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BlackZzzverrR [31]
3 years ago
14

If a+b = -0.5 and ab = -2 , then what is 4a^3+9b?

Mathematics
1 answer:
m_a_m_a [10]3 years ago
5 0

Answer:

pls be more cleare

Step-by-step explanation:

type the question properly and clearly

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If 4x-3<32, Which of the following are solutions: 26/3, 9.1, 20, or -6?
ValentinkaMS [17]
The answer is :
4x - 3 < 32 \\ 4 x < 32 + 3 \\ 4 x < 35 \\ x <  \frac{35}{4}  \\
x < 8.75
and the only number among the choices that is less than 8.75 is -6
hope it's true
6 0
3 years ago
the sum of the first 6 terms of a geometric series is 15624 and the common ratio is 5. what is the first term of the series?
9966 [12]

Answer:

first term a=4

Step-by-step explanation:

Sum of the first 6 terms S6 = 15624

common ratio r= 5

n= 6

first term a=?

Formula: S6= a(r^n-1)/r-1

15624 = a( 5^6-1)/5-1

15624 = a(15625-1)/4

15624= a( 15624)÷4

15624= 15624a÷4

Cross multiply

15624×4 = 15624a

62496 = 15624a

divide both sides by 15624

62496÷15624 = 15624a÷15624

4 = a

a= 4

7 0
3 years ago
What is the volume of the cylinder below?
MrRissso [65]
I think it would be 175
4 0
3 years ago
Debra travels a distance of 2 miles in 1 minute how much distance can she cover in 25 minutes
Marta_Voda [28]

Debra will travel 50 miles in 25 minutes

Step-by-step explanation:

Given

distance = 2 miles

Time = 1 minute

Other time = 25 minutes

We can use the proportions to find the number of miles debra will travel in 25 minutes

So,

Distance:Time::Distance:Time\\2:1::Distance:25\\\frac{2}{1} = \frac{Distance}{25}\\Distance = 25 *2\\= 50\ miles

Hence,

Debra will travel 50 miles in 25 minutes

Keywords: Proportion, rate

Learn more about proportion at:

  • brainly.com/question/4528757
  • brainly.com/question/4480478

#LearnwithBrainly

8 0
3 years ago
Which descriptions from the list below accurately describe the relationship
slava [35]

Congruent and similar because they have the same measurements.

3 0
3 years ago
Read 2 more answers
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