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galben [10]
3 years ago
6

Li Na is going to plant 63 tomato plants and 81 rhubarb plants.

Mathematics
1 answer:
My name is Ann [436]3 years ago
8 0

Given:

63 tomato plants

81 rhubarb plants

63 / 9 = 7

81 / 9 = 9

ANSWER: The greatest number of rows Li Na can plant is 9 rows with 7 tomato plants and 9 rhubarb plants per row.

I hope this helps!

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It is know that BD is an angle bisector with...
Georgia [21]

Answer: x = 10 or x = -6

Step-by-step explanation: If ray BD bisects <ABC, then <ABD ≅ <DBC.

So we can setup the equation x² - 4x = 60.

To solve this polynomial equation, we need to set it equal to 0.

So we subtract 60 from both sides to get x² - 4x - 60 = 0.

On the left, we have a trinomial in a special form that can

be factored as the product of two binomials.

In the first position of each binomial,

we have the factors of the x squared term, x and x.

In the second position, we're looking for the factors

of -60  that add to -4 which are -10 and +6.

So we have (x - 10)(x + 6) = 0.

Whenever two terms are multiplied together to equal 0,

this means that either one or the other must equal 0.

So if (x - 10)(x + 6) = 0, then either x - 10 = 0 or x + 6 = 0.

Solving each equation from here, we find that x = 10 or x = -6.

If you plug both values of x in for the measures of the angles,

you will find out that both of these give us true statements.

3 0
3 years ago
Caleb practices piano 20 minutes per day, and he practices guitar 30 minutes per day. Which expression represents the number of
pav-90 [236]

20d + 30d = 50d

Hope this helps. - M
5 0
4 years ago
Read 2 more answers
What is the equation of a line that is parallel to x−2y=−4 and passes through the point (0, 0)?
galina1969 [7]

Answer:

The equation of a line that is parallel to x−2y=−4 and passes through the point (0, 0) will be:  x-2y=0

Step-by-step explanation:

Given the line

x-2y=-4

x+4 = 2y

y=\left(\frac{1}{2}\right)x+2

m_1=\frac{1}{2}

so, the slope of the line parallel to the given line would have

the same slope as  \frac{1}{2}=m, and passed through the point (0, 0).

Therefore, the equation of the required line is given by

y = mx+b

y=\left(\frac{1}{2}\right)x+0

y=\left(\frac{1}{2}\right)x

2y=x

x-2y=0

Therefore,  the equation of a line that is parallel to x−2y=−4 and passes through the point (0, 0) will be:  x-2y=0

5 0
3 years ago
2+d=2-3(d-5)-2 Pls show work
defon
2 + d = 2 - 3(d- 5) - 2

First, cancel 2 on both sides. / Your problem should look like: d = -3(d - 5) - 2
Second, expand. / Your problem should look like: d = -3d + 15 - 2
Third, simplify -3d + 15 - 2 to get -3d + 13. / Your problem should look like: d = -3d + 13
Fourth, add 3d to both sides. / Your problem should look like: d + 3d = 13
Fifth, add d + 3d to get 4d. / Your problem should look like: 4d = 13
Sixth, divide both sides by 4. / Your problem should look like: d =  \frac{13}{4}

Answer as fraction: d =  \frac{13}{4}
Answer as decimal: d = 3.25

3 0
4 years ago
Read 2 more answers
Find the domain of the function shown. Write the answer in interval notation.
lara31 [8.8K]

( - ∞, 3) ∪ (3, ∞ )

The domain is the set of values of x which make f(x) defined

The denominator of f(x) cannot be zero as this would make f(x) undefined. Equating the denominator to zero and solving gives the value that x cannot be.

solve x - 3 = 0 ⇒ x = 3

domain : (- ∞, 3) ∪ (3, ∞ )


7 0
4 years ago
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