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asambeis [7]
3 years ago
13

PLEASE HELP!! What is the value for y? Enter your answer in the box. y =

Mathematics
2 answers:
Mamont248 [21]3 years ago
6 0

Answer:

y=28

Step-by-step explanation:

1. As ABC is an isosceles triangle, that means that angle A is congruent to angle B, which means angle B measures 34˚.

2. The sum of the angles of a triangle add up to 180˚. So, make an equation:

A+B+C=180

As we already know A and B, plug them in:

34+34+C=180

Then solve:

C=112˚

3. As we know that C=4y, we can solve for y: 112/4=28

ValentinkaMS [17]3 years ago
3 0

Answer:

39

Step-by-step explanation:

X-5=34

X=39

Because it’s isosceles has two sides congruent .

34+5=39


 

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An advertiser goes to a printer and is charged $73 for 100 copies of one flyer and $82 for 400 copies of a similar flyer. Assumi
USPshnik [31]

Answer:

y = 0.03x + 70

Slope here represents the variation in the charges with the change in the number of flyers

Positive slope means that the cost is increasing with increase in number of flyers

Step-by-step explanation:

Given:

for 100 copies advertiser is charged = $73

For 400 copies advertiser is charged = $82

Now,

here the charge is a function of number of flyers

we have the general line equation for a linear relationship as:

y  = mx + c

here m is the slope

c is the constant

for the first case we have

y = $73

x = 100

thus,

73 = 100m + c ...........(1)

for the second case, we have

y = $82

x = 400

thus,

82 = 400m + c ...........(2)

subtracting (1) from (2)

    82 = 400m + c

- ( 73 = 100m + c )

==================

    9 = 300m + 0

or

m = 0.03

substituting the value of slope in equation (1)

73 = 100 × 0.03 + c

73 = 3 + c

or

c = 70

Hence,

the equation is y = 0.03x + 70

here y is amount charged and x are the number of flyers.

Slope here represents the variation in the charges with the change in the number of flyers

Positive slope means that the cost is increasing with increase in number of flyers

3 0
3 years ago
Sams bill at a restaurant is $12, and he leaves a 20% tip. What is the total bill including the tip
Setler79 [48]
The tip is $2.40 and the bill is$14.40
4 0
3 years ago
2х - Зу = – 24<br>put it in slope form​
aliina [53]
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Help me pls its simple (hopefully)<br><br> pls dont guess
Rzqust [24]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
Given the diagram of parallelogram LMNO, solve for s.
Evgen [1.6K]
< o and < m are congruent because opposite angles are congruent
3t - 15 =  2t + 10
3t - 2t = 10 + 15
t = 25

3t - 15 = 3(25) - 15 = 75 - 15 = 60...< m = 60

< m and < o are consecutive angles and they are supplementary....so they add up to 180
< m + < o = 180
60 + < o = 180
< o = 180 - 60
< o = 120

3s = 120
s = 120/3
s = 40

6 0
3 years ago
Read 2 more answers
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