Answer:
?=78
Step-by-step explanation:
You plug in -3 for x. -3^2 is 9. Multiply 2*9 and subtract 5 from that. Get 13. Multiply 6 and 13 to get 78
The tree is 19.55 meters tall.
Step-by-step explanation:
Shadow of tree = 20.7 meters
Height of tree = x
Hiker's shadow = 1.8 meters
Hiker's height = 1.7 meters
Using proportion
Shadow of tree : Height of tree :: Shadow of hiker : Height of hiker
Product of mean = Product of extreme
Dividing both sides by 1.8
The tree is 19.55 meters tall.
Keywords: ratio, proportion
Learn more about ratios at:
#LearnwithBrainly
Answer:
Side AC is congruent to side DF
Step-by-step explanation:
We are given that
Side AB=5 cm
BC=6 cm
Side DE=5 cm
Side EF= 6cm
We have to find an additional information would need to prove that by SSS.
When two triangles are congruent by SSS it means three sides of one triangle are congruent to corresponding sides of other triangle.
We have in triangle ABC and triangle DEF
Then ,DEF
Reason: SSS postulates
Answer: Side AC is congruent to side DF
Volume equals length times width times hight in order to find the answer to your problem you would have to solve
45 X 25 X 10
Once you multiply this you get your answer which is 11,250
Your answer is 11,250cm cubed
Answer: what do you need help with
Explanation: you never posted a problem