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denis23 [38]
2 years ago
7

What is 4.238 x 7.5.​

Mathematics
1 answer:
posledela2 years ago
8 0

Answer: 31.785

Step-by-step explanation: It’s just like a normal multiplication problem except it’s with a decimal so after you get your final answer you count how many decimal places there are and move your decimal over however many spots

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A rectangle has a length of 34 and an area of 2930, what is its width?
lara31 [8.8K]
You divide 2930 by 34 to get about 86.1765
(I think)
6 0
2 years ago
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A pair of equations is shown below:
kati45 [8]
This kinda took a lot of effort but hope it helps

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2 years ago
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$5,000 is invested at 3% interest. How much money must be invested at 5% interest so that the total interest from the two invest
Nataly [62]
3% interest on 5,000 = 150

275 (the total amount wanted) - 150 (from initial investment)= 125

x (5%) =125
x (0.05)= 125
x/0.05)= 125/0.05
x=2500

you need to invest 2500 at 5% to get the additional 125

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7 0
3 years ago
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HELPPPPPPPPP PLEASE!!! :(
erastovalidia [21]

Answer:

x = 25

Step-by-step explanation:

Given:

  • ∠A = ∠B    (Vertically opposite angles)
  • ∠A = (7x - 8)°
  • ∠B = (6x + 17)°

Since ∠A is equivalent to ∠B...

\implies (7x - 8)= (6x + 17)

Open the parenthesis:

\implies 7x - 8= 6x + 17

Add 8 both sides:

\implies 7x - 8 + 8= 6x + 17 + 8

Simplify both sides:

\implies 7x = 6x + 25

Subtract 6x both sides:

\implies 7x - 6x = 6x - 6x + 25

Simplify both sides:

\implies x = 25

7 0
2 years ago
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A survey was taken of students in math classes to find out how many hours per day students spend
Hoochie [10]

Answer:

1. Mean, because there are no outliers that affect the center

Step-by-step explanation:

Second period: 3,2,3,1,3, 4, 2, 4, 3, 1, 0, 2, 3, 1, 2

Sorted values : 0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4

The mean = ΣX / n

n = sample size, n = 15

Mean = 34 / 15 = 2.666

The median = 1/2(n+1)th term.

1/2(16)th term = 8th term.

The 8th term = 2

The best measure of centre is the mean because the values for the second period has no outliers that might have affected the centre of the distribution.

Both interquartile range and standard deviation are measures of spread and not measures of centre.

6 0
2 years ago
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