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gogolik [260]
3 years ago
14

Please help me!!

Mathematics
1 answer:
Stells [14]3 years ago
6 0
5 \times 2 + 1 = 11 \\ 4 \times 3 = 12 \\ 2 \times 5 + 3 = 13 \\ 2 + 3 + 4 + 5 = 14 \\ 3 \times 5 = 15 \\ 3 \times 5 + 1 = 16 \\ 4 \times 3 + 5 = 17 \\ (4 + 2) \times 3 = 18 \\ (4 + 2) \times 3 + 1= 19 \\ 4 \times 5 = 20

Hope it helps you !
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The distance between Logan airport and Framingham a car can cover in 20 min. Logan Express bus can cover this distance in 30 min
Ronch [10]
That's a pretty confusing one. I think it's 10 minutes.
4 0
3 years ago
Venus and Serena measured a tennis court and found that it was 42ft longer than it was wide and had a perimeter of 228ft. What w
mr_godi [17]

Answer:

length = 78 feet

width = 36 feet

Step-by-step explanation:

Using one variable and an expression, you can set up an equation equal to the perimeter to find the measure of each side:

width = 'w'

length = '42ft longer than it was wide' = w + 42

The general formula for the perimeter of a rectangle:

P = 2w + 2l

Plugging in the given values and variables:

228 = 2w + 2(w + 42)

Distribute: 228 = 2w + 2w + 84

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Divide and solve:  36 = w

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8 0
3 years ago
How to get 14 using four fours
Len [333]

Answer:

14

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5 0
3 years ago
Evaluate the expression 5(8y+3r-5z) if r=3,y=5/8,and z=2
snow_lady [41]
First you plug in the missing values
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3 0
3 years ago
The world population is projected to be 6.7 billion in 2040. At that​ time, there are expected to be approximately 2 billion mor
Charra [1.4K]
\bf \begin{cases}
s=\textit{Asia's population}\\
a=\textit{Africa's population}\\
r=\textit{rest of the world}\\
----------\\
\boxed{s}=a+2\\
\boxed{r}=\frac{s}{2}+0.2
\end{cases}\implies 
\begin{array}{llll}
s+a+r=6.7\\\\
\boxed{a+2}+a+\boxed{\cfrac{s}{2}+0.2}=6.7\\\\
a+2+a+\cfrac{\boxed{a+2}}{2}+0.2=6.7
\end{array}

solve for "a", to see what Africa's population will then be
5 0
3 years ago
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