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OLEGan [10]
3 years ago
14

The sum of two numbers is 1. The difference of the numbers is 9. What are 5 points

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
7 0

Answer:

The numbers are 5 and -4

Step-by-step explanation:

let the numbers be =x and y

x+y=1—eqn 1

x-y=9—eqn 2

Add both equations

2x=10

x=5

Plug x=5 into eqn 2

5-y=9

5-9=y

y=-4

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3 years ago
Please solve in the next 10 minutes pleaseeee
Alex787 [66]

Answer:

43.82 mph

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Step-by-step explanation:

Given :

S = √30fl

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B.)

s = 80 mph

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s = √30fl

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6 0
2 years ago
Scott is four more than double the age of Todd. Scott is 56. What is Todd's age?
SSSSS [86.1K]

Answer: 26 years old

Step-by-step explanation:

Since Scott is four more than double the age of Todd, start by taking away four from Scott's age.

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Then take half of that because that would be double of Todd's age

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Todd is 26 years old.

5 0
2 years ago
150% of what length is 66 cm
svet-max [94.6K]

let's say is "x", thus "x" is the 100%.

we know that 66 is 150%, what is "x"?


\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 66&150\\ x&100 \end{array}\implies \cfrac{66}{x}=\cfrac{150}{100}\implies \cfrac{66}{x}=\cfrac{3}{2} \\\\\\ 132=3x\implies \cfrac{132}{3}=x\implies 44=x

6 0
3 years ago
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