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3 years ago

6

Zane bought 2 packages of candy bars. He had fewer than 22 candy bars. Write an inequality to find b, the number of candy bars i

n each
package.

1 answer:

Alex73 [517]3 years ago

4 0

2x < 22 to solve

x < 11 because 2x/2 < 22/2 = x< 11

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Please help me with questions 7

Scrat [10]

Answer:

b

Step-by-step explanation:

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3 years ago

Matt and Kelly both purchased the same type mulch to be used in a garden. They both spent exactly $60 each on mulch. • Matt purc

hichkok12 [17]

Answer:

<em>B.) Kelly got the better deal.</em>

Step-by-step explanation:

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3 years ago

Morgarella [4.7K]

Answer:

A

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3 years ago

Solve the equation: k^2+5k+13=0

mr_godi [17]

Step-by-step explanation:

k² + 5k + 13 = 0

Using the quadratic formula which is

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac } }{2a} \\$

From the question

a = 1 , b = 5 , c = 13

So we have

$k = \frac{ - 5 \pm \sqrt{ {5}^{2} - 4(1)(13) } }{2(1)} \\ = \frac{ - 5 \pm \sqrt{25 - 52} }{2} \\ = \frac{ - 5 \pm \sqrt{ - 27} }{2} \: \: \: \: \: \: \\ = \frac{ - 5 \pm3 \sqrt{3} \: i}{2} \: \: \: \: \: \:$

<u>Separate the solutions</u>

$k_1 = \frac{ - 5 + 3 \sqrt{3} \: i }{2} \: \: \: \: or \\ k_2 = \frac{ - 5 - 3 \sqrt{3} \: i}{2}$

The equation has complex roots

<u>Separate the real and imaginary parts</u>

We have the final answer as

$k_1 = - \frac{5}{2} + \frac{3 \sqrt{3} }{2} \: i \: \: \: \: or \\ k_2 = - \frac{5}{2} - \frac{3 \sqrt{3} }{2} \: i$

Hope this helps you

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2 years ago

What is the slope of the line that contains the points (9,-4) and (1,-5)?

Lyrx [107]

Answer:

Step-by-step explanation:

hello .....

note : the slope of the line (AB) is :

m = (YB -YA)/(XB - XA)

given : A(9,-4) and B (1,-5)

m= ((-5)-(-4))/(1-9)

m= 1/8

8 0

2 years ago