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Elza [17]
3 years ago
13

Can someone pls pls help me ?

Mathematics
2 answers:
andreyandreev [35.5K]3 years ago
6 0

Answer:15

Step-by-step explanation: this is an equilateral triangle and 45-15-15=15 so no matter what it would be 15

Leno4ka [110]3 years ago
4 0

Answer:

It's 15

Step-by-step explanation:

perimeter is sum of all the sides

15+15+v = 45

30+v = 45

subtract 30 from both sides

v = 45-30

= 15mm

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Which ratio is less than 15/24
Bingel [31]

1/2 = 12/24

7/8 = 21/24

19/24 = 19/24

6/8 = 18/24

The only answer that is less than 15/24 is 12/24 which is equal to 1/2

3 0
4 years ago
Read 2 more answers
Tell whether the ratios form a proportion. 14:8 and 28:10
Dima020 [189]

Answer:

no

Step-by-step explanation:

14:8 = 14/8 = 7/4

28:10 = 28/10 = 14/5

Since the fractions are not equal, it is not a proportion.

Answer: no

5 0
2 years ago
What is the domain and range for the following function and its inverse? f(x) = -x + 5
iren2701 [21]

Answer:

Domain: \mathbb{R}

Inverse: f^{-1}(x) = -x + 5

Step-by-step explanation:

Since this is a linear function, the domain and range is simply the set of real numbers.

The inverse is obtain by switching the places of x and y, then solving for y.

Here,

y = -x + 5

So switching x and y,

x = -y + 5

Solving for y again,

y = -x + 5

Thus,

f^{-1}(x) = -x + 5


5 0
4 years ago
Read 2 more answers
How does the variable of data set A compare to the variability of data set B.
cestrela7 [59]
The measures of variability for each class are listed:

Class A:                         Class B:
Range : 30                     Range: 30
IQR: 12.5                       IQR: 20.5
MAD: 7.2                       MAD: 9.2

The interquartile range and the mean absolute deviations for class B are larger number therefore indicating that there is more variability in that data set.
4 0
3 years ago
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4 0
3 years ago
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