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Eddi Din [679]
3 years ago
7

I need help with geometry

Mathematics
1 answer:
VLD [36.1K]3 years ago
5 0

Answer:

180-71

=109

the last one

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What elements in domain has the image 5 under function f(x)= 3x+ 2?
bekas [8.4K]

Answer:

Step-by-step explanation:

hello

calculate x : 3x+2 =5

means : 3x+2-2 =5-2

3x = 3

so : x = 3/3 =1

1 is the  element in domain has the image 5 under function f(x)= 3x+ 2

7 0
1 year ago
Find the value of y for the following system of equations 5x + 3y = 10 x = y - 6
viktelen [127]

Answer:

x = -1 , y = 5

Step-by-step explanation:

Solve the following system:

{5 x + 3 y = 10 | (equation 1)

x = y - 6 | (equation 2)

Express the system in standard form:

{5 x + 3 y = 10 | (equation 1)

x - y = -6 | (equation 2)

Subtract 1/5 × (equation 1) from equation 2:

{5 x + 3 y = 10 | (equation 1)

0 x - (8 y)/5 = -8 | (equation 2)

Multiply equation 2 by -5/8:

{5 x + 3 y = 10 | (equation 1)

0 x+y = 5 | (equation 2)

Subtract 3 × (equation 2) from equation 1:

{5 x+0 y = -5 | (equation 1)

0 x+y = 5 | (equation 2)

Divide equation 1 by 5:

{x+0 y = -1 | (equation 1)

0 x+y = 5 | (equation 2)

Collect results:

Answer: {x = -1 , y = 5

5 0
3 years ago
Find the binomial factors for x^3-x^2-x+1
victus00 [196]
x^3-x^2-x+1=x^2(x-1)-1(x-1)=(x^2-1)(x-1)=(x+1)(x-1)(x-1)=(x+1)(x-1)^2
6 0
3 years ago
4 /5 + 3 /15 - 2 /3 =???????
sergey [27]

Answer:

the answer is 1/3

Step-by-step explanation:

3/15 equals 1/5 so 1/5+4/5=1 so 1-2/3=1/3

5 0
2 years ago
Read 2 more answers
On a sunny day, Bill wants to find the height of a tree. He walks 25 feet along the shadow that the tree casts until his shadow
statuscvo [17]
1) The length of the shadow the tree cast and the shadow Bill cast needs to be added together which makes 34 ft
2) After setting up Bill's Height and Shadow over each other 6ft/9ft.. Set that equal to another proportion...
3) The next proportion is x (the height of the tree) and the length (along the bottom) X/34
4 Solveeee :) 6/9 multiplied by 34 is 22.6- 22 ⅔ft as a fraction
andddd you're done that's the answer
Hope this helpppsss :)

4 0
3 years ago
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