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Verdich [7]
3 years ago
13

Lisa is 4 years older than three times her brother Sammy’s age.

Mathematics
2 answers:
AnnyKZ [126]3 years ago
5 0
A because 3 sammys age plus 4 is lisas age. 
Alina [70]3 years ago
4 0
The correct choice is d
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The combined average weight of an okapi and a llama is 450450 kilograms. The average weight of 33 llamas is 190190 kilograms mor
Nataliya [291]

Answer:

Okapi 290 kg

Llama 160 kg


Step-by-step explanation:

Let weight of each llama be  l

Let weight of each okapi be  o


<em>Given, combined weight of 1 okapi and 1 llama is 450, we can write:</em>

<em>l+o=450</em>

<em>Also, average weight of 3 llama is 190 more than the average weight of 1 okapi, thus we can write:</em>

<em>3l-190=o</em>


Now, substituting 2nd equation into 1st equation, we can solve for weight of 1 llama:

l+o=450\\l+(3l-190)=450\\l+3l-190=450\\4l=450+190\\4l=640\\l=\frac{640}{4}=160


Each llama weights 160 kg, now using this and plugging into 2nd equation, we get weight of 1 okapi to be:

o=3l-190\\o=3(160)-190\\o=290

Each okapi weigh 290 kg

5 0
3 years ago
A scientist invents a car that can travel for many hours without stopping for fuel. The car travels around a track at 54 miles a
Alla [95]

Answer: 1,296 m iles

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:  

Distance = Speed rate x time

  • speed rate = 54 miles per hour
  • time = 24 hours

Replacing with the values given and solving for D (distance)

D = 54 mph x 24 h = 1,296 m

The car traveled 1,296 miles

Feel free to ask for more if needed or if you did not understand something.

3 0
3 years ago
The diagram shows the dimensions of a storage container. Rectangular prism with height as 8 feet and area of base as 108 sqaure
Alexxx [7]

Answer:

A

Step-by-step explanation:

Volume of rectangular prism = Area of base * height

                                                = 108 * 8

4 0
3 years ago
Which set of numbers CANNOT represent the lengths of the sides of a triangle?
posledela

Answer:

C

Step-by-step explanation:

The general rule is that any 2 must exceed the third in order for a triangle to form. If any one is an exception, it won't work.

A will form a triangle. Any 2 exceeds the third.

B also forms a triangle. Same rule.

C  does not work. 7 + 11 = 18 which is the value of the third leg.

D words Any two exceeds the 3rd.

4 0
3 years ago
12 chickens lay 30 eggs how many eggs per chicken
algol13
10 chickens lay 2 eggs each. But 2 chickens lay 3 eggs each
4 0
3 years ago
Read 2 more answers
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