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2 years ago

He has 9 cans of white paint and 20 cans of blue paint.

Mathematics

1 answer:

Liula [17]2 years ago

3 0

Answer:

The answer to the problem is 1/2

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Three times a number, less twice the number and 9 is 17. What is the number?

Harlamova29_29 [7]

I believe your answer is 8.

Three times a number less than twice the number and nine is seventeen can be written as: 3n - 2n + 9 = 17

Solve for n as follows:

3n - 2n = n

n + 9 = 17

17 - 9 = 8

Hope this helps! :)

7 0

3 years ago

PLz answer before 11:59 pm

Tpy6a [65]

Answer:

SA = 2520 ft^2

Step-by-step explanation:

a = 21ft

b = 29ft

c = 20ft

h = 30ft

SA = 2 $A_{B}$ + (a+b+c)h

$A_{B}$ = s(s﹣a)(s﹣b)(s﹣c)

s = $\frac{a + b + c}{2}$

SA= ah + bh + ch + $\frac{1}{2}$ $\sqrt{-a^4 + 2(ab)^2 + 2(ac)^2 - b^4 + 2(bc)^2 - c4}$

SA= (21 * 30) + (29 * 30) + (20 * 30) +

$\frac{1}{2}$ $\sqrt{-(21)^4 + 2(21 * 29)^2 + 2(21 * 20)^2 - (29)^4 + 2(29 * 20)^2 - (20)^4}$

SA = 2520 ft^2

6 0

3 years ago

What is the x-intercept of the equation: y = 3x - 9

KatRina [158]

Answer:

(3,0)

Step-by-step explanation:

8 0

3 years ago

Solve for x<br> -4(-5x+2)-3x-5=-30

valentina_108 [34]

Answer:

x=-1

Step-by-step explanation:

-4(-5x+2)-3x-5=-30

open the bracket

+20x-8-3x-5=-30

collect like terms

20x-3x-8-5=-30

17x=-30+13

17x= - 17

divide both sides by 17

x= -1

5 0

3 years ago

Read 2 more answers

Can someone help please?;)

Vikki [24]

Answer:

56.137 Square Unit

Step-by-step explanation:

Rectangle: 7x6=42

1/2 Circle: 1/2x3x3x $\pi$ =14.137

42+14.137=56.137

7 0

3 years ago