3 years ago

I need help on this.

Mathematics

2 answers:

matrenka [14]3 years ago

7 0

Answer:

f = 1

Step-by-step explanation:

Cross multiply.

f (20) = 5 (f + 3)

20f = 5 (f+3)

20f = 5 (f ) + 5 (3)

20f = 5f + 15

-5f - 5f

15f = 15

15f/15 = 15/15

f = 15/15

f = 1

victus00 [196]3 years ago

4 0

Answer:

.75

Step-by-step explanation:

Not sure

You might be interested in

You want to buy a camera. The retail price is $75. The camera is on sale for 15% off . What is the sale price of the camera?

ludmilkaskok [199]

Answer:

$63.75

Step-by-step explanation:

15% off

Get percentage of retail price

1-0.15 = .85

0.85 = 85%

The sale price is 85% of the retail price

Multiply

0.85 * 75

$63.75

7 0

1 year ago

Find the area of the pentagon

Korvikt [17]

Answer:

A=1

45(5+25)a2

Step-by-step explanation:

8 0

3 years ago

Guys help me out on this one plizzz

evablogger [386]

The term that you want is 5C2*p^2*q^3 representing 2 successes and 3 failures. This term's value is

(5C2)(0.5^5) = 10*0.03125 = 0.3125 = P(2 successes in 5 trials) =31.3%

5 0

3 years ago

Solve the equation 6x + 2x - 5= 19 x=? Simplify your answer

SSSSS [86.1K]

Answer:

x = 3

Step-by-step explanation:

6x + 2x - 5= 19

8X -5 = 19

8x = 24

x = 3

7 0

3 years ago

Multiply the following (-7pq^2r^3) * (-13p^3q^2r)

artcher [175]

Answer:

$91p^{1+3q^{2r}}q^{2r^3}$

Step-by-step explanation:

$(-7pq^2r^3) * (-13p^3q^2r)$

= 91 $p^{1+3q^{2r} }$ * $q^{2r^{3} }$

= $91p^{1+3q^{2r}}q^{2r^3}$

7 0

2 years ago