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Anna [14]
2 years ago
14

Help ASAP. need to finish this

Mathematics
2 answers:
bulgar [2K]2 years ago
7 0

Answer:

Weeks

Step-by-step explanation:

The amount of time that passes doesn't depend on anything; however, the growth of a plant depends on time. The longer you allow the plant to grow, the more growth you'll see.

Nadusha1986 [10]2 years ago
5 0

Answer:

Weeks

Step-by-step explanation:

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PLEASE HELP IM DESPERATE WILL GIVE BRAINLIEST ONLY ANSWER IF YOU ARE HELPING
VARVARA [1.3K]

Answer:

48

Step-by-step explanation:

u • w

= (i + 6j ) • (9i - 2j )

= (1 × 9 ) + (6 × - 2 )

= 9 + (- 12)

= 9 - 12

= - 3

v • w

= (5i - 3j ) • (9i - 2j )

= (5 × 9) + (- 3 × - 2)

= 45 + 6

= 51

Then

u • w + v • w

= - 3 + 51

= 48

7 0
3 years ago
What is the factor for x^2-4x-21
7nadin3 [17]
(x+7) (x-3) is the anwer

5 0
3 years ago
Read 2 more answers
Find the center and the radius of the circle with the equation:<br> x^2-4x+y^2
zysi [14]

Answer:

Step-by-step explanation:

8 0
3 years ago
Select the two values of x that are roots of this equation 3x^2 + 1 =5x
Zina [86]

Answer:

x = 1.434 and x=0.232

Step-by-step explanation:

To find the root of the equation stated above we need to:

(1) Write the polynomial equation with zero on the right hand side:

3x^{2} + 1 = 5x ⇒ 3x^{2} -5x + 1 = 0

(2) Divide the whole equation by 3

3x^{2} -5x + 1 = 0 ⇒ x^{2} -\frac{5}{3}x + \frac{1}{3}= 0

(3) Use the quadratic formula to solve the quadratic equation:

The quadratic formula states that the two solutions for a quadratic equation is given by:

\frac{-b±\sqrt{b^{2} - 4ac}}{2a} (1)

In this case, a = 1, b = -\frac{5}{3}, c= \frac{1}{3}

Substituiting a, b and c in equation (1) We get:

\frac{-\frac{5}{3}±\sqrt{(-\frac{5}{3})^{2} - 4(1)(\frac{1}{3})}}{2(1)} (1)

The two solutions are:

x = 1.434 and x=0.232

8 0
2 years ago
-2 1/3 × 2 5/8 Perform the indicated operation
Karolina [17]

Answer:

-6 1/8

Step-by-step explanation:

=-7/3 *21/8

=147/24

=-6 3/24

=-6 1/8

8 0
3 years ago
Read 2 more answers
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