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kipiarov [429]
3 years ago
9

Can anyone help !! Please

Mathematics
1 answer:
faust18 [17]3 years ago
3 0

Answer:

the first question is x=68/3 in standard from it is 3x=68

the second question is x= - 11/10

Step-by-step explanation:

for the second question the negative is beside the fraction.

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The answer is 20-13x
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Can someone help me with 1 2 and 3 please
3241004551 [841]

Answer:

1. vertical angles

2. 90°, complementary

3. 180°, supplementary

6 0
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Read 2 more answers
What is the slope of the line below
Fofino [41]

Answer:

C. \frac{1}{2}

Step-by-step explanation:

You can use the formula to find the slope: \frac{y_{2}-y_{1} }{x_{2}-x_{1} }

(-1.5, 1.5) & (1.5, 0)

\frac{0-(-1.5)}{1.5-(-1.5)} =\\\\\frac{0+1.5}{1.5+1.5} =\\\\\frac{1.5}{3} =\\\\\frac{1}{2}

The slope is \frac{1}{2}

3 0
3 years ago
Find the input (x) of the function y = -4/3x+ 20 if the output<br> (y) is -80
RideAnS [48]

Answer:

x=75

Step-by-step explanation:

4 0
3 years ago
The area of a circle is 47.39cm2. find the length of the radius rounded to 2 dp.
Tpy6a [65]

The length of the radius rounded to 2 decimal points is 3.88cm.

In geometry, the area enclosed by a circle of radius r is pie  πr^2.

How to round decimals?

Rounding decimals consists of rounding a decimal number to a certain number of decimal places, to save time and help us express really long numbers in shorter terms. There are certain rules to follow when rounding a decimal number. Put simply, if the last digit is less than 5, round the previous digit down. However, if it’s 5 or more than you should round the previous digit up. So, if the number you are about to round is followed by 5, 6, 7, 8, 9 round the number up. And if it is followed by 0, 1, 2, 3, 4 round the number down.

The area of circle is 47.39cm^2.

Putting it in the formula we get

47.39cm^2 = πr^2

r^2 = 47.39 / π

r^2 = 15.0847

r = 3.88 cm

Hence the length of the radius rounded to 2 decimal points is 3.88cm.

Learn more about circles here :

brainly.com/question/22275589

#SPJ4

5 0
2 years ago
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