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slega [8]
2 years ago
8

HELP I NEED HELP WITH EXPLANATION PLS??‼️‼️‼️

Mathematics
2 answers:
Fofino [41]2 years ago
5 0

Answer:

3)76°

Step-by-step explanation:

  • y=76°{vertically opposite angle r equal}

hope it helps.

Fantom [35]2 years ago
3 0

Answer:

Hello! answer: 76 degrees

Step-by-step explanation:

y = 76 degrees because they are vertical and vertical angles always have the same measure hope that helps!

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Tracy has a cell phone plan that provides 250 free minutes each month for a flat rate of $29.
natali 33 [55]

Answer:

250 minutes with the flat rate of $29.

x\leq 250

x would be the number of minutes called.

x-250

Tracy would be charged by $0.35 per minute.

f(x)=29\\ 0\leq x\leq 250

f(x)=0.35(x-250)+29,\\250\leq x\leq ∞

6 0
3 years ago
HELP ASAP FOR BRAINLIEST:
goldenfox [79]

Answer: y = -14/9(x + 4)^2 + 7

Step-by-step explanation:

The given roots of the quadratic function is (-1, -7)

The vertex is at (-4, 7)

The formula is

y = a(x - h)^2 + k

The vertex is (h, k)

Comparing with the given vertex, (-4, 7), h = -4 and k = 7

Substituting into the formula

y = a(x - h)^2 + k, it becomes

y = a(x - - 4)^2 + 7

y = a(x + 4)^2 + 7

From the roots given (-1, -7)

x = -1 and y = -7

Substituting x = -1 and y = -7 into the equation,

y = a(x + 4)^2 + 7, it becomes

-7 = a(-1+4)^2 + 7

-7 = a(3^2 ) + 7

- 7 = 9a + 7

-7-7 = 9a

9a = -14

a = -14/9

Substituting a = - 14/9 into the equation, it becomes

y = -14/9(x + 4)^2 + 7

8 0
3 years ago
Find the Slope using the Slope Formula ​
ExtremeBDS [4]
Answer: -1

2-1=1
1/-3+2
1/-1
=-1
7 0
3 years ago
Please help me with this question<br><br> i’ve tried 2, 4, 8, -8, 0 and none of those answers worked
Airida [17]

Answer:

1

Step-by-step explanation:

If the x-value is -4, go to -4 and go up to the line.

1

3 0
3 years ago
Plzz HELPP I'll give brainlist
Aliun [14]

Answer:

Second one. Trust me. I did it with calculator

7 0
2 years ago
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