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Lesechka [4]
3 years ago
9

Use the distance formula to find the distance to the nearest 10th from R(7,-2) to w(-2,3).

Mathematics
1 answer:
Jlenok [28]3 years ago
7 0

Answer:

10.3

Step-by-step explanation:

d = sqrt ((x2 - x1)^2 + (y2 - y1)^2)

(7,-2)....x1 = 7 and y1 = -2

(-2,3)...x2 = -2 and y2 = 3

now we sub

d = sqrt ((-2 - 7)^2 + (3 - (-2)^2)

d = sqrt ((-9^2) + (5^2))

d = sqrt (81 + 25)

d = sqrt (106)

d = 10.295 rounds to 10.3 <===

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How much money is in Joe's savings account after 3 years if he deposited $400 at the beginning of the year and the account pays
yan [13]

Answer:

Total amount in Joe's savings account T = $448

Step-by-step explanation:

Given;

time t = 3 years

Annual rate r = 4%

Principal P = $400

Simple interest can be expressed as;

I = Prt/100

Substituting the given values;

I =400×4×3/100 = 4800/100

I = $48

Total amount in account T;

T = P + I = $400 + $48 = $448

7 0
3 years ago
Read 2 more answers
Solve for k: -3k -3k = -29 + 77
sineoko [7]

Answer:

k=48

Step-by-step explanation:

Add  -29 and 77

k: -3k -3k =48

6 0
3 years ago
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Is the answer English?
Vesnalui [34]
Yes indeed it is. Your correct
3 0
3 years ago
The radius of the circle is 7 inches what is the approximate length of AB (AB is 135 degrees
Sholpan [36]
We know that
circumference=2*pi*r
for r=7 in
circumference=2*pi*7------> 14*pi in

if 360° (full circle)  has a length of------------ 14*pi in
 135°-----------------------------> x
x=135*14*pi/360----------> x=5.25*pi in--------> 16.49 in

the answer is
5.25*pi in  or 16.49 in 
6 0
3 years ago
Solve each equation. <br> 2y=7(y−2)+4<br> y = <br> 4x=6−2(2−x) <br> x =
aliya0001 [1]

Answer:

y=2 and x=1

Step-by-step explanation:

2y=7y-14+4

2y-7y=-14+4

-5y=-10/-5

y=2

4x=6-4+2x

4x-2x=6-4

2x=2/2

x=1

5 0
2 years ago
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