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3 years ago

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What's a common ratio between 7,15,23

1 answer:

Yuri [45]3 years ago

3 0

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Let f(x) = x2 +6x +8 . What is the domain of Kx)?

Vedmedyk [2.9K]

Answer:

The domain is all real numbers

Step-by-step explanation:

f(x) = x^2 +6x +8

The domain is what numbers can we put in for x

This is a parabola, we can put in any number for x and the function is defined

8 0

3 years ago

Marcos was born in 1998. His grandmother was born forty-five years earlier. What year was Marcos' grandmother born?

pishuonlain [190]

Answer:

the answer is d

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

A recipe calls for 2 teaspoons of orange juice. A can of orange juice is 22 fluid ounces. How many teaspoons of juice are in a c

Dmitrij [34]

Answer:

132 teaspoons in a 22 ounce can

Step-by-step explanation:

There are 6 teaspoons in 1 ounce

22 * 6 = 132

5 0

3 years ago

The parabola $y = ax^2 + bx + c$ is graphed below. Find $a+b+c$. (The grid lines are one unit apart.)

Ann [662]

If $x=0$ , then $y=a\cdot0^2+b\cdot0+c=5$ , so $c=5$ .

If $x=1$ , then $y=a\cdot1^2+b\cdot1+c=2$ , so $a+b+5=2$ or $a+b=-3$ .

If $x=2$ , then $y=a\cdot2^2+b\cdot2+c=1$ , so $4a+2b+5=1$ or $2a+b=-2$ .

We have

$a+b=-3\implies -a-b=3$

$(2a+b)+(-a-b)=-2+3$

$\implies a=1\implies b=-4$

So we end up with

$a+b+c=1+(-4)+5=\boxed{2}$

7 0

3 years ago

If $600 is deposited into a savings account which pays 4.8% interest, compound continuously (A = Pe^rt), how long will it take t

mariarad [96]

Answer:

$22.9\ years$

Step-by-step explanation:

we know that

The formula to calculate continuously compounded interest is equal to

$A=P(e)^{rt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

e is the mathematical constant number

we have

$t=?\ years\\ P=\$600\\ r=0.048\\ A=\$600*3=\$1,800$

substitute in the formula above and solve for t

$\$1,800=\$600(e)^{0.048t}$

Simplify

$3=(e)^{0.048t}$

apply ln both sides

Remember that

$ln(e)=1$

$ln(3)=0.048t*ln(e)$

$ln(3)=0.048t$

$t=ln(3)/0.048=22.9\ years$

8 0

3 years ago