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aleksandrvk [35]
3 years ago
10

Simplify the following expressions ( use distributed property )

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
6 0
-9+3x

2(9-3x)/-2

-(9-3x)

-9+3x

Brainliest?
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Leah measured the elementary school and made a scale drawing. She used the scale 1 centimeter : 4 meters. The school yard is 60
spayn [35]

Answer: 15 meters

Step-by-step explanation:

1cm/4m= X cm/ 60 m

Cross multipsy

4x=60

Divide by 4

X=15

6 0
4 years ago
<img src="https://tex.z-dn.net/?f=%20%5Cint%5Climits%5E5_1%20%7B%20%5Cfrac%7BlnR%7D%7B%20R%5E%7B2%7D%20%20%7D%20%5C%2C%20dR%20"
alex41 [277]
Integrate by parts, setting

\begin{matrix}u=\ln R&&\mathrm dv=\dfrac{\mathrm dR}{R^2}\\\mathrm du=\dfrac{\mathrm dR}R&&v=-\dfrac1R\end{matrix}

So the integral is

\displaystyle\int_1^5\frac{\ln R}{R^2}\,\mathrm dR=-\dfrac{\ln R}R\bigg|_{R=1}^{R=5}+\int_1^5\frac{\mathrm dR}{R^2}
\displaystyle\int_1^5\frac{\ln R}{R^2}\,\mathrm dR=-\left(\frac{\ln5}5-\frac{\ln1}1)-\frac1R\bigg|_{R=1}^{R=5}
\displaystyle\int_1^5\frac{\ln R}{R^2}\,\mathrm dR=-\frac{\ln5}5-\left(\frac15-1\right)
\displaystyle\int_1^5\frac{\ln R}{R^2}\,\mathrm dR=\frac15(4-\ln5)
5 0
4 years ago
In the diagram AB Is the perpendicular bisector of PH. Help
Rus_ich [418]

Answer:

1,2 and 5 are your right answers! Please vote Brainliest!

Step-by-step explanation:

3 0
3 years ago
I need help with this one ?
Vedmedyk [2.9K]
The y intercept is 1
7 0
3 years ago
Read 2 more answers
A bag of skittles has 50 pieces of candy what percentage is orange ps. there are 11 orange skittles
Oliga [24]

Answer:

I think the answer is 22% but I am not sure

Step-by-step explanation:

Percentage solution with steps:

Step 1: We make the assumption that 50 is 100% since it is our output value.

Step 2: We next represent the value we seek with X

Step 3: From step 1, it follows that 100%=50

Step 4: In the same vein, x%=11.

Step 5: This gives us a pair of simple equations:

100%=50(1).

X%=11(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the left hand side of both equations have the same unit; we have

100% / X% = 11 / 50

X = 22%

Step 7: Taking the inverse (or reciprocal) of both sides yields

X% / 100% = 11 / 50

Therefore, 11 is 22% of 50.

5 0
3 years ago
Read 2 more answers
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