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zysi [14]
3 years ago
6

Hi please help me solve this questions thanks

Mathematics
1 answer:
ioda3 years ago
4 0
Perimeter=2(length(x)+width(y))

16=2(l+w)

16=2(5+3)

5+5+3+3=16

length (2 sides) =5+5=10
width (2 sides) =3+3=6



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Katen [24]

Answer:

4-3=1

8+9=17

7 x 2= 14

Step-by-step explanation:

8 0
2 years ago
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Find the distance between A and B.
Papessa [141]

Answer:

The result is d = 2\sqrt{5} units.

Step-by-step explanation:

The coordinates for A and B:

A = (-2, 0)

B = (2, 2)

-To find the distance between A and B, you need the distance formula:

d = \sqrt{(x_{2} - x_{1})^2 + (y_{2}-y_{1})^2} Where the first coordinate is (x_{1},y_{1}) and  the second coordinate is (x_{2}, y_{2}).

-Use the coordinates A and B for the equation:

d = \sqrt{(2+2)^2 + (2-0)^2}

-Then, you solve the equation:

d = \sqrt{(2+2)^2 + (2-0)^2}

d = \sqrt{(4)^2 + (2)^2}

d = \sqrt{16 + 4}

d = \sqrt{20}

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7 0
3 years ago
For what value of the constant c is the function fcontinuous on (−[infinity], [infinity])?
Arlecino [84]

Answer:

For c=\frac{1}{7} the function f(x) is continuous on (-\infty,\infty).

Step-by-step explanation:

We have the following function

f(x) = \left\{        \begin{array}{ll}            cx^2+5x & \quad x

For the function f(x) to be continuous on (-\infty,\infty) it is sufficient to have continuity at x = 6, we need to ensure that as x approaches 6, the left and right limits match, this means that

\lim_{x \to 6^{-} } f(x)=\lim_{x \to 6^{+} } f(x)=f(x),

which holds if and only if

c\left(6\right)^2+5\left(6\right)=\left(6\right)^2-c\left(6\right)\\36c+30=36-6c\\42c=6

namely if c=\frac{1}{7}.

6 0
3 years ago
-45 divided by -9 .........
dmitriy555 [2]
5 because it’s a double negative which offsets the answer to be positive 5
7 0
3 years ago
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Please help. I’ll mark you as brainliest if correct . Dave took an exam with 40 questions. He answered 26 correctly. What was hi
ValentinkaMS [17]

Answer:

65%

Step-by-step explanation:

26/40 = 0.65

0.65 X 100 =65

8 0
3 years ago
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