3 years ago

Solve them please, correct answers will be marked as brainliest & a follow :) thank you x

Mathematics

1 answer:

DaniilM [7]3 years ago

4 0

Answer:

this is the answer that I could do please check it if I could help you

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If the discriminant of a<br> quadratic equation is equal to -8, which statement describes the roots?

lana66690 [7]

Answer:

Since -8<0 then the roots α and β of the quadratic equation ax^2 + bx + c = 0 are unequal and imaginary: α and β are a pair of the complex conjugates.

8 0

3 years ago

Suppose students are independent from one another. 63% of students are using Mr. Martin's new social media app, Mar-tin-stagram.

vitfil [10]

Answer:

Probability that both of them use it = 0.3945

Step-by-step explanation:

Given:

Student use app = 63%

Number of chosen student = 2

Computation:

Assume total number of student = 100%

So, probability that both of them use it.

⁶³C₂ / ¹⁰⁰C₂

$\frac{\frac{63!}{2! 61!} }{\frac{100!}{2! 98! } } \\\\\frac{63\times 62}{100 \times 99} \\\\\frac{3,906}{9,900} \\\\0.3945$

Therefore, probability that both of them use it = 0.3945

4 0

3 years ago

When quincy gets back home he decides that he's still hungry and orders wings, his mom wants him to order enough wings for every

boyakko [2]

Answer:

3 Packs

Step-by-step explanation:

$\frac{6(2)}{4} = 3$

8 0

3 years ago

If you can buy 1⁄3 of a pound of salami for 5 dollars, how much can you purchase for 9 dollars?

AnnyKZ [126]

$5 → 1/3 pound
$1 → 1/3 ÷ 5 = 1/3 x 1/5 = 1/15 pound
$9 → 1/15 pound x 9 = 9/15 pound = 3/5 pound

3 0

3 years ago

Given: BE bisects AD at C, AB ⊥ BC , DE ⊥ EC, AB ≅ DE Prove: ABC ≅DEC

faltersainse [42]

Answer:

Step-by-step explanation:

6 0

3 years ago

Solve them please, correct answers will be marked as brainliest & a follow :) thank you x​

Solve them please, correct answers will be marked as brainliest & a follow :) thank you x