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NeX [460]
2 years ago
12

Convert the following fraction to a percentage (round to the nearest tenth if needed). 3/7

Mathematics
1 answer:
lesantik [10]2 years ago
8 0

Answer:

\huge\boxed{42.9 \%}

Step-by-step explanation:

=> \frac{3}{7}

To make it a percentage, we need to multiply and divide it by 100

=> \frac{3}{7} * \frac{100}{100}

=> \frac{300}{700}

To make the denominator 100, we'll divide the numerator and denominator by 7

=> \frac{300/7}{700/7}

=> \frac{42.9}{100}

Percentage means out of hundred, so it becomes

=> 42.9 %

You might be interested in
The diagram shows a regular octagon joined to an equilateral triangle work out the value of X
fgiga [73]

Answer:

x=165^o

Step-by-step explanation:

we know that

The measure of the interior angle in an equilateral triangle is equal to 60 degrees

The measure of the interior angle in a regular octagon is equal to

\frac{(n-2)180}{n}

where

n is the number of sides

In this problem we have

n=8\ sides

substitute

\frac{(8-2)180}{8}

\frac{(6)180}{8}=135^o

we have that, based in the diagram

The sum of the interior angle of the equilateral triangle plus the interior angle of a regular octagon plus the value of x must be equal to 360 degrees (complete circle)

so

x+60^o+135^o=360^o

solve for x

x+195^o=360^o

x=360^o-195^o

x=165^o

5 0
3 years ago
−0.63p − 5.04 + 3.57 = 7.05 + 2.21p?
grandymaker [24]

Answer:

p = -3

Step-by-step explanation:

−0.63p − 5.04 + 3.57 = 7.05 + 2.21p

−0.63p − 1.47 = 7.05 + 2.21p    (add 0.63p to both sides)

− 1.47 = 7.05 + 2.21p + 0.63p

− 1.47 = 7.05 + 2.84p  (subtract 7.05 from both sides)

− 1.47 - 7.05 =  2.84p

-8.52 = 2.84p  (rearrange)

2.84p = -8.52   (divide both sides by 2.84)

p = -8.52 / 2.84

p = -3

6 0
3 years ago
Read 2 more answers
PLSSSSS HELPPP
lorasvet [3.4K]
Do 2.63 x 3 to check ur answer
3 0
3 years ago
The system of equations y = 2x + 5 and y = –3x – 15 is shown on the graph below.According to the graph, what is the solution to
gtnhenbr [62]

Answer:

(-4, -3)

Step-by-step explanation:

The graph of both lines will be shown below.

To find the solution, we need to find the point on the graph that both lines intersect on.

As we can see, both lines intersect on the point (-4, -3). Thus, that is the solution.

Best of Luck!

6 0
3 years ago
Read 2 more answers
Rewrite each expression as a polynomial in standard form.a)(x+i)(x-i)b)(x+5i)(x-5i)
Nitella [24]

Answer:

a) x² +1

b) x² +25

Step-by-step explanation:

a) (x+i)(x− i)

   = x² - ( i ) x + ( i ) x - ( i)²

   = x² -  i²                       ∵ i² = -1

   = x² -  (-1)

   = x² +1

b) (x+5 i)(x− 5i)

 = x² - ( 5 i ) x + ( 5 i ) x - ( 5 i)²

   = x² - 25 i²                       ∵ i² = -1

   = x² -  25(-1)

   = x² +25

we can also solve

using identity

   (a + b)(a - b) = a² - b²

   = (x+5 i)(x− 5i)    

   = x² - (5 i)²

   = x² - 25 i²

   = x² +25

8 0
3 years ago
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