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Leokris [45]
2 years ago
13

The sum of 4 times a number and 9 is equal to 8. Use the variable b for the unknown number.

Mathematics
2 answers:
Alexxandr [17]2 years ago
8 0
Answers
4b+9=8
This is the required statement
romanna [79]2 years ago
7 0

Let the number be b

ATQ,

The sum of 4 times a number and 9 is equal to 8.

  • Sum means addition
  • Times means multiplication

\boxed{ \tt \: 4b + 9 = 8}

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5 0
3 years ago
Pleas help me please and than you! (6th grade math)
klasskru [66]

Answer:

wow u call that 6th grade

Step-by-step explanation:

I am in 8th grade and dont get this at all.

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6 0
3 years ago
What are the original dimensions of the square piece of paper?
Inga [223]

Answer:

6root2 × 6root2

you have to use pythagoras

a²+b²=c²

c=12

12²=144

a²+b²=144

but it is a square so I'll just change a and b to x because it shows they are equal

x²+x²=144

2x²=144

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4 0
3 years ago
QUESTION 3
miv72 [106K]

Answer:

.

Step-by-step explanation:

7 0
3 years ago
5. x2 +5x-4<br> Discriminate
ikadub [295]

Answer:

<em>D = 41</em>

Step-by-step explanation:

y = ax² + bx + c

The discriminant D = b² - 4ac tells the types of roots the equation has.

If D < 0 , then quadratic equation has no real roots, has two imaginary roots.

If D = 0 , then quadratic equation has one real root.

If D > 0 , then quadratic equation has two distinct real roots.

~~~~~~~~~~~~

x² + 5x - 4

a = 1, b = 5, c = - 4

<em>D </em>= 5² - 4(1)(- 4) = 25 + 16 =<em> 41</em>

6 0
3 years ago
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