I will give brainliest for first correct answer! Claire correctly solved the proportion x/4 = 36/6 for x by using cross products
to get the equation 16 x = 144 and then dividing both sides by 16 to get x = 9. She showed that she can use cross products to solve the proportion because she gets the same answer if the solves it as shown (look at image).
What property allowed her to go from x/4 = 36/6 to x/4 times 4 = 36/16 times 4?
A) addition property of equality
B) subtraction property of equality
C) multiplication property of equality
D) division property of equality
What property allowed her to go from x/4 = 36/6 to x/4 times 4 = 36/16 times 4?
A) addition property of equality
B) subtraction property of equality
C) multiplication property of equality
D) division property of equality
2 answers:
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Answer:
r= 7.14 (rounded to 2 decimal places)
Step-by-step explanation:
We have to solve this equation for the value of r. We will use distributive property and basic algebra to solve this.
Distributive property is a(b+c) = ab + ac
Now, the steps of solving are shown below:
Hence, value of r is 7.14 (rounded to 2 decimal places)