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crimeas [40]
3 years ago
14

The area of the right-

Mathematics
1 answer:
natulia [17]3 years ago
8 0

Answer:

x = 15 cm

Step-by-step explanation:

Triangle area:

area = \frac{(20)(15)}{2}  = \frac{300}{2}  =  150 \: cm

Then rectangle area:

area = (10)(x) \\ 150 = 10x \\ x =  \frac{150}{10}  \\ x = 15 \: cm

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A lunch bill costs $40. If you want to leave a 15% tip, how much money should you leave for the total bill?
harkovskaia [24]

Answer:

The tip will be $6 and the total bill will be $46.00

Step-by-step explanation:

8 0
3 years ago
the sum of 2 positive integers is 10. the difference of their reciprocals is 3/8. find both positive integers
Elena-2011 [213]

Answer:

The 2 integers would be: 2 and 8

Step-by-step explanation:

2 + 8 = 10

Reciprocal of 2: 1/2

Reciprocal of 8: 1/8

1 / 2 - 1 / 8 = 4/8 - 1/8 = <u>3/8</u>

4 0
3 years ago
Y = 3 - 1/2x please help. please put coordinates below. thank you.<br>thank you.
inna [77]
Coordinates would be: (0,3) (6,0)
if you need more help with these questions try using the app called desmos :)
4 0
3 years ago
What are the x and y-intercepts of the line?
natta225 [31]

Answer:

B

Step-by-step explanation:

To find the y-intercept, plug in x=0 in the original equation. (You want to find what y is when x=0)

2x + 3y = -12

2(0) + 3y = -12 (Plug in x=0)

3y = -12 (2*0=0, so you can ignore that part)

y = -4 (Divide both sides by 3)

This narrows down our choices to either A or B.


To find the x-intercept, plug in y=0 into the original equation. (You want to find what x is when y=0)

2x + 3y = -12

2x + 3(0) = -12 (Plug in y=0)

2x = -12 (3*0=0, so you can ignore that part)

x = -6 (Divide both sides by 2)


If our x intercept is -6 and our y intercept is -4, that makes our answer B.

4 0
4 years ago
Find the mean deviation from each data set.<br>(a)<br>12<br>6<br>7<br>3<br>15<br>10<br>18<br>5​
Pavlova-9 [17]

Answer:

5

Step-by-step explanation:

you find the mean of the numbers and use the mean and subtract the mean from all of the numbers.

Sorry I am bad at explaining

3 0
3 years ago
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