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klemol [59]
3 years ago
8

15(15b−7)=3b−9 plz help meee

Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
4 0

Answer:

B=16over37

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

15(15b−7)=3b−9

(15)(15b)+(15)(−7)=3b+−9(Distribute)

225b+−105=3b+−9

225b−105=3b−9

Step 2: Subtract 3b from both sides.

225b−105−3b=3b−9−3b

222b−105=−9

Step 3: Add 105 to both sides.

222b−105+105=−9+105

222b=96

Step 4: Divide both sides by 222.

222b

222

=

96

222

Then simplify

RideAnS [48]3 years ago
3 0

b=0.727 ...............

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SOMEONE PLEASE HELP ME <br> IT'S TIMED
UkoKoshka [18]

Answer:

<h2>H = 8 cm</h2>

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

We have

r=6cm,\ V=904.78\ cm^3

Substitute:

\pi(6^2)H=904.78\\\\36\pi H=904.78\qquad\text{use}\ \pi\approx3.14\\\\(36)(3.14)H=904.78\\\\113.04H=904.78\qquad\text{divide both sides by}\ 113.04\\\\H\approx8\ cm

3 0
4 years ago
Show how you know 7+7=14 can help you find 7+9.
Mademuasel [1]

Answer:

so 7+7=14

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that's how u can make sure ur answer is right

3 0
3 years ago
Solve for a in the diagram below.
Tresset [83]

Answer:

20

Step-by-step explanation:

We can tell from the little square in the corner that this is a 90 degree angle, so all three of the expressions of x should add up to 90:

x + 2x + (x + 10) = 90

Combine like terms:

4x + 10 = 90

4x = 80

Divide by 4:

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Hope this helps!

7 0
4 years ago
Read 2 more answers
31.8 miles per hour to feet per second
Vadim26 [7]
Ok so I just worked this problem out for my Home Work AKA HW but the answer I got is I hope that I got this right I'm not sure if it's right but I got the answer that I think that this might be right so here's my answer i know I made this long but here I am finally getting to my point and the answer is 15.7
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3 years ago
1/4(24x+12)=6(x+1/2)
forsale [732]

Answer:

The final answer cannot be decided

Step-by-step explanation:

Since 1/4(24x+12)=6(x+1/2)

This can also be written as

24x+12/4=6(x+1/2)

So let's open the bracket from the right side and also solving using the LCM

24x+12/4=6(2x+1/2)

Open the bracket

24x+12/4=3(2x+1)

24x+12/4=6x+3

Cross multiply

24x+12=4(6x+3)

24x+12=24x+12

Collect like terms

24x-24x=12-12

0=0

Therefore the final answer cannot be decided

7 0
3 years ago
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