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
Lyrx [107]
3 years ago
6

What's one way to check the answer to 5×6=30? a.30÷6=5 b.30×6=5 c.30×5=6 d.5÷6=30

Mathematics
2 answers:
Norma-Jean [14]3 years ago
7 0

Answer:

Option a -30÷6=5

Step-by-step explanation:

Given : Expression  5×6=30

Now , we check one by one which one gives the same result or a one way to answer the expression

a. 30÷6=5 is the one way because

5×6=30

⇒5=30÷6 which is true

b. 30×6=5 is not the correct expression because 30×6=180 not 5

c. 30×5=6 is not the correct expression because 30×5=150 not 6

d. 5÷6=30 is not the correct expression because 5÷6=0.833 not 30

Therefore, one way to check the answer is option a

VikaD [51]3 years ago
3 0
Solve is in the picture

Good luck :)

You might be interested in
In the triangle below, what is the length of the side opposite the 30 degree angle?
Vitek1552 [10]

Answer:

A. 3/2

Step-by-step explanation:

To find the lenght of the side opposing the 30° angle, you need to use trigonometry, since it's a right-angled triangle. You have your 30° angle and you have the side beside : therefore, you can use the sine :

sin(30) x 3 = ?

0,5 x 3 = ?

1,5 = ?

1,5 = 3/2

5 0
3 years ago
What is the first 10 didgets of pie
jeka94

Answer:

3.1415926535 8979323846

Step-by-step explanation:

4 0
3 years ago
The tallest escalator on the London Underground system is at Angel Station. It rises to a height of 90 feet over a horizontal di
Amanda [17]
0.222 is your answer 
5 0
3 years ago
Solve irrational equation pls
rusak2 [61]
\hbox{Domain:}\\
x^2+x-2\geq0 \wedge x^2-4x+3\geq0 \wedge x^2-1\geq0\\
x^2-x+2x-2\geq0 \wedge x^2-x-3x+3\geq0 \wedge x^2\geq1\\
x(x-1)+2(x-1)\geq 0 \wedge x(x-1)-3(x-1)\geq0 \wedge (x\geq 1 \vee x\leq-1)\\
(x+2)(x-1)\geq0 \wedge (x-3)(x-1)\geq0\wedge x\in(-\infty,-1\rangle\cup\langle1,\infty)\\
x\in(-\infty,-2\rangle\cup\langle1,\infty) \wedge x\in(-\infty,1\rangle \cup\langle3,\infty) \wedge x\in(-\infty,-1\rangle\cup\langle1,\infty)\\
x\in(-\infty,-2\rangle\cup\langle3,\infty)



\sqrt{x^2+x-2}+\sqrt{x^2-4x+3}=\sqrt{x^2-1}\\
x^2-1=x^2+x-2+2\sqrt{(x^2+x-2)(x^2-4x+3)}+x^2-4x+3\\
2\sqrt{(x^2+x-2)(x^2-4x+3)}=-x^2+3x-2\\
\sqrt{(x^2+x-2)(x^2-4x+3)}=\dfrac{-x^2+3x-2}{2}\\
(x^2+x-2)(x^2-4x+3)=\left(\dfrac{-x^2+3x-2}{2}\right)^2\\
(x+2)(x-1)(x-3)(x-1)=\left(\dfrac{-x^2+x+2x-2}{2}\right)^2\\
(x+2)(x-3)(x-1)^2=\left(\dfrac{-x(x-1)+2(x-1)}{2}\right)^2\\
(x+2)(x-3)(x-1)^2=\left(\dfrac{-(x-2)(x-1)}{2}\right)^2\\
(x+2)(x-3)(x-1)^2=\dfrac{(x-2)^2(x-1)^2}{4}\\
4(x+2)(x-3)(x-1)^2=(x-2)^2(x-1)^2\\

4(x+2)(x-3)(x-1)^2-(x-2)^2(x-1)^2=0\\
(x-1)^2(4(x+2)(x-3)-(x-2)^2)=0\\
(x-1)^2(4(x^2-3x+2x-6)-(x^2-4x+4))=0\\
(x-1)^2(4x^2-4x-24-x^2+4x-4)=0\\
(x-1)^2(3x^2-28)=0\\
x-1=0 \vee 3x^2-28=0\\
x=1 \vee 3x^2=28\\
x=1 \vee x^2=\dfrac{28}{3}\\
x=1 \vee x=\sqrt{\dfrac{28}{3}} \vee x=-\sqrt{\dfrac{28}{3}}\\

There's one more condition I forgot about
-(x-2)(x-1)\geq0\\
x\in\langle1,2\rangle\\

Finally
x\in(-\infty,-2\rangle\cup\langle3,\infty) \wedge x\in\langle1,2\rangle \wedge x=\{1,\sqrt{\dfrac{28}{3}}, -\sqrt{\dfrac{28}{3}}\}\\
\boxed{\boxed{x=1}}
3 0
3 years ago
AB is a diameter of a circle, center O. C is a point on the circumference of the circle, such that
Solnce55 [7]

Given:

AB is the diameter of a circle.

m∠CAB = 26°

To find:

The measure of m∠CBA.

Solution:

Angle formed in the diameter of a circle is always 90°.

⇒ m∠ACB = 90°

In triangle ACB,

Sum of the angles in the triangle = 180°

m∠CAB + m∠ACB + m∠CBA = 180°

26° + 90° + m∠CBA = 180°

116° + m∠CBA = 180°

Subtract 116° from both sides.

116° + m∠CBA - 116° = 180° - 116°

m∠CBA = 64°

The measure of m∠CBA is 64°.

7 0
3 years ago
Other questions:
  • Is 36 a perfect square or not?
    14·2 answers
  • Calculate the difference between the 1990-1997 average blue crab population and the 1998-2009 average blue crab population predi
    8·1 answer
  • Hi ther i need help can u help me
    9·1 answer
  • How do u write three different ways to decompose 9/10 into a sum
    15·1 answer
  • How do you solve 2p+5r=q for p?
    13·1 answer
  • The Volume of this triangular pyramid is 11140 cubic meters what is the value of u? Please help!!!
    8·1 answer
  • If x= -4 and y=-8, which expression would have a negative value?
    6·2 answers
  • Help will give 40 brainlest
    10·1 answer
  • How do i solve this? will give brainliest
    9·1 answer
  • Help this is due today-
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!