What are the like terms in this exspression 9a-3b + 4ab

Mathematics

2 answers:

vova2212 [387]2 years ago

7 0

Answer:

none of these terms are like terms

notsponge [240]2 years ago

6 0

Answer:

there is no like terms in this expression

Step-by-step explanation:

there is "a", "b" and "ab"

you cant combine anything because they are all different

Hope this helps!!

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486 is what percent of 900

gladu [14]

486/900 = .54 = 54%. .......

3 0

2 years ago

Plsss help. Thanks!!

slava [35]

Answer:

401

Step-by-step explanation:

1. Approach

To solve this problem, one first has to think about the given figure in a certain way. In the figure, one can see that it is a circle attached on either side of a rectangle. To find the perimeter of the figure, one has to find the circumference of the circle and then add two sides of the rectangle to the answer

2. Circumference of the circle

The formula to find the circumference of a circle is;

$2r$ (pi) or $d$ (pi)

~ diameter times the value (pi)

Normally to find the circumference of a semicircle, one would have to divide this formula by 2, but since in this case, one has to add two congruent semicircles, so therefore, the effect of dividing the equation by two, only to multiply by two again cancels, and hence, there is no need to divide by 2.

Substitute in the values;

(78)(pi)

~ 245

3. Find the perimeter of the entire object

Now, one has to add the two additional sides of the figure, to the circumferences of the semicircles to get the final answer;

78 + 78 + 245

= 401

3 0

2 years ago

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a communication satellite is 35800 km above the equator. Find its angle of elevation from Houston, whose latitude is 29.7

Ne4ueva [31]