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3 years ago

15

One year ago, Clare was 4 feet 6 inches tall. Now, Clare is 4 feet 10 inches tall. By what percentage did Clare's height increas

e in the last year?

1 answer:

DaniilM [7]3 years ago

6 0

7.4% increase of height

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Which graph represents a quadratic function that has no real zeros?

xxTIMURxx [149]

Answer:

2nd graph (in the attached pics)

Step-by-step explanation:

Graphically, the <em>x-intercepts of the graph of a quadratic function are its zeroes. </em>

There can be

no zeroes (where graph doesn't cut the x-axis at all),
1 zero (where graph touches the x-axis at one point only), and
2 zeros (where the graph cuts the x-axis at 2 points)

Looking at the figures, the 2nd graph has no real zeroes, <em>because the graph doesn't cut the x-axis at all!</em>

<em />

So, the answer is the second graph.

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3 years ago

Read 2 more answers

Can someone help me out on this problem and show work

DochEvi [55]

Answer: 4230.14

Step-by-step explanation:

The amount that the balance is multiplied by each month is

$\frac{2448}{2040}=1.2$ .

So, after t months, the balance is $1700(1.2)^{t-1}$ .

Substituting in t=6, we get the balance is

$1700(1.2)^{6-1}=\boxed{4230.14}$ , to the nearest hundredth.

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2 years ago

One of the roots of the equation 3x^2+7x−q=0 is −5. Find the other root and q.

statuscvo [17]

Answer: The answer is $\textup{The other root is }\dfrac{8}{3}~\textup{and}q=40.Step-by-step explanation: The given quadratic equation is[tex]3x^2+7x-q=0\\\\\Rightarrow x^2-\dfrac{7}{3}x-\dfrac{q}{3}=0.$

Also given that -5 is one of the roots, we are to find the other root and the value of 'q'.

Let the other root of the equation be 'p'. So, we have

$p-5=-\dfrac{7}{3}\\\\\\\Rightarrow p=5-\dfrac{7}{3}\\\\\\\Rightarrow p=\dfrac{8}{3},$

and

$p\times(-5)=-\dfrac{q}{3}\\\\\\\Rightarrow \dfrac{8}{3}\times 5=\dfrac{q}{3}\\\\\\\Rightarrow q=40.$

Thus, the other root is $\dfrac{8}{3}$ and the value of 'q' is 40.

3 0

3 years ago

Please show ur work

Fiesta28 [93]

B. 1/7 i just took the test and thats what i got hope it helps

3 0

4 years ago

Which expression represents the length, in inches,<br> of the framed picture?

Len [333]

Answer:

No solution is posible from the information provided

Step-by-step explanation:

6 0

3 years ago