All categories

3 years ago

What is the value of k?

Mathematics

1 answer:

STatiana [176]3 years ago

4 0

Answer:k=42

Step-by-step explanation:

(5k−3)(9+k)

=(5k+−3)(9+k)

=(5k)(9)+(5k)(k)+(−3)(9)+(−3)(k)

=45k+5k2−27−3k

=5z2+42z−27

=42k

You might be interested in

The Hernandez family has six

Charra [1.4K]

Answer:10%

Step-by-step explanation:

4 0

3 years ago

Write the mixed number as a percent <br><br> 2 41/50

ehidna [41]

Answer:

∴ 2 $\frac{41}{50}$ = 282 %

Step-by-step explanation:

2 $\frac{41}{50}$

= [( 2 × 50) + 41] ÷ 50

= ( 100 + 41) ÷ 50

= $\frac{141}{50}$

=( $\frac{141 }{50}$ ) × $\frac{2}{2}$

= $\frac{282}{100}$

= 282 %

∴ 2 $\frac{41}{50}$ = 282 %

7 0

3 years ago

Read 2 more answers

??help what is DEB?

sergij07 [2.7K]

Answer:

85°

Step-by-step explanation:

AED and DEB would add up to 180, the same goes for AEC and CEB

6 0

3 years ago

Pls, help im very confused thanks!

puteri [66]

Answer:

D part

Step-by-step explanation:

3x + 80⁰ + 2x = 180⁰ (By Linear Pair)

5x + 80⁰ = 180⁰

5x = 100⁰

x = 20⁰

Hope it helps :)

4 0

2 years ago

Read 2 more answers

How many inches tall is a 7 foot basketball player?

Eddi Din [679]

Answer: 84

Step-by-step explanation: 7 Times 12 because each foot is 12 inches

6 0

3 years ago

Read 2 more answers