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Andrews [41]
3 years ago
7

FIND THE THE MISSING ANGLE: 70

Mathematics
2 answers:
natka813 [3]3 years ago
5 0

Answer:

20 degrees

Step-by-step explanation:

A triangle measure is always equal to 180 degrees. Subtract the given angle measure, 70, and the right angle, which is always 90 degrees, from the total degrees, 180. The result is 20.

olya-2409 [2.1K]3 years ago
4 0

Answer:

80%

Step-by-step explanation:

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Can someone please please help me :(
Readme [11.4K]

Answer:i think its 15 because if you take the km numbers and subtract them

Step-by-step explanation:

7 0
3 years ago
In the PQRS triangle PQ=QR, QR side extended to S Show that PQ+RS=QS. -S Q R
Vitek1552 [10]

Answer:

Step-by-step explanation:

from the picture:

QP = QR

and

QR = RS

so

PQ + RS = QS

6 0
3 years ago
Find all exact solutions on the interval 0 ≤ x < 2π.
masya89 [10]

Answer:

View Image

x = π/6, 5π/6, 7π/6, 11π/6

Step-by-step explanation:

The only things you need to know are 2 things:

1.) csc^2(x)=(csc(x))^2   , the exponent of trig functions are written in the middle

2.) csc(x)=\frac{1}{sin(x)}   , csc() is just the inverse of sin()

3 0
3 years ago
Solve the inequalities <br> x2 &lt; 3 - 2x
ddd [48]

Inequality Form:

−3 < x < 1

3 0
2 years ago
What are the solutions to the equation (x + 2)^2 = 49?
Mekhanik [1.2K]

Answer:

X= 5, -9

Step-by-step explanation:

(X+2)² =49

Expand the bracket,


(X+2) (X+2)= 49

Apply the distributive property;

X(X+2) +2 (X+2) =49

X²+2X+2X+4=49

X²+4X+4=49

Move 49 to the left side of the equation;

X²+4X+4-49=0

X²+4X-45=0

Apply Factorisation method;

Consider the form

a²+bx+c=0  

Find two numbers whose sum is equal to b and whose product is equal to c.
Comparing with our equation;

B =4 and C =45

We can use 9 and -5, this is because ;

9+(-5)=4 and 9*(-5)= 45.

Replace X +4X-45=0 with (X-5) (X+9)=0

Therefore;

X-5=0

X+9=0

Moving to the left side of the equation;

Therefore X= 5 and -9

8 0
3 years ago
Read 2 more answers
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