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2 years ago

The perimeter of a square garage door is 16 yards. How long is each side of the garage door?

Mathematics

2 answers:

Andre45 [30]2 years ago

8 0

Answer:

each side will be 4

Step-by-step explanation:

since a square has 4 sides the equation will be 16÷4

Harman [31]2 years ago

3 0

Since a square has all equal sides (4 sides) you would do 16 divided by 4 and get 4

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Translate the sentence into an equation Twice the difference of a number and 9 is equal to 5use the variable w for the unknown n

TEA [102]

Let w the unknown number. Then, you have

$\begin{gathered} 2(w-9)\rightarrow\text{ Twice the difference of a number and 9} \\ 2(w-9)=5\rightarrow\text{Twice the difference of a number and 9 is equal to 5} \end{gathered}$

3 0

9 months ago

Suppose that demand in period 1 was 7 units and the demand in period 2 was 9 units. Assume that the forecast for period 1 was fo

Zepler [3.9K]

Answer:

Step-by-step explanation:

Forecast for period 1 is 5

Demand For Period 1 is 7

Demand for Period 2 is 9

Forecast can be given by

$F_{t+1}=F_t+\alpha (D_t-F_t)$

where

$F_{t+1}=Future Forecast$

$F_t=Present\ Period\ Forecast$

$D_t=Present\ Period\ Demand$

$\alpha =smoothing\ constant$

$F_{t+1}=5+0.2(7-5)$

$F_{t+1}=5.4$

Forecast for Period 3

$F_{t+2}=F_{t+1}+\alpha (D_{t+1}-F_{t+1})$

$F_{t+2}=5.4+0.2\cdot (9-5.4)$

$F_{t+2}=6.12$

8 0

2 years ago

What is the value of the missing variable?<br> 2x+4 = 20

Gemiola [76]

Answer:

the answer is X=8

Step-by-step explanation:

2(8)+4=20

3 0

2 years ago

Read 2 more answers

(4 + 32)(15 – 23)<br> can someone help me out with the answer? :,)

hoa [83]

Answer:

-288

Step-by-step explanation: I took the following steps to find the answer:

(4 + 32)(15 – 23)

\ /

(36)(15 – 23)

\ /

(36) (- 8)

\ /

-288

4 0

1 year ago

Solve each equation by either substitution or addition method.

irina [24]

Answer: (2,2), (4,2)

First, I subtracted 2y from both sides of the second equation. Then, I substituted -2y+6 in for x in the first equation (-2y+6)²+4y²=20. Then, I expanded 4y²-24y+16+4y²=20. Next, I combined like terms, and moved everything to one side 8y²-24y+16=0. Then, I factored out an 8, and then finished factoring 8(y-2)(y-1). This gives me my y-values, y=1,2. Next, I inserted each y-value into the second equation and got x=-2(1)+6 ---> x=4 (The first solution is (4,1). ) and x=-2(2)+6----->x=2 (The second solution is (2,2).

6 0

2 years ago