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Eddi Din [679]
3 years ago
8

Someone help me with this??

Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0

Answer:

w = 215 degrees

Step-by-step explanation:

A  circle = 360 degrees total. So, 145 + w should equal 360.

145 + w = 360

145 + w -145 = 360 - 145

w = 215

Hope this helps :)

Maybe brainliest?

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Find the quadratic function f (x )equals ax squared plus bx plus c for which f (1 )equals negative 2​, f (negative 3 )equals 26​
BaLLatris [955]

Answer:

f(x) =4x² + x - 7

Step-by-step explanation:

f(x) = ax² + bx + c

f(1) = a + b + c

f(-3) = 9a - 3b + c

f(3) = 9a + 3b + c

a + b + c = -2 -----(1)

c = -2-a-b -----(2)

9a - 3b + c = 26 ------(3)

9a + 3b + c = 32 -------(4)

(2)->(3)

9a-3b-2-a-b = 26

8a-4b = 28

4(2a-b) = 28

2a-b = 7 ----(5)

(2)->(4)

9a+3b-2-a-b = 32

8a+2b = 34

2(4a+b) = 34

4a+b = 17 ----(6)

(5)+(6)

6a = 24

a = 4

sub a=4 into(6)

4(4)+b = 17

b = 1

sub a=4,b=1 into (2)

c = -2-4-1

c = -7

5 0
3 years ago
Please help me :((((((
dsp73

Answer:

Answer D

Step-by-step explanation:

It says to divide f(x)/g(x), which is displayed in D and if we find the domain it would be x is not equal to -1/4

7 0
2 years ago
gina has 48 stickers 3/8 of the stickers have pictures of flowers. 1/8 of the stickers have pictures with plants. the rest of th
irinina [24]

Answer:

24 stickers of people

Step-by-step explanation:

you have 48 stickers in total, therefore make the denominator equal 48 by muliplying each fraction by 6/6

3/8 x 6/6 = 18/48

1/8 x 6/6 = 6/48

add those together to get the total stickers without people

18/48 + 6/48 = 24/48

this means half don't have people

then you can subract that number from the total and you will find the stickers with pictures of people

48/48 - 24/48

24/48

8 0
4 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=3%28x%20%2B%205%29%20%5Cleqslant%203x%20%2B%2018" id="TexFormula1" title="3(x + 5) \leqslant 3
klemol [59]

3(x+5)\leq 3x+18\\\\3x+15\leq 3x+18\\\\15\leq 18\\\\x\in\mathbb{R}

8 0
3 years ago
Easy question:
ivolga24 [154]

Answer:

midpoint = (-2 , 6)

Step-by-step explanation:

The midpoint can be found with the formula {(x1 + x2 )/2, (y1 + y2.) P1( x1 , y1 ), and P2 (x2 , y2 ) are the coordinates of two points, and the midpoint is a point lying equidistant and between these two points.

6 0
3 years ago
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