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Fed [463]
3 years ago
8

What number could replace the o so that the given system of equations has one solution? Check all that apply. y = 4x-3

Mathematics
1 answer:
BabaBlast [244]3 years ago
6 0

Answer:

0; 2 ; 5

Step-by-step explanation:

4 is wrong because in this case we have the parallel lines, so the system is impossible

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Law of cosines: a2 = b2 + c2 – 2bccos(A) What is the measure of S to the nearest whole degree? 19° 26° 30° 33°
sertanlavr [38]
We know that
applying the law of cosines
a² = b²+ c²<span> – 2*b*c*cos(A)
cos (A)=[b</span>²+c²-a²]/[2*b*c]
in this problem
a=10
b=17
c=18
so
cos (A)=[17²+18²-10²]/[2*17*18]-----> cos (A)=0.8382
A=arc cos (0.8382)-----> A=33.05°-----> A=33°

the answer is
33 degrees
7 0
3 years ago
Read 2 more answers
The longer diagonal of a right trapezoid is 13cm. The longer base is 12 cm. Find the area of the trapezoid if the shorter base i
ale4655 [162]
A=1/2(b1+b2)h - area of trapezoid
to find the height we need to look at the right triangle inside the trapezoid
in the right triangle longest diagonal is a hypotenuse, so we need to us Pythagorean theorem 

6 0
3 years ago
Please answer i will give brainliest
Lerok [7]
It’s 40pi = about 126
6 0
3 years ago
Help pls need it fast.thanks!!
Nastasia [14]

Answer:

Step-by-step explanation:

Vertical Angles are the angles opposite each other when two lines cross. "Vertical" in this case means they share the same Vertex (corner point), not the usual meaning of up-down

So we can see that we have 4 pairs of vertical angles in this figure

the pairs of vertical angles are:

(1 , 4) , (2 , 3) , (5 , 8) , (6 , 7)

use any one in your answer, they are all correct

A linear pair is a pair of angles on the same straight line and hence add up to 180 degrees

here, we have several pairs of linear pairs

(1, 2) , (3,4) , (5,6) , (7,8) , (1,3) , (2,4) , (5,7) , (6,8)

use any one of the above pairs, all these are correct answers

When two lines are crossed by another line (which is called the Transversal), the angles in matching corners are called corresponding angles

here, we have 2 transversals, 'l and m'

Hence we have 4 pairs of corresponding angles

Since congruent angles are just angles with the same magnitude, the corresponding angles are also congruent angles

(1,5) , (2,6) , (3, 7) , (4,8)

All the above are correct answers, you can use either one of them

3 0
3 years ago
Read 2 more answers
Help? I need answers soon!
trasher [3.6K]

Answer:

A and B

Step-by-step explanation:

(x+p)(x+q)

x²+xq+px+pq

x²+(xq+px)+pq

where ( xq+px) =b

and p.q =c

6 0
3 years ago
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