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anzhelika [568]
4 years ago
7

How do you do middle school geometry all of them

Mathematics
1 answer:
zhuklara [117]4 years ago
5 0
6)
3x + 11 = 125
3x = 114
x = 38

7)
a)
130°
opposite angles

b)
50°
(i don't know the name of this relationship)
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Help please?????????????????
son4ous [18]
This is Pythagorean theorem. 
We already know a and c. 
a = 4 and c = 10
4² + b² = 10² 
16 + b² = 100 
Subtact 16 from each side. 
b² = 84 
Square root of each side: 
b = ≈9.165 or √84

Hope this helps!
6 0
4 years ago
Evaluate 15 divide by k when k = 3
Galina-37 [17]
You just divide 15 by 3 and that equals 5
5 0
3 years ago
Read 2 more answers
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Dennis_Churaev [7]

Answer:

Hi

Step-by-step explanation:

Hi

4 0
2 years ago
Can someone help me please ?
denis-greek [22]
It is the one second from the top. the line is straight (y=-3) until it hits x=-1 then it starts increasing significantly
8 0
3 years ago
Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4
lora16 [44]

Answer:

option A.) y-3 = 1/16 (x-2)^2

Step-by-step explanation:

we know that

If the axis of symmetry is parallel to the y-axis, then we have a vertical parabola

The equation of a vertical parabola is equal to

4p(y-k)=(x-h)^{2}

where

(h,k) is the vertex

In this problem we have

(h,k)=(2,3)

p=4

substitute

4(4)(y-3)=4(4)(x-2)^{2}

16(y-3)=(x-2)^{2}

(y-3)=(1/16)(x-2)^{2}

8 0
3 years ago
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