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Sergeu [11.5K]
3 years ago
9

Two complementary angles have measures of s and t. if t is less than twice s, which system of linear equations can be used to de

termine the measure of each angle? Please explain answer. I know s+t=90. But how do you get to t=2s-90
Mathematics
1 answer:
stealth61 [152]3 years ago
3 0

The required expressions are both equations 1 and 2 as shown:

s + t = 90 ......... 1

t .... 2

Complementary angles are angles that sum up to 90 degrees. For instance, and A and B are complementary if A + B = 90.

According to the question, if two complementary angles have measures of s and t then:

s + t = 90 ......... 1

Twice of 's' is expressed as 2s

If t is less than twice s, this can be expressed as t .... 2

The required expressions are both equations 1 and 2 as shown:

s + t = 90 ......... 1

t .... 2

Learn more on word problems leading to simultaneous equations here: brainly.com/question/14294864

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please help me with my question due tomorrow morning I will like and mark as brainliest for the first correct answer please​
galina1969 [7]

Answer:

p = (2k + 1)i + j

q = 25i + (k + 4)j

p . q = 11

Find the dot product of p and q

(2k + 1)(25) + (k + 4) = 11

50k + 25 + k + 4 = 11

51k = -18

k = - 18/51 = –6/17.✅

b) p.q = |p||q|cos∅

p= (2k + 1)i + j = [2(-6/17) + 1)i + j ]= 5/17i + j

|p| = √ (5/17)² + 1²

|p| = √314/ 17 ( The square root doesn't cover the 17) = 1.0424

q = 25i + (k + 4)j = 25i + ( -6/17 + 4)j

q = 25i + 62/17 j

|q| = √ 25² + (62/17)²

= 25.2646

Now applying them to the formula above

We already have p.q = 11 from the question.

11 = (1.0424)(25.2646)Cos∅

11 = 26.3358Cos∅

Cos∅ = 11/26.3358

Cos∅ = 0.4177

∅ = 65.31°.

This should be it.

Hope it helps

6 0
3 years ago
#4 SEND HELP!!! BRAINLIEST ANSWER INCLUDED!!! 5/2x+1/4x=9/4+x solve.
hoa [83]

I did it for you in the picture!

4 0
4 years ago
Line L passes through the point (-1, 1) and is PARALLEL to the line shown here. An equation of line L is
Pachacha [2.7K]
The problem cannot be fully solved because you did provide the line on which the line is parallel/ but i can give you the steps on how to solve it. first solve the slope of the parallel line by
m = ( y2 - y1 ) / ( x2 - x1 )
then the slope of that line is equal to slope of line passing pooint ( -1 , 1)
then solve the y intercept of the line using
y = mx + b
where b is the y intercept
then you will have the equation of the line
5 0
4 years ago
Read 2 more answers
Write an equation in slope-intercept form for the line that passes through (5,1) and is parallel to the line described by y=−25x
vodka [1.7K]

Answer:

Step-by-step explanation:

y - 1 = -25(x - 5)

y - 1 = -25x + 125

y = -25x + 126

8 0
3 years ago
Which fraction is closer to 1 than to 0​
Paraphin [41]

Answer:

Maybe is 0,999999999999999....

Step-by-step explanation:

5 0
3 years ago
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