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slava [35]
3 years ago
13

Just help ok? Image:

Mathematics
1 answer:
nekit [7.7K]3 years ago
3 0

Answer:

x=45

Step-by-step explanation:

The angles of a triangle <em>always </em>adds up to a total of 180 degrees. Since we are given two angles, we can solve this.

75+60+x=180\\135+x=180\\x=45

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Isabelle's school has a total of 486 seventh grade students. There are 3 technology classes, each with 27 seventh grade students
monitta

Answer:

1/6

Step-by-step explanation:

27 x 3 = 81

81/486 = 1/6 (486/81 = 6)

3 0
3 years ago
How long would it take Belinda's $800 investment to double in value if she has a bond with a 8.75% interest rate?
enyata [817]

Answer:

it takes approximately 11 years and 3 months (11.4 years) for Belinda's investments to double.    

Step-by-step explanation:

To calculate the time it takes for Belinda's money to double, we will use the simple interest formula as shown below:

Simple interest = P × R × T

where:

P = principal = $800

R = Rate in decimal = 8.75% = 0.0875

T = time = ???

simple interest = $800 ( her money doubles)

∴ 800 = 800 × 0.0875 × t

800 = 70 × t

∴ t = 800 ÷ 70 = 11.4 years. (11 years and 3 months)

Therefore after approximately 11 years and 3 months, Belinda's investments doubles

4 0
3 years ago
2x-3/x devided by 7/x^2
Sergio039 [100]

Answer:

\frac{2x^2-3x}{7}

Step-by-step explanation:

\frac{2x-3}{x} ÷  \frac{7}{x^2}

=> \frac{2x-3}{x} × \frac{x^2}{7}

=> \frac{2x-3}{7} × \frac{x^2}{x}

=>\frac{x(2x-3)}{7}

=> \frac{2x^2-3x}{7}

4 0
3 years ago
How is a tangent different from a chord? Explain.
Strike441 [17]
Hello!

1. A chord is a ray joining 2 points situated on a given curve.
 
2. A tangent is a ray that passes through only one point situated on the curve.

I Hope my answer has come to your Help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead! :)

(Mark As Brainliest IF Helped!)

-TheOneAboveAll :D
5 0
4 years ago
Read 2 more answers
Growth factor for 0.008,0.8,0.8
exis [7]

https://www.tiger-algebra.com/drill/8,0.8,0.08,0.008/

3 0
2 years ago
Read 2 more answers
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