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lara31 [8.8K]
3 years ago
13

Pls help I Don't wanna Fail

Mathematics
1 answer:
Finger [1]3 years ago
3 0
9000 Step by Step Explanation

I just used a calaculator
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How do I solve these questions?
stich3 [128]
Y = -4x - 5.....(0,?)...so we know x = 0, so sub in 0 for x and solve for y
y = -4(0) - 5
y = -5....so one point is (0,-5)
do the same for the other points and u get (1,-9) , (-1,-1)

y = -4x - 5.....slope is -4 and ur y int (where ur line crosses the y axes) is (0,-5).
to find the x int (where the line crosses the x axes), sub in 0 for y and solve for x.
0 = -4x - 5
4x = -5
x = -5/4.....or - 1 1/4(for graphing purposes)...x int is (-5/4,0)
so plot all ur points and connect the dots
============================
4x + 9y = 0...(-9,?)..so x = -9..so sub in -9 for x and solve for y
4(-9) + 9y = 0
-36 + 9y = 0
9y = 36
y = 36/9
y = 4...so ur point is (-9,4)

do the same for the others and ur points are : (0,0) , (9,-4)

4x + 9y = 0
9y = -4x....so ur slope is -4 and ur y int is (0,0)
ur x int is : (0,0)....so basically u have a line going through the origin (0,0)
plot all ur points and connect the dots
6 0
3 years ago
Let V(x) = -x2 + 2x - 4 and W(x) = -~3 + 2x2 + x +, 5. Find<br> V(x) + W(x).<br> ASAP
Andrews [41]

Answer:

-x3+x2+3x+1

Step-by-step explanation:

V(x) + W(x) = -x2 + 2x - 4 + -x3 + 2x2 + x + 5= -x3+x2+3x+1

8 0
2 years ago
3. 10 Rani received $250 and decided to buy an instant camera and an If the camera cost $187 and the cost of the SD card was of
LekaFEV [45]

Answer:

44.3$

Step-by-step explanation:

187 + 1/10*187= 205.7$

250-205.7= 44.3$ left

4 0
2 years ago
Read 2 more answers
The greatest vertical and horizontal length of and area thats 126 feet long
djverab [1.8K]
It's could be 63 by 2 cus 126/2=63
6 0
3 years ago
PLS HELP ME GUYS THIS IS GEOMETRY. ONE REAL ANSWER EQUALS ONE LIKE AND MAYBE BRAINLYIST IF IT ALLOWS ME.
FromTheMoon [43]

Answer:

47,47,47,43

Step-by-step explanation:

maybe, but I'm not sure

4 0
3 years ago
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