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kaheart [24]
2 years ago
9

PLEASE HELP ME, ill give points! Im in the 7th grade

Mathematics
1 answer:
sdas [7]2 years ago
4 0

Answer: y=-5 x=5

explanation: look at the number the x and y is on

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Y=+4=3/4 (x-1)<br><br> Find a point on the line and the lines slope
snow_tiger [21]

Answer:

slope = -3/4

Step-by-step explanation:

Slope:

− 3/4

y-intercept:  

13 /4

Any line can be graphed using two points. Select two  values, and plug them into the equation to find the corresponding  values.

x   |  y

0   |  13 /4

1   |   5/ 2

Hope this helps @(^_^)@

3 0
3 years ago
What is the discriminant of the equation below? <br> X^2 - 8x - 2 = 0
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

b^2 - 4ac > 0

(-8)^2 - 4(1)(-2) = 64 + 8 = 72

two solutions

4 0
3 years ago
1 4/5 x 6 =???<br> please help
icang [17]
10 4/5 is the answer.
7 0
3 years ago
Read 2 more answers
Which of the following functions f : {0, 1, 2, 3} ! {0, 1, . . . , 7} are one-to-one?
allsm [11]

Answer:

1. No.

f(0)=0\\1^2=1; \text{then } f(1)=1\\2^2=4\equiv 4 \text{ mod 8}; \text{then } f(2)=4\\3^2=9\equiv 1 \text{mod 8 }; \text{then } f(3)=1

Since f(1)=f(3) and 1\neq 3 then f isn't one-to-one.

2. No

f(0)=0\\1^3=1\equiv 1\text{ mod 8}; \text{then } f(1)=1\\2^3=8\equiv 0\text{ mod 8}; \text{then } f(2)=0\\3^3=27\equiv 3 \text{ mod 8}; \text{then } f(3)=3

Since f(0)=f(2) and 0\neq 2 then f isn't one-to-one.

3. No

0^3-8=-8\equiv 0\text{ mod 8}; \text{then } f(0)=0\\1^3-8=-7\equiv 1\text{ mod 8}; \text{then } f(1)=1\\2^3-8=0\equiv 0 \text{ mod 8}; \text{then } f(2)=0\\3^3-8=27-8=19\equiv 3 \text{ mod 8}; \text{then } f(3)=3\\

Since f(0)=f(2) and 0\neq 2 then f isn't one-to-one.

4. Yes

0^3+2*0=0; \text{then } f(0)=0\\1^3+2*1=3\equiv 3\text{ mod 8};  \text{then } f(1)=3\\2^3+2*2=8+4=12\equiv 4 \text{ mod 8};  \text{then } f(2)=4\\3^3+2*3=27+6=33\equiv 1\text{ mod 8};  \text{then } f(3)=1

Since f(0)\neq f(1)\neq f(2) \neq f(3), then f is one-to-one

5. Since f(1)=f(3) and 1\neq 3 then, f isn't one-to-one

3 0
3 years ago
84=12×7 as multiplicative comparison
baherus [9]
7x12=84 that is a another answer
3 0
3 years ago
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