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gizmo_the_mogwai [7]
2 years ago
10

Determine the value of x in the diagram

Mathematics
2 answers:
Alex787 [66]2 years ago
7 0

Answer:

It's 84 degree=x, There is a law about this angles that I studied in Engineering Mechanics.

julsineya [31]2 years ago
5 0

Answer:

84 degrees because both angles are equal.

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What is the surface area to volume ratio of a rectangular prism measuring 4 cm x 7 cm x 12 cm?
tatuchka [14]
Area of the base and the top :(4x7) + (4x7) = 56
Lateral area of the front & the back = (4x12) + (4x12) = 96
Lateral area of the right & left = (7x12) + (7x12) = 168

TOTAL AREA = 56+96+168 = 320

Volume = 4x7x12 = 336 

RATIO AREA/VOLUME = 320/336 . Simplify by dividing numerator and denominator by 16. Final result: AREA/VOLUME = 20/21


7 0
4 years ago
What is the sum of (–2. 1x 3. 7) and (5 4. 9x)? Negative 7. 0 x 8. 7 Negative 2. 8 x 8. 7 2. 8 x 8. 7 7. 0 x 8. 7.
sashaice [31]

Sum of two algebraic expressions is addition of two expressions. The sum of the given expressions is given as: Option B: 2.8x + 8.7

<h3>What are like terms?</h3>

Those terms which have same variables raised with same powers.

For example, 5x^3 and 3x^3 are like terms since variable is same, and it is raised to same power 3.

For example 5x^2 and x^3 are not like terms as the variables are same but powers aren't same.

<h3>What are coefficients?</h3>

Constants who are in multiplication with variables are called coefficients of those variables.

For example, in 10x^2 we have 10 as coefficient of x^2

<h3>When can we add or subtract terms of polynomial by their coefficient's addition or subtraction?</h3>

Suppose we have 5x^2 + 6y

Since those terms are not like terms, their coefficient won't be add and the expression we've got right now, is its simplest form and cannot be reduced more.

If we have, suppose,

4x + 5x^2 + 2x , then we see that 4x and 2x are like terms, their coefficient can be added and thus, the simplified form would be

(4+2)x + 5x^2 = 6x + 5x^2

For the given condition, the needed sum is evaluated as:

(-2.1x + 3.7) + (5 + 4.9x) = (-2.1  + 4.9)x + 5 + 3.7 = 2.8x + 8.7

Thus,

The sum of the given expressions is given as: Option B: 2.8x + 8.7

Learn more about addition of polynomials:

brainly.com/question/4420925

5 0
2 years ago
PLS HELP!! Jason bought glass vases for his booth at the fair. If he bought 13 vases and the total weight was 34.97 lb, how much
Stels [109]

Answer:

D. 2.69 lb is your answer

13vases=34.97lb

1 vase=34.97/13=2.69lb

6 0
3 years ago
-9x-5=-95<br> Please help!
lesantik [10]

-9x - 5 = -95

-9x = -95 + 5

-9x = -90

x = -90/-9

x = 10

Please mark as the Brainliest!

7 0
3 years ago
A circle representing a pool is graphed with a center at the origin. Grant enters the pool at point A and swims over to a friend
Aleksandr-060686 [28]

Answer:

Is there a picture to the question?

Step-by-step explanation:

3 0
3 years ago
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