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romanna [79]
3 years ago
7

HELP!! I WILL MARK U BRAINLIEST IT DUE IN 10 MINSSS

Mathematics
1 answer:
expeople1 [14]3 years ago
4 0

Answer:

1 3/8

Step-by-step explanation:

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5 1/6•(-2/5)=<br> Answer as a fraction
lapo4ka [179]
-31/15 is the correct answer
6 0
3 years ago
Solve the equation. 40 = x - 20<br><br><br> a-60<br><br> b60<br><br> c20<br><br> d<br> -20
tangare [24]

40 = x - 20

move -20 to the other side

sign changes from -20 to +20

40+20= x-20+20

40+20=x

60=x

Answer:

b 60

4 0
3 years ago
If r = 3.2, what is the area of the shaded region? Round your answer to the nearest hundredth. Use your calculator's value of π.
Lunna [17]

Answer:

99.38

Step-by-step explanation:

the area of all the circles by using the formula A=ℼr2 then filling in r with 3.2 A=ℼ3.22=32.2

Knowing that one circle is 32.2 4 circles would have an area of 128.8

Two circles have a combined length and height of 12.8 because the circumference of one circle is 6.4 so two circles reach the sides of the square. So all the sides of the square are 12.8. So finding the area of the square knowing what the sides are, so the area is a=163.84. To find the shaded area you subtract the volume of the square to volume of all 4 circles which is 163.84-128.8 which equals 35.04. Then you find the volume of the semi circle which is 64.34. Then the combination of both shaded regions is 99.38

8 0
3 years ago
Complete the equation of this line in slope-intercept form y= _x-1
Andre45 [30]

Answer:

it will be 3 hope that helps

4 0
3 years ago
Which is the equation in slope-intercept form for the line that passes through (-2, 15) and is perpendicular to 2x + 3y = 4?
Ilya [14]

Answer:

B

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 2x + 3y = 4 into this form

Subtract 2x from both sides

3y = - 2x + 4 ( divide all terms by 3 )

y = - \frac{2}{3} x + \frac{4}{3} ← in slope- intercept form

with slope m = - \frac{2}{3}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{2}{3} } = \frac{3}{2}, hence

y = \frac{3}{2} x + c ← is the partial equation of the perpendicular line

To find c substitute (- 2, 15) into the partial equation

15 = - 3 + c ⇒ c = 15 + 3 = 18

y = \frac{3}{2} x + 18 → B

4 0
4 years ago
Read 2 more answers
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