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True [87]
2 years ago
7

What is the product of (x2 + 3x + 9) and ( 2x + 7)?

Mathematics
1 answer:
Afina-wow [57]2 years ago
3 0

Answer:

Ez 1+1=3 Duh

Step-by-step explanation:

<h2>You add 1 to 1 it will become 3</h2>

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Suppose that a random sample of ​twenty-year-old men is selected from a population and that these​ men's height and weight are r
andreyandreev [35.5K]

Answer:

Hello your question is incomplete attached below is the complete question

answer : 192.15 pounds

Step-by-step explanation:

Given :

weight =  - 99.41 + 3.94*Height

R^2 = 0.81

SER = 10.2

<em><u>Determine the regression weight prediction</u></em>

Height of man = 74 inches

Hence : weight = - 99.41 + 3.94 * 74 = 192.15

therefore the regression weight prediction = 192.15 pounds

4 0
3 years ago
Tôi cần mọi người giúp :tìm m để delta &gt; 00
Papessa [141]

Answer:

Salamat po thank you for your success as a result

5 0
3 years ago
Translate the following phrase to a mathematical expression, and then evaluate the expression for n = 24.
aleksley [76]

Answer:

B. n / 4; 6

Step-by-step explanation:

Let

n = the unknown number

the quotient of a number and four

= n/4

When n = 24

The expression becomes

= n/4

= 24/4

= 6

B. n / 4; 6

8 0
3 years ago
How do you do this because this is due today
irinina [24]

Answer:

N/A

Step-by-step explanation:

Well find all of your important numbers or info and box them then take that info and use what your teacher has taught you

6 0
4 years ago
Read 2 more answers
3. Solve the equation using square roots. If the equation has no real solution, write
noname [10]
3) x² - 121 = 0

x² = 121

x' = +√121

x' = 11

_______________

x'' = - √121

x'' = -11

Solution ⇒ S{-11 ; 11 } or (x-11)(x+11)

4) 4x² + 144 = 0

4x² = -144

x² = -144 / 4

x² = -36

x = √-36

No solution ⇒ S = ∅

5) z²+10z+21 = 0

Δ = 10² - 4(1)(21)

Δ = 100 - 84

Δ = 16

x' = (-10+4) / 2 = -6/2 = -3

x'' = (-10-4) / 2 = -14/2 = -7

Solution ⇒ S{ -7 ; -3} or (x+3)(x+7)
4 0
3 years ago
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