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sweet [91]
3 years ago
12

Which of the following terms can be combined in this expression? -13 - x/5 + 6.2y + 20.5x - 3/8y

Mathematics
2 answers:
dsp733 years ago
3 0
C. 6.2g can be combined with -3/8y. This is because they both end in ‘y’.
Ad libitum [116K]3 years ago
3 0

Answer:

C. 6.2y can be combined with -3/8y.

Step-by-step explanation:

6.2y can be combined with -3/8y because both numbers have the same variable x. All of the other choices have different variable that are not like terms.

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PLEASE HELP ME I AM DOING A TEST!!!
Oliga [24]

Answer:

1/8 cm^3

Step-by-step explanation:

If s=1/2 and V=s^3, then V=1/2^3=8. Therefore the volume of the cube is 1/8cm^3.

6 0
3 years ago
The equation of a circle is given below.
sergeinik [125]

Answer:

Center is (-12,9)

Step-by-step explanation:

Given: Equation of a circle is (x+12)^2+(y-9)^2=35

To find: center of the circle

Solution:

A circle is a locus of all points which are at equidistant from the fixed point (center).

Equation of a circle is of form (x-a)^2+(y-b)^2=r^2 where (a,b) represents center of the circle and r denotes radius of the circle.

Given equation is (x+12)^2+(y-9)^2=35

\left [ x-(-12) \right ]^2+(y-9)^2=35

Compare this equation with (x-a)^2+(y-b)^2=r^2

Center is (a,b)=(-12,9)

7 0
4 years ago
John's employer increased his annual salary of $55,000 by $5,700. What percent was his raise, rounded to the nearest tenths plac
Free_Kalibri [48]

Answer:

3.64% (when rounded to the nearest hundredth)

Step-by-step explanation:

I'm assuming by 5700 you actually mean 57,000.

Calculate the percent change:

(57,000-55,000)/55,000 *100

(2000/55000)x100

0.036363x100

3.6363 rounded to the nearest hundredth is 3.64

3 0
2 years ago
A student writes the equation for a line that has a slope of -6 and passes through the point (2, –8).
allochka39001 [22]
If you wrote this in point-slope form, it’ll be y+8=-6(x-2).

This equation written in slope intercept form would be y = -6x+4.

He messed up because he was supposed to change the double negative into a positive then solve. He was not supposed to add 8 on both sides.

So, the answer is y = -6x+4.

Hope this helps!
6 0
3 years ago
While traveling to Europe, Phelan exchanged 250 US dollars for euros. He spent 150 euros on his trip. After returning to the Uni
marishachu [46]
Hello!

He spends 150 euros so he has 32.66 euros at the end of his trip. To convert it back he does: 1.3687 dollars/1 euro • 32.66 euros = 44.701742 dollars = 44.70 dollars
7 0
3 years ago
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