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Mila [183]
3 years ago
7

Does y=0.8(2.1)^x represent exponential growth or decay?

Mathematics
1 answer:
makkiz [27]3 years ago
5 0
The function represents exponential growth.

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disa [49]
Watch videos on YouTube, that's what I do with geometry.
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3 years ago
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A triangle has a base of 3⅖ inches and an area of 5⅒ square inches. Find the height of the triangle. Show your reasoning
N76 [4]

Answer: 3 in.

Step-by-step explanation:

Given

The base of the triangle is 3\frac{2}{5}\ inches

The area of the triangle is 5\frac{1}{10}\ inches^2

Solve mixed fraction

Base is

=3\dfrac{2}{5}\\\\=\dfrac{17}{5}\ in.

Area is

=5\dfrac{1}{10}\\\\=\dfrac{51}{10}\ in.^2

The area of the triangle is given by

\Rightarrow \text{Area A=}\dfrac{1}{2}\times \text{base}\times \text{height}

Insert the values to get the height

\Rightarrow \dfrac{51}{10}=\dfrac{1}{2}\times \dfrac{17}{5}\times \text{height}\\\\\Rightarrow \text{height}=3\ in.

8 0
3 years ago
I need help with this!!
leva [86]

Answer:

c

Step-by-step explanation:

5 0
3 years ago
What is the volume of a box that is 5 feet long, 6 feet wide and 10 feet tall
WITCHER [35]

Answer:

The volume is 300 square feet.

Step-by-step explanation:

Volume is calculated by multiplying as such:

l \times w \times h

so, to calculate this, you would insert the parameters of the equation like this:

5 \times 6 \times 10

doing it step by step, it is:

5 \times 6 = 30

30 \times 10 = 300

7 0
4 years ago
60 points for all the three questions, just please help me
choli [55]

Answer:

  • D. Neither
  • x- intercept: (-13/6, 0), y- intercept: (0, 13)
  • (-1, 3)

Step-by-step explanation:

#1

  • y = -2x - 5

<u>Substitute pairs of solutions and verify</u>

(1, 7)

  • 7 = -2*1 - 5
  • 7 = -7
  • Wrong

(2, -7)

  • -7 = -2*2 - 5
  • -7 = -11
  • Wrong

Correct choice is <u>D. Neither</u>

#2

  • y = 6x + 13

<u>x- intercept: y = 0</u>

  • 6x + 13 = 0
  • 6x = -13
  • x = -13/6
  • (-13/6, 0)

<u>y- intercept: x = 0</u>

  • y = 6*0 + 13
  • y = 13
  • (0, 13)

#3

  • y - 3 = 2(x + 1)

<u>x = -1 ⇒ find y:</u>

  • y - 3 = 2(-1 + 1)
  • y = 3
  • (-1, 3)
8 0
3 years ago
Read 2 more answers
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