2 years ago

20. Please help I really need it

Mathematics

1 answer:

sertanlavr [38]2 years ago

5 0

Step-by-step explanation:

d if not d a.................

You might be interested in

Which of the following is a square root of 3 (cosine (StartFraction 4 pi Over 9 EndFraction) + I sine (StartFraction 4 pi Over 9

kiruha [24]

Answer:

Step-by-step explanation:

edge

3 0

1 year ago

Susan wants to buy cherries for a party. She has $8.00 to spend. Cherries are $2.75/kg. How many kilograms of cherries can Susan

OLga [1]

Answer:you would have to divide $8.00/$2.75 and it would equal $2.90

Step-by-step explanation:This may help and if it does please thank me in the comments.

3 0

2 years ago

Find the value of k by<br>quardractic equation two real and equal roots<br>5x - 2kx +20=0

kotegsom [21]

Answer:

k = +10 or -10

Step-by-step explanation:

It's given in the question that the roots of the eqn. are real and equal. So , the discriminant of the eqn. should be equal to 0.

$= > {b}^{2} - 4ac = 0$

$= > {( - 2k)}^{2} - 4 \times 5 \times 20 = 0$

$= > 4 {k}^{2} - 400 = 0$

$= > 4( {k}^{2} - 100) = 0$

$= > {k}^{2} - 100 = 0$

$= > k = \sqrt{100} = + 10 \: or \: - 10$

3 0

2 years ago

Read 2 more answers

Evaluate 23x-1 for x = 1. 1 4 7 8

lianna [129]

replace the value of x int eh equation

so 23x-1 becomes

23(1.1478)-1

23*1.1478 = 26.3994-1 = 25.3994

5 0

2 years ago

Read 2 more answers

A fair spinner has 9 equal sections: 2 red, 3 blue and 4 green.

Alex17521 [72]

Answer:

The Probability of not getting two consecutive reds is 0.9506

Step-by-step explanation:

Number of sections = 9

Number of red sections = 2

Number of blue sections = 3

Number of green sections = 4

Probability of getting two consecutive reds = $\frac{2}{9} \times \frac{2}{9}=\frac{4}{81}$

So,The Probability of not getting two consecutive reds = $1- \frac{4}{81}=\frac{77}{81}=0.9506$

Hence The Probability of not getting two consecutive reds is 0.9506

3 0

2 years ago

20. Please help I really need it​

20. Please help I really need it