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kondaur [170]
3 years ago
15

HELP PLEASE!!!! I NEED HELP WITH GEOMETRY!!!

Mathematics
1 answer:
lesya692 [45]3 years ago
8 0

Step-by-step explanation:

m < QRS = m < URS + m < QRU

30x - 4 = 60° + 15x - 4

15x = 60°

X = 4°

<u>m < QRS</u> = 30 * 4 - 4 = <u>116°</u>

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The slopes of the sides of quadrilateral ABCD are shown in the table below.
fredd [130]

Answer:

B) AB is parallel to CD, but AD is not parallel to BC.

Step-by-step explanation:

The options are:

A) AD is parallel to BC, but AB is not parallel to CD.

B) AB is parallel to CD, but AD is not parallel to BC.

C) AB is parallel to CD, and AD is parallel to BC.

D) AD is not parallel to BC, and AB is not parallel to CD.

AB and CD have the same slope, so they are parallel.

BC and AD have different slopes, so they are not parallel.

Therefore, the answer is B.

3 0
3 years ago
Find the vertex for the equation: y=-2x^2+16x-31
Nutka1998 [239]

Answer:

Vertex is (4,1)

Step-by-step explanation:

x=-b/2a so you need to first divide the b (second term) by the a (first term) so you should get 1 as your new a and -8 as your new b. Negative (-8) is just 8 then divide that by 2(1) which is just 2 which equals 4. That is your x. To find your y, you plug your x back into the original equation and then solve it. Hope this helps!

7 0
3 years ago
What is the measure of arc DGF
Margarita [4]

Answer:

DGF=226

Step-by-step explanation:

Angle 113 is a inscribed angle since two it is on the exterior of the circle. We can find the central angle by multiply 2 by 113.

113×2=226

Since the central angle measure 226, that means the arc DGF measures 226 degrees.

DGF=113

8 0
2 years ago
Help please I need the answer
Mazyrski [523]

Answer:

Albany

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find two consecutive positive integers such that the sum of their squares is 421 .
maria [59]
We assume the two numbers are x and (x+1)
so x^2+(x+1)^2=421
x^2+(x^2+2x+1)=421
2x^2+2x-420=0
According to the formula of quadratic 
x=14 or-15
cuz we know the two numbers are integers
so x=14
therefore the other number is 15
To make sure that's correct
14^2+15^2=421

Hope that helps you!!


4 0
3 years ago
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