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
antoniya [11.8K]
2 years ago
5

Pretty easy middle school math

Mathematics
1 answer:
mrs_skeptik [129]2 years ago
4 0

Answer:

3

Step-by-step explanation:

If we use pythagoras theorem we know a^2+b^2=c^2

c being the hypoeneuse

so we half the 8 to get the dimensions of the right angle so the bottom side is 4cm and then we use the hypotenuese which is 5 and plug it in so

a^2+4^2=5^2

a^2+16=25

-16 from both sides

a^2=9

square root both sides

a=3

You might be interested in
A walkway surrounds a rectangular garden. The width of the garden is 3 meters, and the length
rusak2 [61]

Answer:

You are given the width of the garden which is w= 8 feet

length of the garden which l= 6 feet

the width of the walkway is x

so for every side of the garden there is an x

so length overall would be 8+2x (length of garden + x one side + x other side)

and width overall would be 6 + 2x (width of garden + x of one side + x of other side)

area of rectangle is length*width

so the expression would be (8+2x)*(6+2x)

:))) smile....

I hope it is correct.

Step-by-step explanation:

5 0
2 years ago
Six groups sell a 162 balloons at the carnival. There are 3 students in each group. If each student sells the same number of bal
____ [38]

Answer:each student will sell 9 balloons.

Step-by-step explanation:

The total number of balloons sold by the six groups at the carnival is 162. There are 3 students in each group. This means that the total number of students in the six groups would be 6 × 3 = 18 students.

If each student sells the same number of balloons, then it means that the number of balloons that each student sells will be

162/18 = 9

3 0
3 years ago
Whats the answer? -4(x-2)-5(y+2)+(-3)(8-6b)
SpyIntel [72]
<span>-4(x-2)-5(y+2)+(-3)(8-6b)
= -4x + 8 - 5y - 10 - 24 + 18b
= -4x -5y + 18b - 26

hope it helps</span>
6 0
3 years ago
The ratio of boys to girls in a classroom is 4 : 5. What is the meaning of this ratio? ​
vitfil [10]

Answer:

there are 4 boys for every 5 girls.

Step-by-step explanation:

6 0
2 years ago
-2x^2 + 4x + 16 in vertex form​
Reil [10]

Answer:

y = - 2(x - 1)² + 18

Step-by-step explanation:

- 2x² + 4x + 16 ← factor out - 2 from the first 2 terms

= - 2(x² - 2x) + 16

using the method of completing the square

add/subtract ( half the coefficient of the x- term)² to x² - 2x

= - 2(x² + 2(- 1)x + 1 - 1) + 16

= - 2(x - 1)² + 2 + 16

= - 2(x - 1)² + 18 ← in vertex form

6 0
2 years ago
Other questions:
  • The area of the triangle below is __ sq units.<br> A.80<br> B.21<br> C.42<br> D.40
    8·2 answers
  • Help me fast please!! Ill give 5 stars!
    11·2 answers
  • What is the whole number for 5/12
    9·2 answers
  • jamaica class spent 1 3\4 hours in science class. They studied insects for 2\3 of the time. How much time did they spend studyin
    12·2 answers
  • Can you help me solve systems of equations by elimination step by step<br> 6x+y=15<br> -7x-2y=-10
    12·1 answer
  • If 4/3 * 3/4 = 5k, then k =
    5·1 answer
  • What are the possible degrees for the polynomial function?
    13·1 answer
  • Interior angle is (12x+12)°.
    13·2 answers
  • Will anyone help me my brain cells are lazy right now
    8·2 answers
  • A 50-gal tank initially contains 10 gal of fresh water. At t = 0, a brine solution
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!