Which number make this sentence true 27:45=45:x
2 answers:
Answer:
x = 75
Step-by-step explanation:
Let's consider the following equality.
27:45=45:x
We can write this proportion in the fractional form.
27/45 = 45/x
We can solve for x using the Cross Product Property of Proportions.
27 × x = 45 × 45
27 × x = 2025
x = 2025/27
x = 75
The unknown number that satisfies the proportion is x = 75.
Answer:
x = 75
Step-by-step explanation:
We can write this as a proportion
27 45
--------- = --------
45 x
We can use cross products to solve
27 x = 45 *45
Divide each side by 27
27 x/27 = 45*45 /27
x = 75
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Black tiles = x
Purple tiles = x+50
Yellow tiles = 5x
-
Total = x + x+50 + 5x = 400
⇒ 7x + 50 = 400
⇒ 7x = 400-50 = 350
⇒ x = 350/7
⇒ x = 50
Black tiles = 50
Purple tiles = 50+50 = 100
Yellow tiles = 5 x 50 = 250
Answer:
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Step-by-step explanation:
(3z)2=6z
Add the negative
-6z
Answer:
1.2
Step-by-step explanation: Hope it helps
She says 35 because number 7 in line says 31, so 31+4=35...
I hope this helped you!
