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Ivahew [28]
3 years ago
11

Solve for x, angle A, and Angle B A x+50 B x+80 c72

Mathematics
2 answers:
jolli1 [7]3 years ago
7 0
I’m assuming you man degrees? Are these angles of a triangle?

This doesn’t really make sense because the angles in a triangle add up to 180° so your equation would be x+50+x+80+72=180

Combine like terms to get
2x+202=180

Then subtract 202 from both sides
2x=-22

So x would be -11 which doesn’t seem right lol
Artist 52 [7]3 years ago
4 0

9514 1404 393

Answer:

  ∠A = 39°

  ∠B = 69°

Step-by-step explanation:

We assume these are angles in a triangle, so their sum is 180°.

  A + B + C = 180

  (x+50) +(x +80) +72 = 180

  2x +202 = 180

  2x = -22

  x = -11

Then the angle measures are ...

  A = -11 +50 = 39

  B = -11 +80 = 69

Angles A and B are 39° and 69°, respectively.

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To print tickets, a printer charges a $30 setup fee plus $1.05 per ticket. Write an algebraic expression for the cost of t ticke
arsen [322]

Answer:

Solution given:

we have

setup price =$30

as rate for 1 print tickets =$1.05/tickets

so

for t

t=$30+$1.05*t

is a required expression.

the

cost of 300 tickets:

300 tickets =$30+$1.05*300=$345

$345is the cost of 300 tickets.

5 0
3 years ago
Use the quadratic formula to solve the equation x2+7x​
monitta

The solution of the equation x2+7x​ is 0, -7 using the quadratic formula.

Step-by-step explanation:

x2 + 7x = 0

-b  ± √ b2 - 4(ac)/ 2a

substitution,

a = 1, b = 7, c = 0

= -7  ± √(7)2 - 4(1 x 0) / 2 x 1

= - 7   ± 7 / 2

x = 0 , -7

4 0
3 years ago
Please help me I’m begging you
tatuchka [14]

Answer:

i beleive the answer would be 90

Step-by-step explanation:

im begginggggggg, begging, beg youuuuu

7 0
3 years ago
Which fraction is equivalent to 5/9?<br> A. 9/13<br> B. 20/36<br> C. 25/81<br> D. none of the above
valkas [14]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
We are continuing to study the difference in average time for completion for the two matching schemes. However, this time we had
IgorLugansk [536]

Answer:

We are 95% confident that the time to completion for the same color method is between 4.617 <u>less</u> to 9.383 <u>less</u> than the different color method.

Step-by-step explanation:

The (1 - α)% confidence interval for population parameter implies that there is a (1 - α) probability that the true value of the parameter is included in the interval.

Or, the (1 - α)% confidence interval for the parameter implies that there is (1 - α)% confidence or certainty that the true parameter value is contained in the interval.

The 95% confidence for the difference in the completion time of treatment is<em> and </em>d<em> is,</em>

<em>CI</em><em> = </em>(-4.617, -9.383)

The parameter of the study is defined as:

treatment_<em>s - </em>treatment_<em>d </em>

Consider the 95% confidence interval, (-4.617, -9.383). The confidence interval consists of all negative values.

This implies that the difference between the completion time of treatment <em>s</em> and <em>d</em> is less than 0, i.e. the completion time of treatment <em>s</em> is less than that for treatment <em>d</em>.

Thus, the complete statement is:

"We are 95% confident that the time to completion for the same color method is between 4.617 <u>less</u> to 9.383 <u>less</u> than the different color method."

7 0
3 years ago
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