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andreyandreev [35.5K]
3 years ago
7

Please help with this!!!!!

Mathematics
1 answer:
Greeley [361]3 years ago
5 0

Answer:

44.56 ft

Step-by-step explanation:

First you find the perimeter of the rectangle which is the easiest to find which is 12*2+4*2=32 ft and then you find the circumference of the circle (suppose you take the two halves and put them together) 2pi*r or 3.14*4=12.56 ft and then you add them together resulting in 44.56 ft

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there are five exams. the student earned grades 84,75,97, and 89 for the first four exams.what grade must the student earn pm th
emmasim [6.3K]

Answer:

81

Step-by-step explanation:

Given total number of tests are 5

The grades earned by the students in the tests are 84 , 75 , 97 , 89

let the grade earned by the student in the fifth test be x.

Average=\frac{84+75+97+89+x}{5}

The condition recquired is Average≥85

\frac{84+75+97+89+x}{5}≥85

\frac{344+x}{5}≥85

x+344≥425

x≥81.

The least grade the student can earn in the last test so that average is not less than 85 is 81

4 0
3 years ago
Simplify the expression.<br> 1) √65/121<br> 2) √25/36
kakasveta [241]
√65/√121=√65/11
√25/√36=5/6
I am not sure if that is your problem are the denominators square root too if so u just need to reduce and simplify. √65 is not a perfect square therefore you cannot reduce it cause it does not contain any perfect squares in its factors either. 
6 0
4 years ago
Rectangle STUV is shown on a coordinate plane. Rectangle STUV with vertices S at negative 7 comma 6, T at negative 2 comma 6, U
rusak2 [61]

The coordinate of the point T after the given transformations is; T''(-2, -4)

<h3>How to carry out Translation Transformations?</h3>

We are given the coordinates of the rectangle STUV as;

S(-7, 6)

T(-2, 6)

U(-2, 1)

V(-7, 1)

Now, we are told that all these coordinates are translated using the transformation rule;  (x, y) → (x − 2, y − 4)

Thus, the new coordinates using this transformation rule are;

S'(-9, 2)

T'(-4, 2)

U'(-4, -3)

V'(-9, -3)

Now, we are told that these new points are  rotated 90° counterclockwise and as such the new coordinates formed will follow the pattern (x, y) → (-y, x).

Thus, our final coordinates are;

S''(-2, -9)

T''(-2, -4)

U''(3, -4)

V''(3, -9)

Thus, the coordinate of the point T after the given transformations is; T''(-2, -4)

Read more about Translation Transformation at; brainly.com/question/4289712

#SPJ1

4 0
2 years ago
Read 2 more answers
I really need help here ASAP​
AlexFokin [52]

Answer:

D. x=\frac{-4-\sqrt{31}}{3} or  x=\frac{-4+\sqrt{31}}{3}

Step-by-step explanation:

The given equation is:

3x^2+8x=5

Divide through by 3;

x^2+\frac{8}{3}x=\frac{5}{3}

Add the square of half the coefficient of x to both sides.

x^2+\frac{8}{3}x+(\frac{4}{3})^2=\frac{5}{3}++(\frac{4}{3})^2

x^2+\frac{8}{3}x+\frac{16}{9}=\frac{5}{3}+\frac{16}{9}

The left hand side is now a perfect square:

(x+\frac{4}{3})^2=\frac{31}{9}

Take square root

x+\frac{4}{3}=\pm \sqrt{ \frac{31}{9}}

x=-\frac{4}{3}\pm \sqrt{ \frac{31}{9}}

x=-\frac{4}{3}\pm \frac{\sqrt{31}}{3}

D. x=\frac{-4-\sqrt{31}}{3} or  x=\frac{-4+\sqrt{31}}{3}

5 0
3 years ago
QUESTION IS ABOVE, ILL GIVE BRAINLIEST AND 15 POINTS
lakkis [162]

Answer:

2 and 5

Step-by-step explanation:

1. No solutions

2. Many solutions

3. No solutions

4. One solution

5. Many solutions

4 0
3 years ago
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