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murzikaleks [220]
3 years ago
14

A number cube is rolled and a coin is flipped, predict how many times you would get heads and a number less than 3 in 240 trials

:
A.60
B.40
C.30
D.20
Mathematics
2 answers:
charle [14.2K]3 years ago
8 0
Your answer would be B.40
Varvara68 [4.7K]3 years ago
3 0
D.20 TIMES U CAN GET HEADS
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Please help!!!! will mark brainlest
fomenos

Answer: B. 84 in²

Step-by-step explanation:

Divide the area into two regions: a rectangle and a trapezoid (depicted in the attached photo).

Find the area of the rectangle:

Area of a rectangle=length*width

Area of rectangle=(5 in)( 10 in)

Area of rectangle=50 in²

Next, calculate the area of the trapezoid:

Area of trapezoid=\frac{h(b_{1} +b_{2}) }{2}

h=10 in-6 in

h=4 in

b_{1} =15 in

b_{2} =15 in-5 in

b_{2} =10 in

Area of trapezoid=\frac{4in(7 in+10in)}{2}

Area of trapezoid=\frac{4(17in^{2})  }{2}

Area of trapezoid=\frac{68in^{2} }{2}

Area of trapezoid=34in^{2}

Add the area of the trapezoid to the area of the rectangle to find the total area: 50 in²+34 in²=84 in²

3 0
3 years ago
Add the following monomials <br> 3a , 2b -5c<br> -3a, 2b a , b
Inessa [10]

Answer:

1a,5b, -5c

Step-by-step explanation:

8 0
4 years ago
Given that f(x)= ax + bx, f(5)= 35, and f(-4)= 44 Find the constants a and b.​
Kryger [21]

Answer:

Given that f(x)= ax + bx, f(5)= 35, and f(-4)= 44 Find the constants a and b.​

Step-by-step explanation:

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(1, 3) (2, 8) ( 4, 18) what is the slope?
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Step-by-step explanation:

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Nata [24]

The gradient of the line 3y-12x+7=0 is; 4.

According to the question;

  • We are responsible to determine the gradient of the line 3y-12x+7=0.

To do this; we must rewrite the equation 3y-12x+7=0 in the slope-intercept form as follows;

  • 3y-12x+7=0

  • 3y = 12x - 7

  • y = 4x -7/4

By comparison with; y = mx + c;

where, gradient/slope is m;

The gradient/slope of the line 3y-12x+7=0 is; 4.

Read more:

brainly.com/question/21538446

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3 years ago
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