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Dafna11 [192]
3 years ago
5

Solve y(2y+1)+10=0 by using the Quadratic Formula.

Mathematics
1 answer:
Lorico [155]3 years ago
8 0

Answer:

y= -1+- i √79/4

Step-by-step explanation: Here is the answer ^^

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Write an equation for this trend line
jeka94

Answer:

y=-1/3x+8 i think

Step-by-step explanation:

3 0
3 years ago
∠A and \angle B∠B are supplementary angles. If m\angle A=(7x+10)^{\circ}∠A=(7x+10) ∘ and m\angle B=(7x-26)^{\circ}∠B=(7x−26) ∘ ,
blsea [12.9K]

Answer:

108 degrees

Step-by-step explanation:

Since angles A and B are supplementary, they both add up to 180. Angle A = 7x+10, and angle B = 7x-26. You can set up the equation A + B = 180, and then plug in angles A and B, which gives you 7x+10 + 7x-26 = 180. Then you just need to isolate x:

Combine like terms: 14x - 16 = 180

Add 16 to both sides: 14x = 196

Divide both sides by 14: x = 14

Now that you know x, you can plug it into the expression for angle A (7x+10):

A = 7(14) + 10 = 98+10 = 108

5 0
3 years ago
Need help with question 15
GarryVolchara [31]

Answer:

k=110

Step-by-step explanation:

Part 15) we know that

n=klog(A)

Solve for k

That means ----> isolate the variable k

k=n/log(A)

we have

n=440\ wolves

A=10,000\ mi^{2}

substitute

k=440/log(10,000)

k=110

4 0
3 years ago
Solve for w: -4u-w = u+6w
wlad13 [49]

Answer:

A

Step-by-step explanation:

-4u - w = u + 6w

-4u = u + 7w  (Add w to both sides)

-5u = 7w (Subtract u from both sides)

w = -\frac{5u}{7} (Divide both sides by 7)

8 0
3 years ago
Read 2 more answers
140 + (-122) + (-10), I also need it with work.
Aleks04 [339]

Answer:

8

Step-by-step explanation:

140-122=18

18-10=8

6 0
3 years ago
Read 2 more answers
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