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poizon [28]
4 years ago
9

Which point is an x-intercept of the Quadra function f(x)=(x-8)(x+9)?

Mathematics
1 answer:
Whitepunk [10]4 years ago
7 0

Answer:

x= 8 and x=-9

Step-by-step explanation:

The x intercepts are found when we set y = 0

0 = (x-8) (x+9)

Using the zero product property

x-8 =0 and x+9=0

x= 8 and x=-9

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If y=26−(3x+2), then x = ?
Anna71 [15]

Answer:

-1/3y +8 = x

Step-by-step explanation:

y=26−(3x+2)

Distribute

y = 26 -3x-2

Combine like terms

y = 24 -3x

Subtract 24 from each side

y -24 = -3x

Divide each side by -3

y / -3 -24/-3 = -3x/-3

-1/3y +8 = x

3 0
3 years ago
The central limit theorem
goblinko [34]

Answer:

Option D (States.......distribution) is the appropriate choice.

Step-by-step explanation:

The superposition principle says that perhaps the sample distribution better reflects the regular distribution.

  • Because this sample size or group grows, all observations appear identical although irrespective of that same population demographics or distributions.
  • It shows everybody precisely how the measures are to be distributed if we take a friendly reminder from some kind of population group.

The latter choices should not affect the situation involved. The reaction, then, is the right one.

3 0
3 years ago
Work out an estimate for √4.92+3.18x7.31
madam [21]

<em>Answer:</em>

25.4639073013

Rounded is 25.4

<em>Have a beautiful day! </em>v(⌒o⌒)v♪

<em />

6 0
3 years ago
Phil is buying bags of grass seed.
Nikolay [14]

Answer:

D. Quickgrow

Step-by-step explanation:

You have to find the unit rate first. 120 acres divided by 12 cup of seeds, you get 10 acres for 1 cup of seeds. For green grass you get 7.6 acers for 1 cup of seed. Since your trying to figure out which brand of seeds can cover up more acers, 10 is greater than 7.6. Therefore Quickgrow would cover up more land.

Sorry is my explanation is confusing.

8 0
3 years ago
Read 2 more answers
Orthogonalizing vectors. Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, a
jeka57 [31]

Answer:

\\ \gamma= \frac{a\cdot b}{b\cdot b}

Step-by-step explanation:

The question to be solved is the following :

Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, and that γ is unique if b \neq 0. Recall that given two vectors a,b  a⊥ b if and only if a\cdot b =0 where \cdot is the dot product defined in \mathbb{R}^n. Suposse that b\neq 0. We want to find γ such that (a-\gamma b)\cdot b=0. Given that the dot product can be distributed and that it is linear, the following equation is obtained

(a-\gamma b)\cdot b = 0 = a\cdot b - (\gamma b)\cdot b= a\cdot b - \gamma b\cdot b

Recall that a\cdot b, b\cdot b are both real numbers, so by solving the value of γ, we get that

\gamma= \frac{a\cdot b}{b\cdot b}

By construction, this γ is unique if b\neq 0, since if there was a \gamma_2 such that (a-\gamma_2b)\cdot b = 0, then

\gamma_2 = \frac{a\cdot b}{b\cdot b}= \gamma

6 0
3 years ago
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