3 years ago

I need help with this

Mathematics

1 answer:

Kobotan [32]3 years ago

5 0

The answers are in the picture. Good luck

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The area of a rectangle is 20 square inches. If the length is 4 inches less than 6 times the width, then find the dimensions of

Tpy6a [65]

Step-by-step explanation:

Let the width=x

Length =6x-4

As we know that in a rectangle

${\boxed{\sf Area=LB}}$

Substitute the values

$\hookrightarrow\sf x (6x-4)=20$

$\hookrightarrow\sf 6x^2-4x=20$

$\hookrightarrow\sf 6x^2-4x-20=0$

Here a=6, b=-4, c=-20.
use quadratic formula

$\hookrightarrow\sf x=\dfrac {1}{3}+\dfrac {1}{3}\sqrt {31} \quad or \quad \dfrac {1}{3}+\dfrac {-1}{3}\sqrt {31}$

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3 years ago

A movie was shown 6 times every day from November 24 through December 19. How

butalik [34]

Answer: A. 138 times

How?
During that time period there were 23 days so 23 multiplied by the amount of times played per day (6)
You get the answer 138

6 0

3 years ago

Read 2 more answers

Top Cat Car wash buys liquid soap in 5 gallon buckets. How many liters in one 5 gallon bucket?

Mandarinka [93]

Answer:

Answer would be C.

1 Gallon=3.78

3.78x5

= 18.9

Step-by-step explanation:

5 0

3 years ago

Johanna receives a report that says her typing speed is 65 words per minute. She knows that she made 4 errors in the 5-minutes t

oksian1 [2.3K]

How many words did she type in 5 minutes ?

65x5 - 4 = 325 - 4 = 321 words

7 0

3 years ago

Find the equation of the linear function represented by the table below in slope-intercept form.

Degger [83]

Answer:

$y=10x-6$

Step-by-step explanation:

step 1

Find the slope

we have

(0,-6) and (1,4)

The slope is equal to

$m=(4+6)/(1-0)=10$

step 2

Find the equation of the line in slope intercept form

The equation of the line in slope intercept form is

$y=mx+b$

we have

$m=10$

$b=-6$ -----> y-intercept (given value in the table)

substitute

$y=10x-6$

4 0

3 years ago