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12345 [234]
3 years ago
6

Help with geometry..............................

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
7 0
(y2-y1)/(x2-x1)
(-7-5)/(4-2)
-12/2= -6
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Determine value of y
Alik [6]
Cos 28 = 18/ y
so
y = 18 / cos 28
y = 18 /.8829
y = 20.4 
8 0
3 years ago
Sara's savings account balance changed by -$34 one week and by -$67 the next week .Which amount represents the greater change?
fomenos
<u />The greater change is represented by the absolute magnitude

|-34| = 34
|-67| = 67

67 > 34

<u><em>-67 represents the greater change</em></u>
4 0
3 years ago
Read 2 more answers
Find the area plzzzzzzxxxzzxxxzzzzzzz
nikitadnepr [17]

Step-by-step explanation:

step 1. break up the shape into 2 triangles and one rectangle

step 2. A = area of triangle 1 (t1) + area of triangle 2 (t2) + area of the rectangle (r)

step 3. t1 = (1/2)bh where b is the base and h is the height. definition of the area of a triangle.

step 4. t1 = (1/2)(3)(2) = 3ft^2.

step 5. t2 = (1/2)(3)(3) = 4.5ft^2.

step 6. r = bh where b is the base and h is the height. definition of the area of a rectangle.

step 7. r = bh = (8)(4) = 32ft^2.

step 8. A = t1 + t2 + r = 3 + 4.5 + 32 = 39.5ft^2.

5 0
3 years ago
P=$222 r=12% Y=10 A=?
sergey [27]
To solve for the A or the principal amount plus interest you can use two formulas:

A = P + I

Where: P = Principal
             I  = Interest

or you can use 

A = P (1+ rt)

Where: P = principal
             r  = rate in decimal
             t  = time in years

With your given you can use the second one, without having to use the first. 
Given that the Principal amount is $222 and the rate is 12% and time is 10 years, we first need to convert your rate into decimal by dividing the value in percent by 100 which will yield 0.12. 

Then now we can just input the data that you know into the formula:
A = P(1+ rt)
   = $222(1 + (0.12)(10))
   = $222(2.2) 
   = $488.40

Your A is then equal to $488.40

If you need to get the simple interest all you need to use is the first formula given:

A = P + I
for the interest you transpose the P to the side of the A and you will get:
I = A - P
  = $488.40 - $222
  = $266.40

$266.40 is the added interest to the principal amount. 
7 0
3 years ago
What are the solutions to the equation? x2(x+2)(x+6)=0 Enter your answers in the boxes. x = or x = or x =
Talja [164]

x^2(x+2)(x+6)=0\\\\x^2=0 \vee x+2=0 \vee x+6=0\\\\x=0 \vee x=-2 \vee x=-6

5 0
2 years ago
Read 2 more answers
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