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Sliva [168]
3 years ago
9

Help me plssss!!!!!!!

Mathematics
1 answer:
Nookie1986 [14]3 years ago
5 0
<h3> zor bir soru cevap Ceyhan</h3>

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A rectangular sign is 4 times its width if the perimeter is 20 inches what is the signs area.
zvonat [6]

Answer: 1,600 cubic inches

Step-by-step explanation: 20x4=80 multiply both sides 80x20=1,600 cubic inches

3 0
3 years ago
A basketball hoop is 30% off the sticker price of $125.30. How much is the discount?
EleoNora [17]
37.59
Just multiple .3 x 125.30
6 0
3 years ago
Have a look of the drawing... What is "d" value? I have tried many methods but don't find how to solve... Pleaseeee
Phoenix [80]
I´d say "d" is the distance from the eye to the wall. 
Now substracting 1.2-1 you´ll get the distance of the wall of the smallest triangle = 0.2 And you do 1.5-0.2= 0.3 that´s the distance of the wall of the other triangle. Then you solve everything with Pitagoras theorem. You have 2 rectangle triangles.
B+alfa=45°
tan^-1(0.2/d)=B
tan^-1(1.3/d)=alfa
THEN:
tan^-1(0.2/d)+tan^-1(1.3/d)=45°
 Now you have 3 ecs and 3 variables.
alfa,B and "d"

3 0
3 years ago
Read 2 more answers
21. What must be added to -9 to have a sum of 20?
Inga [223]

Answer:

21C

22D

23B

24C

25A

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The flagpole is 20 ft high and casts an 8 foot shadow, the oak tree casts a 12 foot shadow. How tall is the oak tree
Fudgin [204]
Answer: 4.8 ft

To answer this question you need to know how much shadow: actual height ratio. Flagpole is having 8 ft shadow with 20 ft actual height. The ratio should be= 8 ft: 20 ft= 0.4

Then multiply the ratio with the oak tree shadow. The equation would be:
0.4 x 12 ft= 4.8 ft  
7 0
3 years ago
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