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svetlana [45]
2 years ago
6

Solve each inequality x+1>-5(7-2x)

Mathematics
1 answer:
Natalka [10]2 years ago
3 0

x+1 > -5(7-2x)\ \ \ \ |\text{use distributive property}\\\\x+1 > (-5)(7)+(-5)(-2x)\\\\x+1 > -35+10x\ \ \ \ |-1\\\\x > -36+10x\ \ \ \ |-10x\\\\-9x > -36\ \ \ \ |\text{change the signs}\\\\9x < 36\ \ \ \ |:9\\\\\boxed{x < 9}\to x\in(-\infty,\ 9)

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I will give brainliest
garri49 [273]
4(100)=400
400/1=400
You will need 400 stakes
7 0
2 years ago
City A is 10 miles from city B and 5 miles from city C. Cities A, B, and C form a right triangle at A. A road connects cities B
laila [671]

Answer:

11.18 miles

Step-by-step explanation:

The sides of a right triangle a, b, c are related by the equation

a^2 + b^2 = c^2

where c is the longest side of the triangle

Hence given that A connects B and C directly and forms a right angle at A

5^2 + 10^2 = c^2

Where c is the length of the road

25 + 100 = c^2

125 = c^2

c = 125^1/2

= 11.18 miles

3 0
2 years ago
48 is 9 less than 3 times a number. What is the number?
Kamila [148]
19 x 3 = 57 57 - 9 = 48 Your answer is 19.
4 0
3 years ago
Read 2 more answers
PLEASE HELP!! (and show steps if u can)
Flauer [41]

Answer:

slope: -1

Step-by-step explanation:

Complete y2 - y1 over x2 - x1 with your given points.

-3 - (-1)  =  -2

_____     ___

2  -  0  =    2

= ⁻²⁄₂ = -1      Simplify to lowest term

3 0
2 years ago
URGENT!!!!!<br> With workings
Aneli [31]
There’s probably an easier way to do it like with the equation to find the area of a trapezoid but i did it this way bc it’s easier for me

i split the trapezoid into a triangle and a square
with the pythagorean theorem i found the missing side length to find the area of the square (length X width)
then found the area of the triangle (base X height divided by 2)

THE ANSWER IS 68.9 CM

6 0
3 years ago
Read 2 more answers
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