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yaroslaw [1]
3 years ago
11

HELPPPP PLSSSSSSSSSSSSSSSSSSSS

Mathematics
1 answer:
Bess [88]3 years ago
4 0

Answer:

#1)

Angle A = 30 degrees; 180 - 150 = 30

Angle B = 120 degrees; 180 - 60 = 120

#2)

Angle A = 65 degrees; 180 - 115 = 65

Angle B = 25 degrees; 180 - 155 = 25

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Given f(x) = –5x + 1, what is f(–2)?
DiKsa [7]
F(x) = -5x + 1

f(-2) = -5(-2) + 1
f(-2) = 10 + 1
f(-2) = 11

----------------------------------------------
Answer: f(-2) = 11 (Answer C)
----------------------------------------------
3 0
3 years ago
What is the value of the discriminant for the quadratic equation zero equals 2x^2+x-3
Liono4ka [1.6K]

Discriminant for the quadratic equation  2x^2+x-3=0 is d=25

How to find the d Discriminant of the quadratic equation ?

We know that the standard quadratic equation

ax^2+bx+c=0

Discriminant of the equation is d=b^2-4ac

Equation given in the question is

2x^2+x-3=0

So we can find the values of a,b,c

a=2\\b=1\\c=-3

Substitute the values

d=1^2-4*2*(-3)\\d=1+24\\d=25

Learn more about the discriminant of the quadratic equation here:

brainly.com/question/28048709

#SPJ4

7 0
2 years ago
Tell whether each pair of angle measurements are complementary, supplementary or neither.  36°,24°  18°,72°  96°,84°
Serggg [28]

Given:

The pairs of angles are:

36°,24°

18°,72°

96°,84°

To find:

Whether each pair of angle measurements are complementary, supplementary or neither.

Solution:

Two angles are complementary if there sum is 90 degrees.

Two angles are supplementary if there sum is 180 degrees.

For 36° and 24°,

36^\circ+24^\circ =60^\circ

So, this pair is neither complementary not supplementary.

For 18° and 72°,

18^\circ+72^\circ =90^\circ

So, this pair is complementary.

For 96° and 84°,

96^\circ+84^\circ =180^\circ

So, this pair is supplementary.

4 0
2 years ago
I need help ASAP please
svetoff [14.1K]

Answer: 23

Step-by-step explanation:

6 0
2 years ago
Can u help please :)
Lyrx [107]

Answer:

z = 8

Step-by-step explanation:

All angles inside a triangle add up to 180 so:

90 + 40 + 5z + 10 = 180

5z + 140 = 180

5z = 40

z = 8

7 0
2 years ago
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