3 years ago

10x-3y+2y Write the expression with fewer terms.

Mathematics

1 answer:

zlopas [31]3 years ago

3 0

Answer:

10x-1y

hope this helps

have a good day :)

Step-by-step explanation:

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To the nearest tenth, find the perimeter of ∆ABC with vertices A(-1,4), B(-2,1) and C(2,1). Show your work.

frez [133]

Answer: $\bold{4+3\sqrt2+\sqrt{10}}$

<u>Step-by-step explanation:</u>

Perimeter is the sum of the lengths of the sides. Use the distance formula to find the lengths of each of the sides, then find their sum.

$d_{AB}=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}$

$=\sqrt{(-2+1)^2+(1-4)^2}$

$=\sqrt{(-1)^2+(-3)^2}$

$=\sqrt{1+9}$

$=\sqrt{10}$

$d_{AC}=\sqrt{(x_C-x_A)^2+(y_C-y_A)^2}$

$=\sqrt{(2+1)^2+(1-4)^2}$

$=\sqrt{(3)^2+(-3)^2}$

$=\sqrt{9+9}$

$=\sqrt{18}$

$=3\sqrt{2}$

$d_{BC}=\sqrt{(x_C-x_B)^2+(y_C-y_B)^2}$

$=\sqrt{(2+2)^2+(1-1)^2}$

$=\sqrt{(4)^2+(0)^2}$

$=\sqrt{16+0}$

$=\sqrt{16}$

$=4$

8 0

4 years ago

the cemetery of an angle has a measure of 20 degrees more than twice the measure of the angle X degrees which equation can be us

sweet [91]

Answer:

D: (2x + 20°) + x° = 180°

Step-by-step explanation:

Supplementary angles add up to 180°, so that rules out A and C as possible answers.

Answer B has only one angle, so that is out too.

2x + 20° represents one angle, and x represents the other angle

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3 years ago

What is the rate of change of y with respect to x of the linear function represented by the table below?

Aleks [24]

Answer:

$- \frac{9}{2}$

Step-by-step explanation:

12-3 for the change from the y-intercept

9/-2

$- \frac{9}{2}$

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3 years ago

we were 10 marbles in a bag airport randomly choose to marble from the bag how many red marbles are in the probability of red is

yaroslaw [1]

Answer:

Step-by-step explanation:

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3 years ago

What is 5 divided by 3/4

3241004551 [841]

Answer: 20/3 or 6.67

Step-by-step explanation:

5/1÷3/4

While dividing fractions, flip to the other side to get 5/1×4/3

=20/3

5 0

4 years ago