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2 years ago

What is the answer to the main problem

Mathematics

1 answer:

Sholpan [36]2 years ago

8 0

Answer:

x-int: (3, 0)

y-int: (0, -1.5)

Step-by-step explanation:

x-intercept is the x-value when y = 0

y-intercept is the y-value when x = 0

Step 1: Find x-intercept

0 = (x - 3)/2

0 = x - 3

x = 3

(3, 0)

Step 2: Find y-intercept

y = (0 - 3)/2

y = -3/2

(0, -1.5)

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Find: f(g(2))<br> f(x)=x^2 -3x-2<br> g(x)=5x-7

REY [17]

Answer:

-2

Step-by-step explanation:

g(2) = 5*2-7 = 3

f(g(2)) = f(3) = 3^2 - 3*3 - 2

= 9-9-2

= -2

7 0

3 years ago

Situation:

omeli [17]

The half life of the substance is 6.92 days.

Half life can be defined as the time required to reduce the concentration to half of its initial value.

Here the equation given is

$\rm N = N_o e^{-kt}$

The concentration will reduce to half therefore

$\rm N= \dfrac{N_o}{2}$

so,

$\rm 39/2 = 39 e^{- 0.1001 * t_{1/2}}$

ln 0.5 = - 0.1001 * t(1/2)

-0.693 = -.1001 * t(1/2)

t(1/2) = 6.92 days.

Therefore the half life of the substance is 6.92 days.

To know more about Half Life

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1 year ago

A local restaurant advertises that the mode cost of their most popular meals is $8. If the costs of their most popular meals are

hodyreva [135]

Answer: This kind of advertising is accurate.

Step-by-step explanation:

Since we have given that

Cost of their most popular meals are as follows:

$\$7,\$8,\$8,\$12,\$13,\$15,\$17,\$18,\ and\ \$20$

As we have given that the mode cost of their most popular meals is $8.

As we know that "Mode" refers to the most occurring number that we can found in the data.

Here, we can see that $8 occurs 2 times , which is the most occurring cost among them.

Hence, Mode = $8.

So, This kind of advertising is accurate.

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2 years ago

Read 2 more answers

Ms. Skeen bought 3 pounds of candy for the Christmas party. There was a total of 147 pieces of candy. She wants to divide it amo

ohaa [14]

The 3 lbs of candy is irrelevant, so we can discard that. All you need to do is divide 147 by 26, which is 5.65 pieces of candy. Each student will get 5 pieces, with a few left over.

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2 years ago

Holly bought a sweater on sale for 20% off the original price. If she saved $40, what was the original price?

spin [16.1K]

40 is 20% of 160, so if she saved 40$ and it was 20% off then the original price was 160$!!!

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2 years ago