1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
wolverine [178]
4 years ago
5

Select the correct answer.

Mathematics
2 answers:
Svetlanka [38]4 years ago
3 0

Answer:

<h3>\boxed{ \boxed{ \bold{ {x}^{2}  + 4x - 21}}}</h3>

Step-by-step explanation:

\sf{(x - 3)(x + 7)}

Use the distributive property to multiply each term of the first binomial by each term of the second binomial.

⇒\sf{x(x  + 7) - 3(x + 7)}

⇒\sf{ {x}^{2}  + 7x - 3x  - 21}

Collect like terms

⇒\sf{ {x}^{2}  + 4x - 21}

Hope I helped!

Best regards!!

LUCKY_DIMON [66]4 years ago
3 0

Answer:

\boxed{\boxed{\boxed{\red{{x}^{2}  + 4x - 21}}}}

Step-by-step explanation:

(x - 3)(x + 7) \\ x(x + 7) - 3(x + 7) \\  {x}^{2}  + 7x - 3x - 21 \\  {x}^{2}  + 4x - 21

You might be interested in
A recipe for salsa uses 65% of tomatoes.if a batch contains 5.2 cups of tomatoes,how large is the batch of salsa
Harlamova29_29 [7]
The recipe would be for 8 cups. Since 5.2 /.65=8
5 0
3 years ago
Read 2 more answers
A hollow metallic cylinder is made from a metallic sheet of 2.4 cm thickness. The inner
butalik [34]

Answer:

The volume of the metal used is 5277.9 cm³.

Step-by-step explanation:

The volume of a cylinder is given by:

V = \pi r^{2} h

Where:

r: is the radius

h: is the height = 50 cm

The volume of metal (V_{m}) can be found by subtracting the internal volume (V_{i}) from the external volume (V_{e}):

V_{m} = V_{e} - V_{i}

V_{m} = \pi r_{e}^{2} h - \pi r_{i}^{2} h    

The external radius is given by the sum of the internal radius with the tickness:

r_{e} = t + r_{i}

Hence, the volume is:

V_{m} = \pi*50 cm((2.4 cm + 5.8 cm)^{2} - (5.8 cm)^{2}) = 5277.9 cm^{3}

           

Therefore, the volume of the metal used is 5277.9 cm³.

I hope it helps you!                                                      

4 0
3 years ago
PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE HELP ME WITH ABC
natka813 [3]

Answer:

The answer would be 1/4 I hope this helps

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Clay puts $50 on his bus pass. Every time he rides the bus, $3.00 is deducted from his pass. How much money is left on his pass
daser333 [38]

Answer:

23$ is left on his pass

Step-by-step explanation:

9x3=27 50-27=23

6 0
3 years ago
What is the simplified geometric mean of 2 and 10​
Sindrei [870]

Answer:

5

Step-by-step explanation:

i dont really get this but i hope it helps ;)

5 0
4 years ago
Other questions:
  • What is the general form of the equation of the line shown?
    10·2 answers
  • Which property is illustrated by equation ax + ay = a(x'+ y) ?
    11·1 answer
  • What is 900,710,003 in expanded form
    13·2 answers
  • A cell phone company charges $4 per GB beyond 20GB in a month. The monthly plan is $59.99, and the bill for January is $75.99. H
    11·2 answers
  • Write the inequality represented by the graph
    15·1 answer
  • How do I solve 3 2/3 / 4 7/10
    5·1 answer
  • If give 7 billions for 7 millions people. What is total?
    7·1 answer
  • A house was bought for $450 000 and 3 years later was valued at $540 000. Find: a. The new value as a percentage of the old valu
    9·1 answer
  • Simplify the expression. <br><br> (r9/r3)4
    6·2 answers
  • What is the missing number?<br><br><br> × 4 = 8
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!