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3 years ago

Solve for x. Show your work.

Mathematics

2 answers:

creativ13 [48]3 years ago

8 0

Answer:

Step-by-step explanation:

total degrees of a line is 180

4x+20+60=180

4x=100

X=25

faust18 [17]3 years ago

3 0

Answer:

x=25

Step-by-step explanation:

4x+20+60=180

4x+80=180

4x=100

x=25

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There are 8 ducks swimming in a pond. If 6 have green wings and 2 have blue wings, what fraction of the ducks have blue wings?

harina [27]

Total ducks = 8

blue winged ducks =2

fraction of ducks having blue wings =2/8 =1/4

8 0

3 years ago

The vertex of a quadratic function is (6, 2), and the y-intercept of the function is (0, −70). The equation of the function in v

rosijanka [135]

Answer:

-6

Step-by-step explanation:

-6

5 0

2 years ago

Simplify the expressions.1 a. –2 t + 5 t – 2 – t

masha68 [24]

Answer:

1 a.) 2t – 2

1 b.) –9z + 4

2 a.) –2v + 3

2 b.) –13k – 9

3 a.) 7w − 2

3 b.) 10s

4 a.) 5

4 b.) –3p + 11

5 a.) –29x + 9

b.) 15v – 60x – 2

a.) 25n + 2

b.) –15n

a.) –71x + 4

b.) –15b

Step-by-step explanation:

<em>NOTE: I am kind of confused about the way this question is formatted, so I tried to answer everything I could decipher.</em>

1 a.) –2t + 5t – 2 – t → 2t – 2

1 b.) –5z + 4 – 4z → –9z + 4

2 a.) 8v + 3 – 10v → –2v + 3

2 b.) –6 – 6k – 3 – 7k → –13k – 9

3 a.) –6 – 3w + 4 + 10w → 7w − 2

3 b.) 9s + s → 10s

4 a.) 6 + 8b – 1 – 8b → 5

4 b.) 1p + 6 + 5 – 4p → –3p + 11

5 a.) 4x – 3x + 9 – 6x 5 → –29x + 9

b.) 9v + 6v – 2 – 10x 6 → 15v – 60x – 2

a.) n + 2 – (–4)n 6 → 25n + 2

b.) 6n – 3n 7 → –15n

a.) –4x – 4x + 4 – 9x 7 → –71x + 4

b.) –9b + (–6)b → –15b

7 0

3 years ago

THIS IS 6TH GRADE please help me! thanks

Stella [2.4K]

Answer:

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

What are the coordinates of the circumcenter of this triangle?

Oduvanchick [21]

Answer:

The coordinates of the circumcenter of this triangle are (3,2)

Step-by-step explanation:

we know that

The circumcenter is the point where the perpendicular bisectors of a triangle intersect

we have the coordinates

$A(-2,5),B(-2,-1),C(8,-1)$

step 1

Find the midpoint AB

The formula to calculate the midpoint between two points is equal to

$M=(\frac{x1+x2}{2},\frac{y1+y2}{2})$

substitute the values

$M=(\frac{-2-2}{2},\frac{5-1}{2})$

$M_A_B=(-2,2)$

step 2

Find the equation of the line perpendicular to the segment AB that passes through the point (-2,2)

Is a horizontal line (parallel to the x-axis)

$y=2$ -----> equation A

step 3

Find the midpoint BC

The formula to calculate the midpoint between two points is equal to

$M=(\frac{x1+x2}{2},\frac{y1+y2}{2})$

substitute the values

$M=(\frac{-2+8}{2},\frac{-1-1}{2})$

$M_B_C=(3,-1)$

step 4

Find the equation of the line perpendicular to the segment BC that passes through the point (3,-1)

Is a vertical line (parallel to the y-axis)

$x=3$ -----> equation B

step 5

Find the circumcenter

The circumcenter is the intersection point between the equation A and equation B

$y=2$ -----> equation A

$x=3$ -----> equation B

The intersection point is (3,2)

therefore

The coordinates of the circumcenter of this triangle are (3,2)

3 0

2 years ago