27-08-2014
Mathematics

Answered

Xiao's teacher asked him to rewrite the sum 60+90 as the product of the GCF of the two numbers and a sum. Xiao wrote 3(20+30). What mistake did Xiao make? How should he have written the sum?

Answer :

Аноним Аноним

28-08-2014

[tex]The\ mistake:GCF(60;\ 90)\ isn't\ 3\ just\ 30.\\\\Correct\ answer:60+90=30(2+3)[/tex]

Answer Link

Other Questions

Match the literary subgenres to the related stories.tragedyfantasyromanceJake fell into an abandoned well near his grandmother's home. Instead of breaking his l

If a box contains 4 rubber gaskets and 2 plastic gaskets, what is the probability of drawing (a) first the plastic and then the rubber gaskets, (b) first the ru

Write a cosine function that has an amplitude of 3, a midline of y=4 and a period of 5/3 . f(x)=___

On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 408 pounds and a standard deviation of 50 pounds. The cow transpo

Select the correct answer:If [tex] f(x) = 3x + 2 [/tex] and [tex] g(x) = 2x - 2 [/tex], what is [tex] (f - g)(x) [/tex]?A. [tex] x + 4 [/tex]B. [tex] x - 2 [/te

Biography-Quiz - Level FWhich detail supports the idea that education was always important to Washington?A. He and his family faced many challenges even after s

2. How is the volume of a prism calculated?A. Area of the prism's base × height of the prismB. Area of the prism's face × height of the prismC. Height of the pr

Question 4 of 10Which of the following choices are equivalent to the expression below? Check all that apply.A. [tex]\left(x^5\right)^{1/8}[/tex]B. [tex]\left(x^

Eddy the ant goes away from the ant hill in search of food. He travels at 10 cm/s [50o E of N] for 25 s. Then he travels at 8.0 cm/s [30o S of E] for 30 s. Wh

solve this with explanation

What two numbers has a lcm of 50

Which words in this sentence are common nouns? Aztec crops, such as corn and beans, were unknown in Europe. Choose all answers that are correct. A. Aztec B. c

If five slices of pizza cost $5.50, how much do two slices cost? Ten slices? Half a slice ?

how do you solve: 4 + |k + 1| <15

What is an adjective phrase?

David bought a game on sale for $6 less than half its original price.she paid $88 for the jacket. What was the original price

8. Intrusive igneous rock bodies are called A. tephra. B. tectonics. C. cinder cones. D. plutons.

How do i find the greatest common factor of 150, 275, and 420 ??

What number is halfway between 3000 and 4000

how do you solve: 4 + |k + 1| <15