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zaharov [31]
3 years ago
10

Find the measure of angle b

Mathematics
2 answers:
Stella [2.4K]3 years ago
6 0

Answer:

40° that's the answer hope I helped

mestny [16]3 years ago
3 0

Answer:

40 degrees

Step-by-step explanation:

180-140=40

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The price of a television was reduced $250 to $200. By what percentage was the price of the television reduced
Lubov Fominskaja [6]

Answer:

The percentage of the price of television reduced to <u>20%</u>.

Step-by-step explanation:

Given:

The price of a television was reduced $250 to $200.

Now, to find the percentage of the reduced price of television.

So, to get the reduced amount of television:

Old price = $250.

New price = $200.

Reduced amount = $250 - $200 = $50.

Now, to get the percentage of price reduced:

\frac{Reduced\ amount}{Old\ price} \times 100

=\frac{50}{250}\times 100

=\frac{5000}{250}

=20\%.

Therefore, the percentage of the price of television reduced to 20%.

3 0
4 years ago
Every day a factory produces 5000 light bulbs, of which 2500 are type 1 and 2500 are type 2. if a sample of 40 light bulbs is se
alisha [4.7K]
<span>The solution: = 40, p = q = 0.5 P[x] = nCx *p^x *q^(n-x) when p = q = 0.5, the formula simplifies to P[x] = nCx/2^n = 40Cx/2^40 at least 18 of each type means 18 to 22 of (say) type I P(18 <= X <= 22) = 0.5704095 <------- qb mean = 40*0.5 = 20 SD = sqrt(npq) = sqrt(40*0.5*0.5) = 3.1623 z1= (18-20)/3.1623 = -0.63 , z2 = (22-20)/3.1623 = 0.63 P(-0.63 < z < 0.63) = 0.4713 <-------</span>
5 0
3 years ago
EFGH is a parallelogram. Find the measure of FG.
Elan Coil [88]

Answer:

FG = 47

Step-by-step explanation:

The opposite sides of a parallelogram are parallel and congruent, thus

EH = FG, that is

5z - 18 = 3z + 8 ( subtract 3z from both sides )

2z - 18 = 8 ( add 18 to both sides )

2z = 26 ( divide both sides by 2 )

z = 13

Hence

FG = 3z + 8 = (3 × 13) + 8 = 39 + 8 = 47

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3 years ago
How can I do number 4
Reika [66]
3(25x^3-16)
Hope that is what you were looking for
5 0
3 years ago
Shakila bought a purse for $120. the tax rate is 9%. what is the total amount Shakila paid?
olga nikolaevna [1]
Shakila paid $130.80 in total.
Explanation: 120*1.09=130.80
7 0
3 years ago
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