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dalvyx [7]
2 years ago
9

Tysrusuhxguyuxytwsys

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
7 0
Thx tahayahahataghaahtsyaha
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What is 2/9b=1/3b-7 the answer
Travka [436]
If you would like to know solve the equation 2/9 * b = 1/3 * b - 7, you can calculate this using the following steps:

2/9 * b = 1/3 * b - 7
2/9 * b - 1/3 * b = -7
2/9 * b - 3/9 * b = -7
-1/9 * b = -7
1/9 * b = 7     /*9
b = 7 * 9
b = 63

The correct result would be 63.
5 0
3 years ago
ABC and AED are straight lines. BE and CD are parallel. AC = 12.3cm AB = 8.2cm BE = 3.8cm a) Work out length CD. AD = 9.15cm
elena-14-01-66 [18.8K]

Answer:

15.33cm

Step-by-step explanation:

when you try to draw out this figure, satisfying the fact that Ad and Ac are both straight lines. you find the ultimately  it forms a right-angled triangle with sides AC and AD and hypotenuse CD.

Now, you may use Pythagoras theorem to solve:

AC^2 + AD^2 = CD^2

12.3^2 + 9.15^2 = CD^2

CD^2 = 235.0125

CD = square root of 235.0125 = 15.33cm

Hope this helps

6 0
3 years ago
How do i solve functions?
Maksim231197 [3]
Most quadratic functions(which is what you have there, to a degree of 2) are solved using factoring and the zero product law. If you can not factor then you have to use the quadratic formula or graph it. However this one can be factored.
It's pretty simple to just factor it by inspection but I use the chart method, if you know decomposition that works as well.
Factoring gives us,
(2x + 1)(x - 3) = 0
Then you set each factor to 0 and solve for x,
2x + 1 = 0
2x =  - 1
x =  \frac{ - 1}{2}
And the second one,
x - 3 = 0
x = 3
The solutions to this equation are
x = -1/2, 3
6 0
3 years ago
What is y - 2 = -3 [x-7] written in standard form
Akimi4 [234]
Y=-3x+23

distribute -3, get y alone (add 2 to both sides)
3 0
3 years ago
For a school fundraiser, Elena will make pirate masks. She will order masks and print graphics on them. Elena must spend $349 on
SpyIntel [72]

Answer:

135 masks

Step-by-step explanation:

i hope my math is right lol

6 0
2 years ago
Read 2 more answers
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