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Anettt [7]
3 years ago
8

PLZZZ HELP ASAP completly clueless

Mathematics
1 answer:
Ede4ka [16]3 years ago
7 0

Answer:

c

Step-by-step explanation:

quadratic formula:  -b±√b²-4ac/ 2a

a= -10

b= 12

c= -9

-12±√144- 4(-10)(-9)/ 2(-10)

-12±√144- 360/ -20

-12±√-216/-20

6±3i√6/ 10

simplify: 3/5± 3i√6/10

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What is the tires weight in pounds?
poizon [28]
Hey!


To solve this problem we must begin by writing out an equation.

Here's the equation I've created.

<em>520 ÷ </em><span><em>453.592 = ?</em>

Now we solve our created equation to get the answer.

<em>520 </em></span><em>÷ 453.592 = 1.1464046985</em>

That could be our final answer but sometimes you might want to round.

<em>So, the tires weight in pounds is</em>  1.1464046985  <em>or</em>  1.15.

Hope this helps!


- Lindsey Frazier ♥
5 0
3 years ago
10.
marusya05 [52]

Answer:

<em>The slope of the line</em> 3.

Step-by-step explanation:

The line is going through 3.  Although<em> it is not -3,</em> because if the line is <em>sloping upward from left to right,</em> then the slope is <em>positive (+)</em>. If the line is <em>sloping downward from left to right,</em> the slope is <em>negative (-).</em>

5 0
3 years ago
Read 2 more answers
-3j - (-4) over -6 = 12 j= ? ​
babymother [125]

Answer:

j =76/3

Step-by-step explanation:

-3j -  -4

------------------ = 12

-6

Multiply each side by -6 to clear the fraction

-3j +4

------------------ * -6 = 12 *-6

-6

-3j +4 = -72

Subtract 4 from each side

-3j +4-4 = -72 -4

-3j = -76

Divide each side by -3

-3j/-3 = -76/-3

j = 76/3

5 0
4 years ago
Please help me!! You don’t need a number just an expression to find the variable
Mumz [18]

Isolate the B. Note the equal sign. What you do to one side, you do to the other. Subtract C and A from both sides

B + A (-A) + C (-C) = D (-A) (-C)

B = D - A - C

B = D - A - C is your answer

hope this helps

3 0
3 years ago
Read 2 more answers
1. during first 10 seconds
Deffense [45]

Answer:

1. y=mx+b

(5 , 5) (10 , 10)

5m+b=5     10m+b=10

10m+b-5m-b=5

5m=5

m=1

5+b=5

b=0

So for 1---10s the slope is: y = x

2. y=mx+b

(10 , 10) (35 , 10)

10m+b=10     35m+b=10

35m+b-10m-b=0

25m=0

m=0

b=10

So for 10-----35s the slope is: y=10

3. y=mx+b

(35 , 10) (0 , 0)

35m+b=10     b=0

35m=10

m=2/7

So for 35----40s the slope is: y= 2/7 x

5 0
4 years ago
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