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Black_prince [1.1K]
3 years ago
5

Will mark brainliest if correct, just answer with 1 or 2 and A, B, or C.

Mathematics
1 answer:
snow_lady [41]3 years ago
8 0

Answer:#2

Step-by-step explanation:

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Write the quadratic equation in general form and then choose the value of "b." (2x - 1)(x + 5) = 0 9 10 11
IRINA_888 [86]
Ax^2+bx+c=0

expanded, that is the x term

in
(ax+c)(dx+e), the coefient of the b term is cd+ae
so

(2x-1)(1x+5)
the b term is (-1)(1)+(2)(5)=-1+10=9

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3 0
3 years ago
Stickers are made with the same ratio of width to length. A sticker 2 inches wide has a length of 4 inches. Complete the table.
aalyn [17]

Answer:

The explanation of this question is given below in the explanation section

Step-by-step explanation:

The data is given in form of length and width.

Then, we need to convert it into improper fraction.

As you know that, the improper fraction is a fraction where the numerator (top number) is larger than the denominator (bottom number).

So, we converted it into improper fraction i.e.

Improper fraction= lenght/width

Then we reduce the fraction into lowest form and shown in ratio as depicted in attached picture with this solution.

3 0
3 years ago
If the variance of the data values in a population is 289, what is the standard
liq [111]

Answer:

17

Step-by-step explanation:

Variance=(standard deviation)^2

√289=standard deviation

Standard deviation=17

8 0
3 years ago
A
mafiozo [28]

Answer:

58°

Step-by-step explanation:

in ΔABD

∠ADB = 32°

∠DBA = 90°

∠BAD = 180° - (32 + 90)

∠BAD = 58°

As ΔBAD ≅ ΔBCD

∠BAD = ∠BCD

So ∠BCD = 58°

3 0
3 years ago
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There are 600 people in a concert hall. 2/5 of them are teenagers. 3/8 of the teenagers are girls. How many teenage girls are th
Lemur [1.5K]
There are 90 teenage girls in the concert hall.
2/5 x 600 = 240
3/8 x 240 = 90
6 0
3 years ago
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