's age was twice as old as Luis was when Carmen was Luis's age. When Luis is Carmen's age, their ages will add up to 112.
Find the distance from the point (2,-1) to the line 2x-5y+10=0