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bazaltina [42]
2 years ago
6

Using 20 boxes of nails a carpenter was able to finish 40 bird houses. Write an

Mathematics
2 answers:
Dmitrij [34]2 years ago
8 0

Answer : 2 boxes

Step-by-step explanation:

1/2 box = 1/4 house

So, 1 full box will be 2/4 or half of the house.

Therefore, 2 boxes of nails will be used for 4/4 or 1 birdhouse

i hope it helped.

geniusboy [140]2 years ago
7 0

Answer: 20 times 2 = 40/ 40 divided by 2 = 20

Step-by-step explanation: Both of them are used to help find the answer to the equation.

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8(3(2x+3y)) what does it equal?
rjkz [21]

Hello from MrBillDoesMath!

Answer:

48x + 72y

Discussion:

8(3(2x+3y))    =                               => as 8*3 = 24

24 (2x + 3y)    =

24*2x + 24*3y =

48x + 72y

Thank you,

MrB

7 0
3 years ago
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Angle 3 and angle 4 form a linear pair. The measure of Angle 3 is four more than three
mel-nik [20]

Answer:

angle 3. ( x ) is 136°

angle 4 ( y ) is 44° !!

Step-by-step explanation:

Let angle 3 be x and angle 4 be y

Given, Angle 3 and angle 4 form a linear pair

x + y = 180 [ sum of linear pair angle is 180 ] ... ( i )

Also, The measure of Angle 3 is four more than three

The measure of Angle 3 is four more than threetimes the measure of angle 4.

x = 4 + 3y .... ( ii )

Putting value of x from ( ii ) in ( i )

4 + 3y + y = 180

4y = 176

y = 44

Also, x + y = 180 => x = 180 - 44 = 136

7 0
2 years ago
What is the surface area of a rectangular prism that has a height of 5 cm, a width of 10 cm, and a depth of 4 cm?
Ket [755]

Option C: 220 \ cm^2 is the surface area of the rectangular prism

Explanation:

The height of the rectangular prism is 5 cm

The width of the rectangular prism is 10 cm

The depth of the rectangular prism is 4 cm

We need to determine the surface area of the rectangular prism.

The surface area of the rectangular prism can be determined using the formula,

A=2(w l+h l+h w)

Substituting w=10 , h=5 and l=4 in the formula, we get,

A=2 \cdot(10 \cdot 4+5 \cdot 4+5 \cdot 10)

Multiplying the terms within the bracket, we have,

A=2 \cdot(40 +20+5 0)

Adding all the values within the bracket, we get,

A=2 \cdot(110)

Multiplying, we have,

A=220

Thus, the surface area of the rectangular prism is 220 \ cm^2

Hence, Option C is the correct answer.

4 0
2 years ago
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What does k equal?<br> As in y=kx<br> Pls help
Studentka2010 [4]

Answer:

Direct Variation Use y=kx. Means “y varies directly with x.” k is called the constant of variation. “y varies inversely with x.” k is the constant of variation.

8 0
2 years ago
Order the integers from least to greatest.<br><br><br><br> -7 2 6 -4 3
tangare [24]
-7, -4, 2, 3, 6.

Hoped I helped!
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3 years ago
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