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Lana71 [14]
2 years ago
14

Find the missing side length ​

Mathematics
1 answer:
lidiya [134]2 years ago
7 0

Answer:

The length of the missing side is

4 \sqrt{5}  \\ if \: you \: want \: it \: not \: simplified \: it \: would \: be \: \\  \sqrt{80}

Step-by-step explanation:

You could do Pythagorean theorem which is:

{a}^{2}  +  {b}^{2}  =  {c}^{2}  \\ {8}^{2}  +  {4}^{2}  =  {c}^{2}  \\{64}  +  {16}  =  {c}^{2}  \\  \sqrt{80}  =  {c}^{2}  \\   4\sqrt{5}  = c

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A bat and a ball cost one dollar and ten cents in total. The bat costs a dollar more than the ball. How much does the ball cost?
Aleks04 [339]
Set up an algebraic equation: b=cost of ball
1.10=1+b+b
1.10=1+2b
subtract 1 from both sides
.10=2b
divide by 2 on both sides
ball=5 cents
6 0
2 years ago
A scale factor that is less than 1, but greater than 0 is​
swat32

Since the scale factor is smaller than one (the original), the resulting image is smaller than the original.

Hope this helped, and feel free to ask more questions if needed(:

7 0
2 years ago
Read 2 more answers
The equation 201.50=f+6.50(21) represents the cost of printing the shirts at a second printing company. Find the solution to the
AveGali [126]

Answer:

f = 65

Setup cost = 65

Step-by-step explanation:

Given the equation : 201.50=f+6.50(21)

Solving for f:

201.50 = f + 136.50

201.50 - 136.50 = f

f = 65

The equation above is written in the form a slope intercept function where,, 6.50 is the gradient and X equals the number of shirts, The total cost of printing is 201.50

f is the intercept and represents the initial fee or setup cost. Hence, the setup. Cost = 65

5 0
2 years ago
Can someone help me with this problem ​
Alex_Xolod [135]

Answer:

<h2>A = 20</h2><h2>P = 6√10</h2>

Step-by-step explanation:

The formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

A(-3, 0) , B(3, 2)

AB=\sqrt{(3-(-3))^2+(2-0)^2}=\sqrt{6^2+2^2}=\sqrt{36+4}=\sqrt{40}=\sqrt{4\cdot10}=\sqrt4\cdot\sqrt{10}=2\sqrt{10}

A(-3, 0), D(-2, -3)

AD=\sqrt{(-2-(-3))^2+(-3-0)^2}=\sqrt{1^2+(-3)^2}=\sqrt{1+9}=\sqrt{10}

AB = CD and AD = BC

The area of a rectangle:

A=(AB)(AD)

Substitute:

A=(2\sqrt{10})(\sqrt{10})=(2)(10)=20

The perimeter of a rectangle:

P=2(AB+AD)

Substitute:

P=2(2\sqrt{10}+\sqrt{10})=2(3\sqrt{10})=6\sqrt{10}

4 0
3 years ago
Y+2x=-1 y= 1/2x+4 value of x
STALIN [3.7K]
X=2

I have an image showing all work

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3 years ago
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