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Sophie [7]
2 years ago
8

Need the answer now pls

Mathematics
2 answers:
Schach [20]2 years ago
6 0

Answer:

35x-35y

Step by step explanation: I

0.5(20x-50y+36)-0.25(100x+40y-12)

10x-25y+18+25x-10y+3 -------- after we distribute 0.5&-0.25

10x+25x-25y-10y+18+3. ---------we collect the like terms to add them or substract

35x-35y+21 -----------------------------simplified form

kodGreya [7K]2 years ago
5 0

Answer:

35x-35y

Step-by-step explanation:

simply simplify both sides then subtract

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an architect designs a rectangular flower garden such that the width is exactly two thirds of the length. if 230 feet of antique
Oliga [24]

Answer:

<h2>length = 69 ft.</h2><h2> width = 46 ft.</h2>

Step-by-step explanation:

perimeter (p) = 2L + 2W

where P = 230 ft.

W = 2/3L

plugin values into the formula:

230 = 2L + 2(2L/3)

230 = 2L + 4/3L

230 = 10/3L

L = 690/10

L = 69

W = 2/3L

W = (2/3) 69

W = 46

P = 2(69) + 2(46)

P = 230 ft.

therefore,

the dimensions of the rectangular garden:

length = 69 ft

width = 46 ft.

4 0
3 years ago
Solve the equation 1/4a=3
Tanzania [10]

Answer:

a= 12

Step-by-step explanation:

(1/4)*a = 3 // - 3

(1/4)*a-3 = 0

1/4*a-3 = 0 // + 3

1/4*a = 3 // : 1/4

a = 3/1/4

a = 12

3 0
3 years ago
An architect makes a model of a new house with a patio made with pavers. In the model, each paver in the patio is 1/3 in. long a
ladessa [460]

Answer:

The constant of proportionality between the actual dimensions of the pavers and the model is 9.


The proportionality constant for the area is 81.

Step-by-step explanation:

To solve this problem, let's transform all quantities to the same units (inches)


The actual dimensions of the pavers are:


Width = \frac{1}{8} ft * \frac{12in}{1 ft} = \frac{3}{2} in\\\\ Length = \frac{1}{4} ft * \frac{12in}{1 ft} = 3in


Then we divide the real dimensions between those of the model:


Width:


\frac{\frac{3}{2}}{\frac{1}{6}}= 9

Long =


\frac{3}{\frac{1}{3}}= 9



Then, the constant of proportionality between the actual dimensions of the pavers and the model is 9.


Actual length = model length * (9)


The "A" area of a paver is the product of its width multiplied by its length.


So:


(real width) * (real length) = ((9) Model width) * ((9) model length)


(real width) * (real length) = 9 ^ 2 * (Model width) * (model length)


(real area) = 81 * (Model area)


The proportionality constant for the area is 81.


4 0
3 years ago
Read 2 more answers
Order the following numbers from least to greatest: -5.6, -1.25, -7.8,9<br>​
fenix001 [56]
-7.8,-5.6,-1.25,9

Hope this helped!! :)
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=5040%20%20%5Cdiv%2020" id="TexFormula1" title="5040 \div 20" alt="5040 \div 20" align="absmi
Simora [160]
252 do it on a calculator it takes 2 seconds but if your like doing a test and can’t use a calculator it’s better to do the long division
6 0
3 years ago
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