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densk [106]
3 years ago
8

Please help me with number 1, thanks

Mathematics
1 answer:
tekilochka [14]3 years ago
5 0
What don't you get about the problem ?
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A triangle has side lengths of (1.3f+2.9g)(1.3f+2.9g) centimeters, (1.1f-7.7h)(1.1f−7.7h) centimeters, and (2.3h+1.5g)(2.3h+1.5g
VikaD [51]

Answer:

Perimeter of the triangle = (2.4f+4.4g-5.4h) centimeters.

Step-by-step explanation:

It is given that, a triangle has side lengths of (1.3f+2.9g) cm, (1.1f-7.7h)cm, and (2.3h+1.5g) cm.

We have to find the expression which represents the perimeter, in centimeters, of the triangle.

Perimeter of a triangle = Sum of its all the sides.

Perimeter=(1.3f+2.9g)+(1.1f-7.7h)+(2.3h+1.5g)

On combining like terms, we get

Perimeter=(1.3f+1.1f)+(2.9g+1.5g)+(-7.7h+2.3h)

Perimeter=2.4f+4.4g+(-5.4h)

Perimeter=2.4f+4.4g-5.4h

Therefore, the perimeter of the triangle is (2.4f+4.4g-5.4h) centimeters.

8 0
3 years ago
Determine the intercepts of the line 20 POINTS<br> y-intercept(____,____)<br> x-intercept(____,____)
Ivenika [448]

Answer:

y-intercept(0,0.4)

x-intercept(0.3 ,0)

4 0
3 years ago
Read 2 more answers
Match each equation on the left to the mathematical property it uses on the right.
erma4kov [3.2K]

Answer:

The answer to your question is:

Step-by-step explanation:

(4 + 5) + 2 = 4 + (5 + 2)                     Associative property of addition

2(2x + 4) = 4x + 8                             Distributive property

( 7 x ) 3 = 7 (x 3)                                Associative property of multiplication

( 8 x 2) = (x 8 2)                                Commutative property of multiplication

( 7 + 3) + 1 = 1 + (7 + 3)                       Commutative property of addition

6 0
3 years ago
Read 2 more answers
9x^2 - 8x - 1 = 0<br> What are the x intercepts?
sasho [114]
9x^2  - 8x - 1 = 0

(9x + 1(x - 1) = 0

x = -1/9 , 1  

x intercepts are -1/9 and 1.
4 0
2 years ago
Is (x+5) a factor of f(x)=x^3 - 4x^2 + 3x + 7? use either the remainder theorem or the factor theorem to explain your reasoning.
Rufina [12.5K]

Answer:

No

Step-by-step explanation:

<u>Use synthetic division</u>

-5 | 1 -4  3   7

____<u>-5 45 -240</u>

     1 -9 48 | -233

Since the remainder is not 0, then x+5 is not a factor of the polynomial

3 0
2 years ago
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