3 years ago

Count ostriches and llamas. Someone counted 47 heads and 122 legs. How many of each animals is on the farm.

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

5 0

Llamas: 42 Ostriches: 44

I'm not sure

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Which factor did the railroad contribute to by encouraging population growth in West Texas from 1870 to 1890?

wariber [46]

Answer:

Step-by-step explanation:i took the test

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3 years ago

Which number line represents the solutions to –2|x| = –6? A number line from negative 8 to 8 in increments of 1. Two points, one

Elenna [48]

|–2x| = -6

=> 2x = 6

=> x = 3

and,

=> 2x = -6

=> x = -3.

Two points, one at negative 3 and one at 3.

8 0

3 years ago

Read 2 more answers

Solve the equation using the order of operations.<br><br> 5+{2×[(5−1)+6]}÷4

creativ13 [48]

Answer:

The order of operations is PEMDAS

First step is to do everything is parenthesis or brackets

5+{2*[(5-1)+6]}/4

{2*[(5-1)+6]}

First you would go 5-1=4, because that is the first equation that is in parenthesis by itself.

{2*[4+6]}

Next you would go 4+6=10, because that is your next smallest bracket

{2*10}

Last you would go 2*10=20

Your equation now looks like this

5+{20}/4

In PEMDAS your next step is exponents, but we don't have any so we go on to the next one which is multiply/division

5+5

You would go 20/4=5

Last step is to add/subtract

5+5=10

Your final answer would be 10

Hope this helps ;)

Step-by-step explanation:

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3 years ago

Find the area of this figure (sides meet at right angles)

Marrrta [24]

Answer:

60 cm²

Step-by-step explanation:

Just divide the figure in parts and then find their areas separately. At last, find the area of the whole figure by adding the areas of the parts

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3 years ago

Find the area of the surface. the part of the surface z = xy that lies within the cylinder x2 + y2 = 81

Anika [276]

Ans: The area of the surface is: 1553.081

Explanation: Please see the image attached with this answer (find attachment).

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3 years ago