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SVETLANKA909090 [29]
4 years ago
10

What is the value of X?

Mathematics
2 answers:
olga_2 [115]4 years ago
5 0

Answer:

80 degrees

Step-by-step explanation:

The total sum of all angles is 180 in every triangle, 70 + 30 = 100, 180 - 100 = 80

Delicious77 [7]4 years ago
3 0

The Answer is 80 degrees

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Is it true that ƒ −(g − h) = (ƒ − g) − h? Explain why you believe the equation is true or provide a counterexample to show that
miss Akunina [59]

Answer:

The expression is false

Step-by-step explanation:

Given

f - (g - h) = (f - g) - h

Required

True or False

To determine if the expression is true or false, we need to simplify both sides of the equation

f - (g - h) = (f - g) - h

<em></em>

<em>Start by opening the bracket on the right hand side</em>

<em></em>f - (g - h) = f - g - h<em></em>

<em></em>

<em>Then open the bracket on the left</em>

<em></em>f - g + h = f - g - h<em></em>

<em></em>

<em>Subtract f - g from both sides</em>

<em></em>f - g - (f - g) + h = f - g - (f - g) + h<em></em>

<em></em>f - g - f + g + h = f - g - f + g - h<em></em>

<em></em>f - f - g + g + h = f - f - g + g - h<em></em>

<em></em>h \neq -h<em></em>

<em></em>

<em>Hence;</em>

<em>The statement is false</em>

<em></em>

<em>To further check;</em>

<em>Assume f = 5; g = 4 and h = 3</em>

f - (g - h) = (f - g) - h becomes

5 - (4 - 3) = (5 - 4) - 3

5 - 4 + 3 = 5 - 4 - 3

2 \neq -2

<em></em>

5 0
4 years ago
Solve.<br> X + 2 over X<br> X -1 Over 2<br> 2<br> 1,4<br> -1<br> No solution
madam [21]

Answer:

10x times 1000 y minus 4x

6 0
3 years ago
Read 2 more answers
Which statements are true about a rectangular pyramid with a height of 9 centimeters and a base with the dimensions of 4 centime
artcher [175]

<u>Answer:</u>

B.The area of the base of the pyramid is 24cm^2.

C.A rectangular prism with the dimensions of 9 cm by 4 cm by 6 cm will have 3 times volume of this pyramid.

E.The volume of this pyramid is 72cm3.

<u>Step-by-step explanation:</u>

Area of base of the pyramid = l × w = 4 × 6 = 24 cm^2

Volume of rectangular pyramid = (l × w × h)/3 = (4 × 6 × 9)/3 = 72 cm^3

Volume of rectangular prism = w × h × l = 9 × 4 × 6 = 216 cm^3

So according to these calculations, the correct answer options are:

B.The area of the base of the pyramid is 24cm^2.

C.A rectangular prism with the dimensions of 9 cm by 4 cm by 6 cm will have 3 times volume of this pyramid.

E.The volume of this pyramid is 72cm3.

4 0
4 years ago
Read 2 more answers
173700000 in scientific notation
charle [14.2K]


Step-by-step explanation:

= 1.737 × 108^8

(scientific notation)

= 173700000

(real number)


Hope this helps. (:

3 0
4 years ago
Read 2 more answers
I NEED HELP PLEASE!!!
miskamm [114]

Answer:

hardhard

Step-by-step explanation:

3 0
3 years ago
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