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natima [27]
4 years ago
5

Wh as t is a prime numbers

Mathematics
1 answer:
Sphinxa [80]4 years ago
6 0
A prime number is a natural number wich is greater than 1 that had no positive divisors other than 1 and itself
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I needddd help it’s urgenttttt!!!!
Naily [24]
Answer:

135

Step-by-step explanation:

First find the measure of CBF

CBF is a straight line so therefore it measures 180*

BFE = 75*

CBD = 45*

75 + 45 = 120*

180 - 120 = 60

60 + 75 = 135*

Therefore DBF measures 135*
4 0
3 years ago
Find x, y, and z.<br><br> Please help :)
Ivan

Answer:

x = 55°, y = 70° and z = 125°

Step-by-step explanation:

Step 1 - Calculate ∠x:

As all angles on a line add up to 180°

125 + x = 180

x = 180 - 125

x = 55

Step 2 - Calculate ∠y:

As the triangle is an isosceles triangle, as evident by the two sides of equal length:

180 = y + 55 + 55

180 = y + 110

y = 180 - 110

y = 70

Step 3 - Calculate z:

180 - 55 = z

z = 125

Meaning that x = 55°, y = 70° and z = 125°

Hope this helps!

3 0
3 years ago
This table gives a few (x,y) pairs of a line in the coordinate plane
Troyanec [42]

Answer:

y intercept is -23

Step-by-step explanation:

Here we are given three coordinates and are asked to find y intercept of the line passing through these points.

We thus find the equation of this line by two point form

the form says

(y-y1)/(x-x1) = (y2-y1)/(x2-x1)

Here (x1,y1) = ( -36 , 1 )

and (x2,y2) = ( 13,-54)

Substituting the values we get

(y-1)(x+36)=(1-13)/(-36-(-54))

(y-1)(x+36)=(-12)/(-36+54)

(y-1)(x+36)=(-12)/(18)

y-1=-2/3 ( x+36)

In order to determine the y intercept we are required to leep x = 0  in above equation and solve for y

y-1 = -2/3 (0+36 )

y-1= (-2/3) x (36 )

y-1 = -2 x 12

y-1 = -24

adding 1 on both hand sides

y = -24 +1

y=-23

6 0
3 years ago
norma practices violin for 50 minutes every day how many minutes does norma practices violin in 7 days
scoundrel [369]
50 x 7 = 350 minutes
6 0
3 years ago
Read 2 more answers
Which equation has which equation has an oven And a value of 1 , a B value of -3 c value of -5 ?
tiny-mole [99]

Answer:

  0 = -3x -5 +x²

Step-by-step explanation:

In this context, "a" refers to the coefficient of x². Here, you're looking for the equation with a term of x², not -x² or -5x². There is only one answer choice that matches this requirement. It is shown above.

__

"b" refers to the coefficient of x, so the equation needs to have a term of -3x.

"c" refers to the constant, so the equation needs to have a constant of -5.

Taken together, you're looking for an equation equivalent to x² -3x -5 = 0.

5 0
3 years ago
Read 2 more answers
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