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ohaa [14]
3 years ago
7

Which of the following is not true for adding mixed numbers?

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
5 0

1.which of the following is not true for adding mixed numbers?

A.the denominators of the fractions must be the same in order to add them.

B.you can add mixed numbers by changing them into improper fractions or by using a number line.

C.the sum of the mixed numbers written as an improper fraction is in simplest form.

D.the sum of the mixed numbers must be written in simplest form


The answer is C

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A table of data is given.
julsineya [31]

The exponential equation will be y = 10 (0.1)ˣ.

<h3>What is an exponent?</h3>

The exponent denotes that the base will rise to a specific level of strength. The base is X, and the power is n.

The table of data is given.

x         f(x)

-2        128

-1          27

0          5

1            1

2         0.1

Then the equation will be

f(x) = abˣ

At x = 1, the value of f(x) is 1.

1 = ab ...1

At x = 2, the value of f(x) is 0.1.

0.1 = ab² ...2

Then from equations 1 and 2, we have

0.1 = b

Then the value of a will be

a = 1 / 0.1

a = 10

Then the exponential equation will be

y = 10 (0.1)ˣ

More about the exponent link is given below.

brainly.com/question/5497425

#SPJ1

7 0
2 years ago
Ken drew a pair of intersecting rays and marked a angle between them.
andre [41]

Answer:

Option 3 is the best option that compares the pair of intersecting rays with the angle

Step-by-step explanation:

The definition of angle says that an angle is a shape that is produced by the intersection of two rays that have a common end point.

A ray is a line segment that has only one end point and is extended infinitely in a unique direction

So Yeah. :) Hope I've helped

6 0
3 years ago
7,574 divided 5 if u get it right ur my best friend i will give v go to https://brainly.com/app/ask?entry=similar&amp;q=7%2C574+
kvv77 [185]

Answer:

1514.8

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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aleksandrvk [35]

Answer:

(x,y) = (-2,7)

Step-by-step explanation:

7x+2y=0

9x+4y=10

y = -9x/4 + 5/2

7x+2 (-9x/4 + 5/2) = 0

5x/2 = -5

5x = -10

x = -2

use x and substitute to get y

y = -(9/4) (-2) +5/2 = 7

7 0
3 years ago
6. Use a proportion to solve the problem.
Igoryamba
34% of 83
As a result, x/83=34/100; 28.22 is your final answer. Hope it help!
5 0
3 years ago
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