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Amiraneli [1.4K]
3 years ago
12

Can someone solve these for me

Mathematics
1 answer:
tatuchka [14]3 years ago
8 0

Answer:

0.66 and 33/50

62.5% and 5/8

0.75 and 3/4

120% and 1 1/5

0.005 and 1/200

3.75 and 375%

I hope that is correct and helps you! :)

Step-by-step explanation:

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How do I write 435 in expanded from
SVEN [57.7K]

Answer : 400 + 30 + 5

Step - by - step explanation : To write something in expanded form means to write the number individually. " To see the math value of individual digits ".

4 --> Since it's in the hundreds place that means the number is 400 !

3 --> Since it's in the tenths place that means the number is 30 !

5 --> Since it's the first digit that means it stays as the number 5 !

Hope this helped ! <33

Take care happy holidays ! Contact me if you need more help on this ! ( If you want )

4 0
2 years ago
Adam celebrated his eighteenth birthday with friends at a Chinese restaurant. The bill came to $287.69 without tax. The service
VARVARA [1.3K]

Answer:61.4

Step-by-step explanation:

8 0
3 years ago
Find an equation for the perpendicular bisector of the line segment whose endpoints
TEA [102]

Answer:

y= -2x -8

Step-by-step explanation:

I will be writing the equation of the perpendicular bisector in the slope-intercept form which is y=mx +c, where m is the gradient and c is the y-intercept.

A perpendicular bisector is a line that cuts through the other line perpendicularly (at 90°) and into 2 equal parts (and thus passes through the midpoint of the line).

Let's find the gradient of the given line.

\boxed{gradient =  \frac{y1 -y 2}{x1 - x2} }

Gradient of given line

=  \frac{1 - ( - 5)}{3 - ( - 9)}

=  \frac{1 + 5}{3 + 9}

=  \frac{6}{12}

=   \frac{1}{2}

The product of the gradients of 2 perpendicular lines is -1.

(½)(gradient of perpendicular bisector)= -1

Gradient of perpendicular bisector

= -1 ÷(½)

= -1(2)

= -2

Substitute m= -2 into the equation:

y= -2x +c

To find the value of c, we need to substitute a pair of coordinates that the line passes through into the equation. Since the perpendicular bisector passes through the midpoint of the given line, let's find the coordinates of the midpoint.

\boxed{midpoint = ( \frac{x1 + x2}{2} , \frac{y1 + y2}{2})  }

Midpoint of given line

= ( \frac{3  -  9}{2} , \frac{1 - 5}{2} )

= ( \frac{ - 6}{2}  , \frac{ - 4}{2} )

= ( - 3 , - 2)

Substituting (-3, -2) into the equation:

-2= -2(-3) +c

-2= 6 +c

c= -2 -6 <em>(</em><em>-</em><em>6</em><em> </em><em>on both</em><em> </em><em>sides</em><em>)</em>

c= -8

Thus, the equation of the perpendicular bisector is y= -2x -8.

5 0
3 years ago
The buying price is $10 and the markup is 80% of the buying price what is the markup?
KATRIN_1 [288]
$10 * .8 = $8 that's it
8 0
3 years ago
4. Compare: 63% and 0.8 *
vovangra [49]

Answer:

.8>63%

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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