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2 years ago

7

1 pts Javad had a mix of yellow and red jellybeans as shown on the graph. If there are 40 total jellybeans in his bag, how many

are red? Red Jellybeans, 05 2 Yellow Jellybeans,

1 answer:

sergiy2304 [10]2 years ago

3 0

Answer:

12

Step-by-step explanation:

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Which equation is the inverse of y = 9x2 – 4? y = StartFraction plus-or-minus StartRoot x + 4 EndRoot Over 9 EndFraction y = plu

andre [41]

Option C: $y=\pm\frac{\sqrt{x+4}}{3}$ is the inverse of the function

Explanation:

The given function is $y=9 x^{2}-4$

We need to determine the inverse of the function.

To determine the inverse of the function, we need to interchange the values of x and y and solve for y.

Let us interchange the variables x and y in the function $y=9 x^{2}-4$ , we have,

$x=9 y^{2}-4$

Adding both sides of the equation by 4, we have,

$x+4=9 y^{2}$

Dividing both sides of the equation by 9, we have,

$\frac{x+4}{9} =y^2$

Switch sides, we have,

$y^2=\frac{x+4}{9}$

Taking square root on both sides of the equation, we have,

$y=\pm\frac{\sqrt{x+4}}{3}$

Thus, the inverse of the function is $y=\pm\frac{\sqrt{x+4}}{3}$

Therefore, Option C is the correct answer.

8 0

2 years ago

Read 2 more answers

James has established the following monthly budget for himself: Rent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8090 [49]

Answer:

James's monthly income is $1250.

Step-by-step explanation:

If the budget accounts for James's entire monthly income, the sum of the cost of all the items on the budget is his total monthly income.

Income = 300 + 175 + 125 + 200 + 250 + 50 + 25 + 125 = $1250

6 0

2 years ago

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an employer will do a 50% match on your investment to a 401k retirement plan. If you decide to contribute a monthly amount of $2

faltersainse [42]

Answer:

The amount that should be in the account after 15 years is $95,321.85

Step-by-step explanation:

According to the given data, we have the following:

monthly amount of $220=R

interest rate is fixed at 2.05%. We require the monthly ineterest rate, hence monthly interest rate= 2.05%/12=0.1708%=0.0017

t=15years×12=180 months

In order to calculate how much should be in the account after 15 years, we would have to use the following formula:

Ap=<u>R(1-(1+i)∧-t)</u>

i

Ap=<u>220(1-(1+0.0017)∧-180)</u>

0.0017

Ap=<u>162,04</u>

0.0017

Ap=$95,321.85

The amount that should be in the account after 15 years is $95,321.85

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6 0

2 years ago

Malik collects rare stamps and has a total of 212 stamps. He has 34 more domestic stamps than foreign stamps. Let x represent th

oksian1 [2.3K]

Equation represents the difference in the number of foreign and domestic stamps Malik collected: X-34=y

equation represents the total number of stamps Malik collected:
212 = X-34-y
so,
245= X-Y

Situation :
Y= X-34
X-Y= 245

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2 years ago

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Quadrilateral QRST is similar to quadrilateral EDGF. What's the scale factor from EDGF to QRST

mart [117]

Answer:

C. $\frac{6}{5}$

Step-by-step explanation:

The ratio of the corresponding sides of a polygon is said to be equal. The ratio gives us the scale factor.

Therefore, assuming that quadrilateral QRST was the original polygon that was scaled up to give a similar polygon, EDGF, the scale factor would be expressed as $\frac{42}{35}$

The scale factor = $\frac{42}{35} = \frac{6*7}{5*7} = \frac{6}{5}$

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2 years ago