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makkiz [27]
2 years ago
14

I need help with this one please

Mathematics
1 answer:
skelet666 [1.2K]2 years ago
3 0

Answer:

perimeter of figure = 24.28

Step-by-step explanation:

semicircle ' s perimeter = π r = 3.14 × 2 = 6.28 cm

perimeter of 3 sides of parallelogram = 7 +7+4= 18 cm.

perimeter of figure = 18 +6.28 = 24.28

approx value = 24.30 cm

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HELPPPPP !!! Plzzz <br> Unit 10: circles <br> Homework 2: central angles &amp; arc measures
Zanzabum

Answer:

JL= 127       JML= 233

Step-by-step explanation:

a circle = 360 degrees and you can tell that JML is going to be larger than JL

and because of that 127 the arc with it = the same

then you do 360-127 and you get 233 for JML

4 0
2 years ago
To pass a course with an Upper A ​grade, a student must have an average of 90 or greater. A​ student's grades on three tests are
kipiarov [429]

Answer:

The student must get at least 86 in the next text in order to get an upper A average.

Step-by-step explanation:

The scores in the three tests are: 91, 94 and 89

The average score here is \frac{91 + 94 + 89}{3} = 91 (rounded off to nearest whole number)

In order to get an Upper A average after tackling the next test, the students total score in the four tests must be 90 × 4 = 360

Let's say the student scores x in the fourth test.

Then; 91 + 94 + 89 + x ≥ 360

274 + x  ≥ 360

x ≥ 360 - 274

x ≥ 86

3 0
3 years ago
Given the equation y = (1/4)x - 5, what is the zero? Only write the number please
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Answer:

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Step-by-step explanation:

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3 years ago
Suppose for some value of x the solution to the equation 2.5(y−x)=0 is y = 6. What must be true about x?
Varvara68 [4.7K]

Step-by-step explanation:

In this case, you input the value of y (y = 6) into the equation ( 2.5(y-x)= 0)

2.5(6-x) = 0

Open the bracket,

(2.5×6)-2.5x= 0

Collect like terms.

2.5x= 2.5×6

Divide both sides by the coefficient of x (2.5)

x = 6

So,

x= 6 is true.

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Substituting 6 for x in the equation,

2.5(6-6)= 0

2.5•0 = 0

0= 0

Which is also true.

7 0
2 years ago
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