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3 years ago

One bulb of elephant garlic cost $2 . How many bulbs of elephant garlic can you buy for $14

Mathematics

1 answer:

SpyIntel [72]3 years ago

6 0

Answer:

Step-by-step explanation:

Since 14 divided by 2 is 7, you can get 7 bulbs of elephant garlic.

Hope this helps.

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Use the quadratic f(x)=x²+3x-4 and use any method to solve for the Zeros. Use the same function to solve for x when y is 6. F(x)

Katyanochek1 [597]

Answer:

a) $f(x) = (x+4)\cdot (x-3)$ , b) $x = -5$ or $x = 2$ , c) $x \approx 2.531$ or $x \approx -5.531$

Step-by-step explanation:

a) The function is solved by factorization:

$f(x) = (x+4)\cdot (x-3)$

b) The function has the following form:

$x^{2} + 3\cdot x - 4 = 6$

$x^{2} + 3\cdot x - 10 = 0$

The roots of the polynomial are found by factorization:

$(x+5)\cdot (x-2) = 0$

$x = -5$ or $x = 2$

c) The function has the following form:

$x^{2} + 3\cdot x - 4 = 10$

$x^{2} + 3\cdot x - 14 = 0$

The roots of the polynomial are determined by the General Formula for the Second-Order Polynomial:

$x_{1} = \frac{-3+\sqrt{3^{2}-4\cdot (1)\cdot (-14)}}{2\cdot (1)}$

$x_{1} \approx 2.531$

$x_{2} = \frac{-3-\sqrt{3^{2}-4\cdot (1)\cdot (-14)}}{2\cdot (1)}$

$x_{2} \approx -5.531$

8 0

4 years ago

Please help!! Will mark brainliest!!

larisa [96]

1. The equations are Consistent and Independent because they intersect at only one point.

2. The equations are Consistent and dependent because there are infinite solutions.

3. The equations are Inconsistent because they never intersect.

4. The equations are Consistent and Independent because they intersect at only one point.

I hope this helps :)

5 0

3 years ago

Read 2 more answers

In math class, 4 students complete individual surveys to determine the percentage of high school teachers that have a second job

dlinn [17]

Answer:

Option D) B and C

Step-by-step explanation:

we know that

To find out the percentage of high school teachers that have a second job, divide the number of teachers that have a second job by the total number of teachers

Survey A

$\frac{28}{110}=0.2545$

Convert to percentage

$0.2545(100)=25.45\%$

Survey B

$\frac{27}{90}=0.3$

Convert to percentage

$0.3(100)=30\%$

Survey C

$\frac{21}{70}=0.3$

Convert to percentage

$0.3(100)=30\%$

Survey D

$\frac{32}{80}=0.4$

Convert to percentage

$0.4(100)=40\%$

Compare the percentages

Surveys B and C have the same percentage

therefore

Surveys B and C show proportional results, because the ratio of the number of teachers that have a second job by the total number of teachers is equal (this number is the constant of proportionality k in a proportional relationship between two variables)

8 0

3 years ago

9 × 3=(5 × 3) + ( ? × 3)

erica [24]

Answer:

Step-by-step explanation:

27-15=12

12/3=4

8 0

4 years ago

Find the value of y for which line a is parallel to line b

Vsevolod [243]

As is shown in the figure attached:

1. "A" and 76º are congruents, because they are Alternate Interior angles, so A=76º.

2. "D" and "x" are congruents, because they are Alternate Interior angles, so x=38º.

3. "A", "B" and "C" form a the triangle ABC. Then, we remember sum of the interior angles of a triangle is 180º, so we have:

76º+38º+B=180º
B=180º-76º-38º
B=66º

4. By definition, an exterior angle of a triangle is equal to the sum of the opposite interior angles to it. So, we can calculate the exterior angle "y" of the triangle ABC, as follows:

The opposite angles are: 76º and 66ª. Then, we obtain:

y=76º+66º
y=142º

Therefore, the answer is: The value of y is 142º.

3 0

4 years ago