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Alexandra [31]
2 years ago
12

Negative two point five times twenty

Mathematics
2 answers:
love history [14]2 years ago
8 0
Hello the answer is -50
Tresset [83]2 years ago
4 0

Answer:

-50

Step-by-step explanation:

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Select the quadratic that has roots x=8 and x=-5 a x^2 + 3x -40
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If x = 8, then the factor is (x - 8); likewise, if x = -5, then the factor is (x + 5).  FOIL those together and get B
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You just bought a dog and need to put a fence around your yard. If your yard is 22.5 ft by 28.5 how many feet of fencing will yo
Diano4ka-milaya [45]

Answer:

102 feet of fencing.

Step-by-step explanation:

Since this is asking to <u> enclose </u> the yard, it is a perimeter question.

22.5 x 2 = 45

28.5 x 2 = 57

45 + 57 = 102

102 is your answer.

Hope this helps.

4 0
2 years ago
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Which line contains the point (3,6)
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Many lines do. One of them would be y = 2x
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2 years ago
1.1 solve for x, where 0°&lt; x 90°. write your answer to one decimal place. 1.1.1 tanx=sin38° 1.1.2cosec( x+10°)=1.345​
snow_lady [41]

The value of x in tan(x)=sin38° is 31.6 and the value of x in cosec(x+10°)=1.345​ is 38.0

<h3>How to solve the trigonometry ratios?</h3>

The equations are given as:

tan(x)=sin38°

cosec( x+10°)=1.345​

In tan(x)=sin38°, we have:

tan(x)=0.6157

Take the arc tan of both sides

x = 31.6

Also, we have:

cosec(x+10°)=1.345​

Take the inverse of both sides

sin(x+10°) = 0.7434

Take the arc sin of both sides

x+10 = 48.0

Subtract 10 from both sides

x = 38.0

Hence, the value of x in tan(x)=sin38° is 31.6 and the value of x in cosec(x+10°)=1.345​ is 38.0

Read more about trigonometry ratios at:

brainly.com/question/11967894

#SPJ1

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2 years ago
Which of the following is an example of a quadratic equation?
lyudmila [28]

its b

Step-by-step explanation:

6 0
3 years ago
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