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3 years ago

Please help meee ASAP

Mathematics

2 answers:

Kruka [31]3 years ago

5 0

Answer:

The perimeter is 63 units (B).

Step-by-step explanation:

To find the perimeter, you must add up all the sides.

So...

13 + 9 + 8 + 5 + 4 + 13 + 5 + 6 = 63 units

The answer would then be B -> 63 units

Aliun [14]3 years ago

3 0

The answer is B. 63 units

Explanation:

Perimeter is the outside of the shape, so you have to add up all the sides.

13+9+8+5+4+13+5+6=63

Perimeter= 63 units

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Solve this system of linear equations. Separate

Arte-miy333 [17]

Answer:

x = -7, y = -1

Step-by-step explanation:

Solve the following system:

{3 y - 2 x = 11 | (equation 1)

2 y + 3 x = -23 | (equation 2)

Swap equation 1 with equation 2:

{3 x + 2 y = -23 | (equation 1)

-(2 x) + 3 y = 11 | (equation 2)

Add 2/3 × (equation 1) to equation 2:

{3 x + 2 y = -23 | (equation 1)

0 x+(13 y)/3 = -13/3 | (equation 2)

Multiply equation 2 by 3/13:

{3 x + 2 y = -23 | (equation 1)

0 x+y = -1 | (equation 2)

Subtract 2 × (equation 2) from equation 1:

{3 x+0 y = -21 | (equation 1)

0 x+y = -1 | (equation 2)

Divide equation 1 by 3:

{x+0 y = -7 | (equation 1)

0 x+y = -1 | (equation 2)

Collect results:

Answer: x = -7, y = -1

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3 years ago

15 pts + brainliest to right/best answer

ZanzabumX [31]

Rewrite it in the form a^2 - b^2, where a = 2x and b = 5

(2x)^2 - 5^2

Use the Difference o Squares: a^2 - b^2 = (a + b)(a - b)

(2x + 5)(2x - 5)

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4 years ago

Read 2 more answers

: Subtract 9 7/10 - 2 2/10 = A: 7 2/10 B: 7 5/10 C: 7 7/10 D: 7 9/10

snow_lady [41]

Answer:

B) 7 5/10

Step-by-step explanation:

9-2 is 7

7/10 - 2/10 is 5/10

7 + 5/10 = 7 5/10

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3 years ago

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3 years ago

Write the equation of the line that passes through (-3,5) and (2, 10) in slope-intercept form.

cupoosta [38]

Answer:

$y=x+8$

Step-by-step explanation:

Slope of straight line can be calculated as

$m=\frac{y_2-y_1}{x_2-x_1}$

Here $(x_1, y_1)=(-3, 5) \ and \ (x_2, y_2) = (2, 10)$

$m =\frac{10-5}{2-(-3)}\\m=1$

Equation of straight line in slope intercept form is

$y-y_1=m(x-x_1)\\y-5=(x+3)$

$y=x+8$

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3 years ago