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Arada [10]
3 years ago
6

If Robert has $45 and has decided to double that amount every month, how much money will he have after 16 months? Roberts earnin

gs can be described by the function y=45 * 2 x.
Please please help quickly. I have no idea.
Mathematics
1 answer:
Inga [223]3 years ago
5 0
The answer is 45 because you have to decide the number by what you just said
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Solve for x. 4(7x−3)−6=6−4(3x−7) Enter your answer in the box.
olasank [31]

4(7x−3)−6=6−4(3x−7)

Distributive property

28x - 12 - 6 = 6 - 12x + 28

28x - 18 = -12x + 34

28x + 12x = 34 + 18

40x = 52

   x = 52/40

   x = 13/10

or

   x = 1 3/10 (mixed number:  1 and 3/10)


5 0
3 years ago
If you can do this your super smart.
Reil [10]

Answer:

its G. and J

Step-by-step explanation:

6 0
3 years ago
What is the value of k in the function ƒ(x) = 112 - kx if ƒ(-3) = 121?
DedPeter [7]
  f(x) = 112 - kx
 f(-3) = 112 - k(-3)
 f(-3) = 112 - (-3k)
 f(-3) = 112 + 3k
  121 = 112 + 3k
- 112  - 112
      9 = 3k
      3     3
      3 = k
6 0
2 years ago
BRAINLIEST AND 20 POINTS
Oksi-84 [34.3K]
<span>1. Which ratios form a proportion?
a. 4/5, 20/25   -----> 4/5, 4/5 Yes
b.8/12, 18/24  -----> 2/3, 3/4 No
c. 1/3, 7/24     ------> 8/24,7/24 No
d. 2/5, 6/16</span>     -----> 2/5, 3/8 No

<span>2.Which ratio forms a proportion with 9/15 = 3/5
a.3/6 = 2/3 No
b.2/3 No
c.12/30 = 2/5 No
d. 6/10</span> = 3/5 Yes

<span>3.Which proportion has cross products of 5 x 24 and 8x15?
a. 5/8=15/24 ----> 5 * 24 = 8 * 15   Yes
b.5/24=8/15  ----> 5 * 15 = 8 * 24   No
c.8/24=15/5  ----> 5 * 8 = 15 * 24   No
d. 15/8=5/24  </span>----> 15 * 24 = 5 * 8  No
3 0
3 years ago
Can someone explain how to do "interquartile range"
Andrews [41]

What is it?

The IQR describes the middle 50% of values when ordered from lowest to highest. To find the interquartile range (IQR), ​first find the median (middle value) of the lower and upper half of the data. These values are quartile 1 (Q1) and quartile 3 (Q3). The IQR is the difference between Q3 and Q1.

How do you find IQR?

<em>Step 1: Put the numbers in order. ...</em>

<em>Step 2: Find the median. ...</em>

<em>Step 3: Place parentheses around the numbers above and below the median. Not necessary statistically, but it makes Q1 and Q3 easier to spot. ...</em>

<em>Step 4: Find Q1 and Q3. ...</em>

<em>Step 5: Subtract Q1 from Q3 to find the interquartile range.</em>

7 0
2 years ago
Read 2 more answers
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