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Aleksandr-060686 [28]
2 years ago
6

Jay earned $220 during the summer for delivering magazines he bought 5 shirts worth $15 each using his magazine money how much m

oney was left after he bought the shirts
Mathematics
2 answers:
GalinKa [24]2 years ago
6 0
$15 x 5=$75

$220 - $75= $145
maria [59]2 years ago
5 0

Answer:

145

Step-by-step explanation:

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Olenka [21]
0.78 converted to a percent would be 78%
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2 years ago
Which are equivalent to 3
Studentka2010 [4]

Answer: 9/12 is equivalent to 3/4.

Explanation: 3 times 12 = 36 and 4 times 9 = 36.

Hope this helps!

5 0
2 years ago
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state whether the slope of a line passing through (2, -3) and (1, 8) is positive, negative, zero or undefined.
Natalija [7]
Slope = change in y / change in x
 
          = (8 - -3) / (1 - 2)    =   (8 + 3) / ( 1 - 2)
 
          =   11 / -1
    
          = -11

Slope is negative.
4 0
2 years ago
Which additional fact proves that ΔRST and ΔWXY are congruent if ∠T ≅ ∠Y and RT ≅ WY?
sergejj [24]

Answer:

Hence, option A is correct.

Step-by-step explanation:

We are asked to find the fact such that ΔRST and ΔWXY are congruent.

Since, we are given: ∠T ≅ ∠Y  and  RT ≅ WY.

we are given the following assumptions:

∠W = x + 5  

∠X = 3x - 9


∠Y = 2x + 4

as we are given one angle congruent and one side congruent so in order to prove two triangles are congruent we just need to show that one more pair of angles are congruent.

so from the two triangle we could have that ∠W≅∠R

and ∠X≅∠S

Now we will go by options:

A)

if ∠S=2x+20 then as ∠X≅∠S.

3x-9=2x+20

x=29

∠S=∠W=78°.

B)

if ∠R = 2x + 20 then as  ∠W≅∠R

⇒  x+5=2x+20

⇒ x= -15 which is not possible as it will make measure of angle W negative (x+5= -15+5= -10)

C)

if ∠S=2x^2+5 then as  ∠X≅∠S.

⇒ 3x-9=2x^2+5

⇒ 2x^2-3x+14=0

on solving this quadratic equation we will get complex zeros.

Hence, option (C) is not correct.

D)

if ∠R =  2x

^2

+ 5 then as ∠W≅∠R.

⇒ x+5=

2x

^2

+ 5

⇒ 2x^2-x=0

⇒ x(2x-1)=0

either x=0 or x=1/2 which is not  possible.

because by putting this x value in all the angles we see that sum of all the angles of a triangle is not equal  to 180°

Hence, option D is not possible.

Hence, option A is correct.



4 0
3 years ago
IN THE FIGURE 5.24 TO THE RIGHT ABCD IS A RHOMBUS.SHOW THAT AC IS THE BISECTOR OF <BAD.​
Inessa05 [86]

In any rhombus, the four sides are the same length.

Because of this, we know that

  • AD = AB
  • CD = BC

Furthermore, AC = AC due to the reflective property

Those three facts then allow us to prove triangle ACD is congruent to triangle ACB through the SSS congruence property. Then from CPCTC, we then know that  angle DAC = angle BAC,  which is enough to show that AC bisects the angle shown. The term "bisect" means "cut in half".

4 0
2 years ago
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