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matrenka [14]
3 years ago
15

If your cell phone bill was $67.82 and there is a 7.5% late fee How much will your bill be with the late fee included

Mathematics
1 answer:
OLEGan [10]3 years ago
8 0
Should be $72.81 if I’m correct:) please Mark brainliest
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Find the measure of the the sides of DEF then classify it by it sides. <br> D(8,-6) E(-1,-3) F(-2,5)
Mama L [17]

Answer:

Part a) The measure of the sides of triangle DEF are

d_D_E=\sqrt{90}\ units

d_E_F=\sqrt{65}\ units

d_D_F=\sqrt{221}\ units

Part b) Is a scalene triangle

Step-by-step explanation:

we know that

the formula to calculate the distance between two points is equal to

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

we have the coordinates

D(8,-6) E(-1,-3) F(-2,5)

step 1

Find the length side DE

D(8,-6) E(-1,-3)

substitute in the formula

d=\sqrt{(-3+6)^{2}+(-1-8)^{2}}

d=\sqrt{(3)^{2}+(9)^{2}}

d_D_E=\sqrt{90}\ units

step 2

Find the length side EF

E(-1,-3) F(-2,5)

substitute in the formula

d=\sqrt{(5+3)^{2}+(-2+1)^{2}}

d=\sqrt{(8)^{2}+(-1)^{2}}

d_E_F=\sqrt{65}\ units

step 3

Find the length side DF

D(8,-6) F(-2,5)

substitute in the formula

d=\sqrt{(5+6)^{2}+(-2-8)^{2}}

d=\sqrt{(11)^{2}+(-10)^{2}}

d_D_F=\sqrt{221}\ units

step 4

Classify the triangle by the measure of its sides

we have

d_D_E=\sqrt{90}\ units

d_E_F=\sqrt{65}\ units

d_D_F=\sqrt{221}\ units

so

Is a scalene triangle, because is a triangle in which all three sides have different lengths.

6 0
3 years ago
Solve for x: 24x + 12 = 16
vfiekz [6]

Answer:

x=1/6 or x=0.1666666667

Step-by-step explanation:

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2 years ago
What is the size of angle ABC
otez555 [7]
The size of the triangle is 55 degrees.
7 0
3 years ago
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How many $1 bills are the same as one$100 bill
Mila [183]

There are one-hundred $1 in $100.

4 0
3 years ago
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Jonah is going to the store to buy candles small candles cost $3.50 and large candles cost five dollars he needs to buy at least
marysya [2.9K]

Answer:

He can purchase a maximum of 6 large candles.

Step-by-step explanation:

If he purchases 6 large candles and 14 small candles:

$5.00 x 6 = $30.00

$3.50 x 14 = $49.00

$49.00 + $30.00 = $79.00

6 0
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