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Aliun [14]
3 years ago
5

Help pleaseeee???!!!

Mathematics
1 answer:
jolli1 [7]3 years ago
8 0

Answer:

h=8

Step-by-step explanation:\frac{-7}{8} h= -7\\\\(\frac{8}{-7} )(\frac{-7}{8} h)= -7 (\frac{8}{-7} )\\\\\frac{-56}{-56}h = \frac{56}{7}\\\\ h=\frac{56}{7}\\\\h=8

the goal is to isolate the variable, get it all by itself. to do that in this problem, we have to move the -7/8 away from the h. we do this by multiplying by the reciprocal (the opposite of the fraction). The reciprocal of -7/8 is 8/-7. So multiply both sides by this and you will get h=8

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Long division 47 divided by 4
Dimas [21]

Answer:

11.75

Step-by-step explanation:

47 ÷ 4 = 11.75

4 ÷ 4 = 1

7 ÷ 4 = 1.75

=11.75

7 0
3 years ago
Read 2 more answers
-16t^2+20t+65 Quadratic Formula
Shalnov [3]

The value of T is

\frac{-5+\sqrt{285} }{8} OR \frac{-5-\sqrt{285} }{8}

Step-by-step explanation:

Assumption: find the values of t

1. Equation is -16t^{2}+20t+65

2. Identify values of a, b and c

  • a = -16
  • b = 20
  • c = 65

3. Write the quadratic formula

t = \frac{-b±\sqrt{b^{2}-4ac } }{2a}

4. Substitute the values of a, b and c in the formula

t = \frac{-b±\sqrt{b^{2}-4ac } }{2a}

t = \frac{-20±\sqrt{20^{2}-4(-16)(65) } }{2(-16}

5. Solve to find the possible values of t

t = \frac{-20±\sqrt{20^{2}-4(-16)(65) } }{2(-16}

  • \frac{-5+\sqrt{285} }{8} OR
  • \frac{-5-\sqrt{285} }{8}

Keywords: Quadratic

Learn more about quadratic at

  • brainly.com/question/4460262
  • brainly.com/question/1357167

#LearnwithBrainly

7 0
3 years ago
Read 2 more answers
What is the value of w?
kotegsom [21]
R u in connections?.........
4 0
3 years ago
What is the unit price of 12 gallons of gasoline that costs $39.48?
Shkiper50 [21]

Answer:

$39.48 per gallon yea the one u have clicked is right

Step-by-step explanation:

3 0
3 years ago
Enrique left the study group traveling 20 mph. Then, 2 hours later, Tevin left traveling the same direction at 28 mph. How long
nadya68 [22]

Answer:

After 7 hours Tevin will catch Enrique

Step-by-step explanation:

We have given speed of Enrique is 20 mph

Tevin left traveling after 2 hours of Enrique

Speed of Tevin  is 28 mph

When Tevin catches  Enrique will cover same distance

Let  Enrique is traveling for t hours

Then Tevin will travel for t-2 hours

We know that distance = speed × time

So 20\times t=28\times (t-2)

20t=28t-56

8t=56

t = 7 hours

So after 7 hours Tevin will catch Enrique

4 0
4 years ago
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