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artcher [175]
3 years ago
11

Evaluate Y - R for R= -2 and Y= -7

Mathematics
1 answer:
Semmy [17]3 years ago
8 0

Answer:

5

Step-by-step explanation:

-2 - (-7)

you have to do the opposite of the sign and switch the last number from neg to pos

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a shopkeepee bought 7 books for rs.525 and sold 4 books for rs 360 .if he/she sold the remaining books at the same rate of cost
AnnyKZ [126]

Answer:

His profit is 105 rs

Step-by-step explanation:

if he bought 7 books for 525 RS,that means 1 book costs 75 rs

if he sold 4 books for 360 RS,that means 1 boo costs 90 RS

90×7=630.

630-525=105

8 0
3 years ago
What is the approximate circumference of a semicircle with a radius of 6 centimeters?18.8 centimeters37.7 centimeters75.4 centim
Shkiper50 [21]
 hello : 
the circumference of a semicircle   : 2πr/2 =πr
p/2 = <span>πr =3.14(6) =18.8 cm
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8 0
3 years ago
How could you change the equation from 5x+2=5x+5 so it has infinitely many solutions?
Ganezh [65]

I'm working on the same thing right now and I'm using every resource in my hands right now to find a solution. I will edit this post when I have more. If you need any more help I have completed the previous activity and most of this one.

EDIT:

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I put EVERYTHING for this assignment in comments down below. Geez all of this for 5 freakin points.

4 0
3 years ago
F(x) = -2x + 4<br> g(x) = 2x^2 – 2x - 8<br> Find: (gof)(x)
icang [17]

Answer:

Step-by-step explanation:

f(x)=-2x+4\\g(x)=2x^2-2x-8\\(g\circ f)(x)=g(f(x))\\=g(-2x+4)\\=2(-2x+4)^2-2(-2x+4)-8\\=2(4x^2-16x+16)+4x-8-8\\=8x^2+(-32x+4x)+(32-8-8)\\=8x^2-28x+16

5 0
2 years ago
Claire is 12 years old. Her brother roger is 4 years old, and their mother is 36 years old. Which fraction shows the ratio of Cl
ki77a [65]

Answer:

D.) 1/3

Step-by-step solution:

12/36 can be simplified to 1/3.

5 0
3 years ago
Read 2 more answers
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