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alina1380 [7]
3 years ago
9

HELP ASAP PLZ IM TIMED

Mathematics
1 answer:
suter [353]3 years ago
8 0

Answer:

165cm

Step-by-step explanation:

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Factor: 9x^2 + 15x.
slega [8]

Answer:

3(3x^2 + 5)

Step-by-step explanation:

step 1: find out the greatest common factor (GCF) of the number 9 and 15

ex: 9x^2 + 15x   (3 * 3x^2 + 3 * 5)

step 2: factor out the common term 3

ex: 3 * 3x^2 + 3 * 5   (3 * 3x^2 + 5)

step 3: simplify the equation

3 * 3x^2 + 5   [3(3x^2 + 5)]

6 0
3 years ago
At a​ little-known vacation​ spot, taxi fares are a bargain. A ​63-mile taxi ride takes 72 minutes and costs ​$50.40. You want t
Mademuasel [1]
$26.60, take 72/50.40 to find how much money it is per minute. Set that equal to 38/x- x being the unit price you’re trying to find. Then cross multiply to get $26.60
5 0
3 years ago
Write seven hundred eighty-six thousandths as a decimal number.
vekshin1

Answer:

0.786

Step-by-step explanation:

786/1000

0.786

3 0
3 years ago
Read 2 more answers
What would the constant rate of change be?
deff fn [24]

Answer:

- 8

Step-by-step explanation:

An equation in the form y = mx + c ( m is the slope and c is the y- intercept )

Has a constant rate of change = m

given

a_{n} = 12 + (n - 1)(- 8) ← distribute and simplify

y = 12 - 8n + 8

y = - 8n + 20 ← in the form y = mx + c

with constant rate of change = - 8

4 0
4 years ago
A mammoth bone is found to contain roughly 5% of the isotope C-14. Living elephant bones commonly contain about 40% C-14. Given
Elina [12.6K]

Answer:

The mammoth died 17.190 years ago.

Step-by-step explanation:

Given information:

  • Half-life of C-14 is 5.700 years.
  • Living elephant bones commonly contain about 40% C-14.

For every 5700 years, the elephant's bones losses a half-life of C-14. And supposing that the living mammoth bones had the same percentage of C-14.

If the mammoth when living has 40%, then:

  • After 5.730 years, the mammoth bones will contain 20%.  
  • After 11.460 years(2 half-lives), the mammoth bones will contain 10%.
  • After 17.190  years(3 half-lives), the mammoth bones will contain 5%.

6 0
3 years ago
Read 2 more answers
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