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yawa3891 [41]
3 years ago
7

When 80% of a number is added to the number, the result is 252. what is the number

Mathematics
1 answer:
Rashid [163]3 years ago
3 0
I Think The Answer Is 140.

The Expression: 0.8x + x = 252 Can Explain The Answer If x = 140.
Or: 1.8 Times x = 252 If x = 140.

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ryan is seeling cookies to raise money for charity. he is selling chocolate chip cookies for $10 a package and sugar cookies for
Lapatulllka [165]

Answer:

The number of packages of chocolate chip cookies sold was 44 and the number of packages of sugar cookies sold 161

Step-by-step explanation:

Let

x ----> the number of packages of chocolate chip cookies sold

y ----> the number of packages of sugar cookies sold

we know that

10x+4y=1,084 -----> equation A

x+y=205 -----> equation B

Solve the system of equations by graphing

The solution is the intersection point both graphs

using a graphing tool

The solution is the point (44,161)

see the attached figure

therefore

The number of packages of chocolate chip cookies sold was 44 and the number of packages of sugar cookies sold 161

8 0
3 years ago
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denpristay [2]

Answer:

38

Step-by-step explanation:

9 + 10 + 2 + 6 + (9 - 2) + (10 - 6) = 38

6 0
2 years ago
What is an equation of the line that passes through the points (-8,-6) and<br> (3, – 6)?
Maksim231197 [3]

Answer:

y=-6

Step-by-step explanation:

The y value isn't changing when the x value does. This means there is no rate of change or gradient. So in y=mx+c m=0 so we get y=c, c is always -6.

6 0
3 years ago
(1 - cos ß)(1 + cos ß) =1/cosec^2(ß)
iVinArrow [24]

Step-by-step explanation:

L.H.S=(1-cosB)(1+cosB)

=(1-cos^2B). {using (a+b) (a-b)=(a^2-b^2)in second step}

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=1/cosec^2B

Therefore,L.H.S=R.H.S proved

5 0
2 years ago
Please help I’m honestly gonna cry lol
BARSIC [14]

Answer: 2z-15

Step-by-step explanation

Based on the visual image, AD is a line where a point O intersects somewhere on the line. AD is represented as 3z-11, while the segment from AO is represented as z+4.

In order to find the answer, we must subtract the entire line (AD) from AO in order to find the missing segment OD.

AD    -  AO   = OD

(3z-11) -  (z+4) = OD

Distribute the negative sign so it becomes:

(3z-11) -z - 4 = OD

Now combine like terms.

(3z-z) +(- 11 -4)= OD

2z - 15 = OD

And that is your answer!

6 0
2 years ago
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