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3 years ago

1. It costs $5820 to get new windows for a certain house. Each of the 28 windows costs the same amount.

1 answer:

4 0

1.A to find the answer, round $5820 to $6000. Then round $28 to $30. Each curtain would cost an estimate of $200.
1.B 5820/28=<span>207.857142857

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If = 12 –3 a,find the value ofxwhen a= 8

faust18 [17]

Answer:

-12

Step-by-step explanation:

x = 12-3a

When a=8:

x = 12-3(8)

x = 12 - 24

x = -12

5 0

1 year ago

Which one should I choose

bulgar [2K]

Answer:

I believe the answer is 12x 5

5 0

3 years ago

Read 2 more answers

Help will mark brainliest answer

Naddika [18.5K]

Answer : 110 degree

To find angle 1 , we apply outside angle theorem Lets name each point Measurement of arc EF=280 degrees

Measurement of arc GH = 60

Angle D = angle 1

Please refer to the theorem attached below

$angle D = \frac{arc(EF)-arc(GH)}{2}$

Now we plug in the values

$angle 1 = \frac{280-60}{2}$

angle 1 = 110

Measurement of angle 1 = 110 degrees

5 0

2 years ago

Solve the equation for the red variable(C)in R-C=P

BARSIC [14]

If you want to solve the equation

$R-C=P$

for C, you can work like this: subtract P from both sides:

$R-C-P = 0$

Add C to both sides:

$R-P=C$

5 0

3 years ago

An object launched vertically from a point that is 37.5 feet above ground level with an initial velocity of 48.6 feet per second

Elis [28]

Answer: 3.675 seconds

Step-by-step explanation:

Hi, when the object hits the ground, h=0:

h=−16t^2+48.6t+37.5

0=−16t^2+48.6t+37.5

We have to apply the quadratic formula:

For: ax2+ bx + c

x =[ -b ± √b²-4ac] /2a

Replacing with the values given:

a=-16 ; b=48.6; c=37.5

x =[ -(48.6) ± √(-48.6)²-4(-16)37.5] /2(-16)

x = [ -48.6 ± √ 4,761.96] /-32

x = [ -48.6 ± 69] /-32

Positive:

x = [ -48.6 + 69] /-32 = -0.6375

Negative:

x = [ -48.6 - 69] /-32 = 3.675 seconds (seconds can't be negative)

Feel free to ask for more if needed or if you did not understand something.

8 0

3 years ago