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never [62]
3 years ago
14

Evaluate the expression

Mathematics
1 answer:
Yakvenalex [24]3 years ago
6 0

Answer:

72

Step-by-step explanation:

9²-9.

81-9

72............

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I need help on how to solve the problem and the correct answer :)
lakkis [162]

This is a system of linear equations. First, you can add the two equations together to eliminate the y so that you can solve for x:

-5x + -7x = 0 + -96

-12x = -96

x = 8

Use x to solve for y:

-5 * 8 + 8y = 0

Add 40 to both sides and divide by 8:

y = 5

So, x = 8 and y = 5.

3 0
3 years ago
What are the like terms in the expression?
Anarel [89]
Since none of the terms have the same variables the like terms would be (A) because they are both constants
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Find the next three terms in the geometric sequence 2, -4, 8, -16,...
blagie [28]
Answer: 32, -64, 128, -256
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What is the ratio of red to blue squares in its simplest form?<br> 14 red 4 blue
zlopas [31]

Simplest Form: 7 : 2

How to Simplify a Ratio A : B when A and B are both whole numbers:

  1. List the factors of A
  2. List the factors of B
  3. Find the greatest common factor of A and B, GCF(A, B)
  4. Divide A and B each by the GCF
  5. Use the whole number results to rewrite the ratio in simplest form

Try to reduce the ratio further with the greatest common factor (GCF).

<em>The GCF of 14 and 4 is 2</em>

Divide both terms by the GCF, 2:

14 ÷ 2 = 7

4 ÷ 2 = 2

The ratio 14 : 4 can be reduced to lowest terms by dividing both terms by the GCF = 2 :

14 : 4 = 7 : 2

Therefore:

14 : 4 = 7 : 2

5 0
3 years ago
What is the volume of a sphere with a diameter of 9.1 m, rounded to the nearest tenth of a cubic meter?
muminat
Hello the answer would be approximately 394.57 good luck with the test
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2 years ago
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