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Sav [38]
2 years ago
6

Math help here1 2 and 3​

Mathematics
1 answer:
Artyom0805 [142]2 years ago
7 0

The values of the angles are as follows:

  • x = 8.62
  • x = 8.53
  • m∠EDC =  70

<h3>How to find unknown angles?</h3>

1.

∠ABC = 108 degrees

Therefore,

3x + 2 + 10x - 6 = 108

13x - 4 = 108

13x  = 108 + 4

13x = 112

x = 112 / 13

x = 8.61538461538

x = 8.62

2.

∠ABC = 108 degrees

∠DBC = 10x - 20

Hence,

5x + 10x - 20 = 108

15x - 20 = 108

15x  = 108 + 20

15x = 128

x = 128 / 15

x = 8.53

Hence,

∠DBC = 10(8.53) - 20 = 65.33

3.

m∠EDC = m∠EDU + m∠UDC

m∠EDC = 32 + 38

m∠EDC =  70

learn more on angles here: brainly.com/question/12373280

#SPJ1

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3. At the mall, Leona bought a T-shirt and a book for a total of $23. The book cost $12. How much did the T-shirt cost?
Brut [27]
A. The unknown information is the price of the T-shirt

b. 23 = 12 + x

c. 23 = 12 + x 
    (-12) + 23 = 12 + ( -12) + x
    11 = x
(Subtract 12 from 23 and you'll get 11)

d. She bought the T- shirt at the price of $11 

I hope I helped! (Please pick me as Brainliest!)
6 0
3 years ago
I am having trouble with this problem how do i solve it.
maria [59]

Answer:

90

Step-by-step explanation:

I do not know if this is true or not but i am pretty sure this is perimeter

All triangles sides have to add up to 180

1. add up 25 and 65

2. 180-90=90

Then i think your answer is 90

<u>Please do not give me hate if i did this wrong</u>

7 0
3 years ago
What is the greatest integer value of y for whic 5y - 20 &lt; 0 ?
Kruka [31]

Answer:

3

Step-by-step explanation:

Step 1: Isolate <em>y</em>

5y < 20

y < 4

When we figure out the inequality, we see that <em>y </em>has to be less than 4. Therefore, the highest integer value will have to be 3.

4 0
3 years ago
Camille put $1,250 in a new account at her bank. - The bank pays 2.25% interest compounded annually on this account. - Camille m
Galina-37 [17]

Answer:

FV= $1,397.1

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $1,250

Interest rate (i)= 2.25% compounded annually

Number of periods (n)= 5 years

<u>To calculate the future value, we need to use the following formula:</u>

FV= PV*(1+i)^n

FV= 1,250*(1.0225^5)

FV= $1,397.1

5 0
3 years ago
Corbin made a scale model of the San Jacinto Monument. The monument has an actual height of 604 feet. Corbin's model used a scal
Mars2501 [29]

The height of Corbin's model given the actual height of the monument and the scale of the model is 6.04 inches.

<h3>What is the height of the model?</h3>

A scale model is smaller representation of a bigger object / drawing. The scale model is reduced by constant dimensions.

The height of Corbin's model = 604 / 100 = 6.04 inches

To learn more about scale models, please check: brainly.com/question/20213755

#SPJ1

5 0
2 years ago
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