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Ilia_Sergeevich [38]
3 years ago
13

Can someone help me, please and thank you? I'll give BRAINLEST to the person who gets it right!!!

Mathematics
2 answers:
Elis [28]3 years ago
6 0

Answer:

x=-4

Step-by-step explanation:

8=2x+16

Switch Sides

2x+16=8

Subtract 16 from both sides

2x+16-16=8-16

Simplify

2x=-8

Divide both sides by 2

2x/2 = -8/2

x = - 4

dmitriy555 [2]3 years ago
5 0

Answer:

x = - 4

8 = 2x + 16

2x = - 8

x = - 4

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Which of the following represents a "rule of thumb" for how much
sergeinik [125]

Answer:

Rule of thumb is;

Your cumulative total student loans taken as at the time you are graduating should be less than your proposed annual starting salary.

Step-by-step explanation:

When calculating the loan a college student can afford, a rule of thumb comes in very handy which is that:

Your cumulative total student loans taken as at the time you are graduating should be less than your proposed annual starting salary.

This is because If your total student loan debt is less than your proposed annual income, it means all things being equal, you would be able to pay back the loan in about 10 years or less. However, if the loan debt exceeds your proposed income, it means you are likely to going to struggle and find it very difficult to repay your loan.

4 0
3 years ago
HURRY, THIS IS TIMED!!!
otez555 [7]

Answer:

Step-by-step explanation:

1. not equivalent

2. not equivalent

3. fully simplified

4.not fully simplified

5. not fully simplified

6. not fully simplified

3 0
3 years ago
Two cars, car X and car Y , start moving from the same point P on a cross intersection. Car X is travelling east and car Y is tr
agasfer [191]
Let the distance traveled by car X be x km 
<span>let the distance traveled by car Y by y km </span>
<span>their paths form a right-angled triangle. </span>
<span>Let the distance between them be D km </span>
<span>D^2 = x^2 + y^2 </span>
<span>2D dD/dt = 2x dx/dt + 2y dy/dt </span>
<span>dD/dt = (x dx/dt + y dy/dt)/D </span>

<span>at the given case: </span>
<span>x = 60, y = 80 , dx/dt = 80, dy/dt = 100 </span>
<span>D^2 = 60^2 + 80^2 = 10000 </span>
<span>D = 100 </span>

<span>dD/dt = (60(80) + 80(100))/100 </span>
<span>= 128 </span>
5 0
3 years ago
Someone please help with parts a b c and d. I will mark brainlest!!!
maria [59]

Answer:

A. 49 feet

B. 66 feet (round to the nearest foot)

C. 4 seg

Step-by-step explanation:

A. What is the height of the ball after 3 seconds?

For t=3 seg

h(3)=-16(3)^{2} +63(3)+4

h(3)=-144+189+4\\h(3)=-144+193\\h(3)=49 feet

B. What is the maximum height of the ball? round to the nearest foot

h(t)=-16(t)^{2} +63(t)+4\\h'(t)=-32(t) +63\\

then

-32(t)+63=0\\t=\frac{-63}{-32}\\t=1.969seg

For t=1.969seg

h(1.969)=-16(1.969)^{2}+63(1.969)+4\\h(1.969)= 66.016\\h(1.969)=66 feet

C. When will the ball hit the ground?

The ball will hit the ground when h(t)=0

so, -16t^{2} +63(t)+4=0

Using the quadratic equation

t=4seg

6 0
3 years ago
Round yo The nearest ten 834,692.<br> Help me please!!
Genrish500 [490]
The answer should be 834, 690

hope this helps!
8 0
2 years ago
Read 2 more answers
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