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a_sh-v [17]
2 years ago
5

This is an urgent matter! Please help!

Mathematics
1 answer:
OLEGan [10]2 years ago
6 0

Answer:

the answer is c a increasing line

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What is the value of f(−1) when f(x)=2x+2 ?
Andreyy89
X=-3/2. The value of f(-1). All you do is plug the numbers In.
6 0
3 years ago
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What are the solutions to the following system of equations? Select the correct answer below.
Black_prince [1.1K]
(a). 8x + y = 20, where (b). y = x2 - 2x + 4
So where y is in equation (a), substitute in the value of y in (b). 
8x + (x2 - 2x + 4) = 20
8x + (4) = 20
Get rid of the 4 on both sides (since what you do to one side, you must do to the other)
8x + 4 - 4 = 20 - 4
8x = 16
Get rid of the 8 to leave x on its own
8x ÷ 8 = 16 ÷ 8
x = 2
So now that you have x, find y but substituting in the value you just found (2) into one of the starting equations. 
8x + y = 20 where x is 2.
8(2) + y = 20
16 + y = 20
Minus 16 from both sides
y = 20 - 16 = 4
So x is 2 and y is 4
5 0
3 years ago
Read 2 more answers
Find the zeros of the function. Write the smaller solution first, and the larger solution second. f(x)=(x+8)^2−1
BartSMP [9]

Answer:

zeroes: x = -9 and x = -7

Step-by-step explanation:

f(x)=(x+8)^2−1

A "zero" refers to when the y-value on the graph is zero.

0 = (x+8)^2 - 1

1 = (x+8)^2

+ or - 1 = x+8

so break them apart into two equations

x+8 = 1  OR  x+8 = -1

x = -7  OR  x = -9

You can plug both back in to check that the equation works!

4 0
3 years ago
The sum of two numbers is 64 . the larger number is 18 more than the smaller number. what are the numbers?
-BARSIC- [3]
64-18 is 46
46/2 is 23
23+18 is 41

Your #s are 21 and 43
8 0
3 years ago
Find the height of the tree
NeX [460]

Use the property of similarity of triangles =》the corresponding sides of a triangle should be in the same ratio.

Take the missing side as 'x'.

The corresponding sides here are,

■ 7 & 14 ft

■ 5 & x ft

7/14 = 5/x

7x = 5 × 14 (cross multiplication)

7x = 70

x = 70/7

x = 10 ft

Height of the tree = 10 ft.

_____

Hope it helps ⚜

8 0
2 years ago
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