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
tangare [24]
2 years ago
11

Need the awnser for 8 and 9 please help

Mathematics
1 answer:
ch4aika [34]2 years ago
8 0

Answer:

12-5xy and 5r-7

Step-by-step explanation:

You might be interested in
Ujalakhan01! Please help me! ASAP ONLY UJALAKHAN01. What's (x-1)(x-1)?
Sauron [17]

Answer:

x^2-2x+1

Step-by-step explanation:

=> (x-1)(x-1)

<u><em>Using FOIL</em></u>

=> x^2-x-x+1

=> x^2-2x+1

3 0
3 years ago
Read 2 more answers
CAN SOMEONE HELP PLZ AND EXPLAIN BEC IF DONT DO GOOD I CANT GO TO MY DADS HOUSE THIS WEEK END
Galina-37 [17]
Hello!

6.
Since the area is that of a square, you know that all side lengths are the same. 

Area is base times height (A = bh), but since base and height are the same for a square, you get the formula A = a².

A = a^{2}
144 = a^{2}
\sqrt{144} = a
12 = a

The length of the side of a square with an area of 144 in² is 12 in.

7.
Rational number.

8.
This is a right triangle; use the Pythagorean Theorem to find missing lengths of right triangles. Pythagorean Theorem: a² + b² = c², where c is the hypotenuse of the triangle.

Plug in your leg lengths:

a² + b² = c²
8² + x² = 21²
64 + x² = 441
x² = 377
x = 19.4
7 0
3 years ago
Ayo helppp ill give u anthing
kicyunya [14]

Answer:

16.9 m

Step-by-step explanation:

Start with a half a circle. The central angle of a semicircle is 180 deg.

Now subtract 21 deg on each side.

180 - 21 - 21 = 138

The central angle is 138 deg.

The radius is 7 m.

Now we use the formula for the length of an arc of a circle given the radius of the circle and the central angle of the arc.

s = \dfrac{n}{360^\circ}2 \pi r

s = \dfrac{138^\circ}{360^\circ}2(3.14159)(7~m)

s = 16.9~m

4 0
3 years ago
A bag contains tiles. 3 tiles of red, 6 tiles of green, 3 tiles are blue. A tile will be randomly selected from the bag. What is
ruslelena [56]

Answer:

The probability is 0.5 tiles will be green

Step-by-step explanation:

Hope this helps

7 0
3 years ago
I need help figuring which of the answers are it I need to pick 3 please help
Firdavs [7]
A , b & c ?
lmk if i’m wrong tho
7 0
3 years ago
Other questions:
  • 3x4 – 2x3 – 15x2<br> x + 2
    13·2 answers
  • The price of an online Maths website subscription is increased by 24% and now is £300.08.
    8·2 answers
  • Page's front door measures 84 inches by 54 inches. What is the area of the door? (ONLY IF YOU KNOW)
    6·1 answer
  • To construct a confidence interval using the given confidence​ level, do whichever of the following is appropriate.​ (a) Find th
    8·1 answer
  • Michael picks three different digits from the set { } 12345 ,,,, and forms a mixed number by placing the digits in the spaces of
    10·1 answer
  • Last time i asked, the person who answered got it wrong so i’m asking again plz
    11·1 answer
  • How do I work this out
    11·1 answer
  • Solve the equation for y <br> 1/2y - 21/4 = -35/4
    10·1 answer
  • AA I NEED HELP FAST PLEASE <br> 4(p – 6)
    12·1 answer
  • One number is two times greater than another number. if the greater number is x what is the other number?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!