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3 years ago

What is 1 3/5 as a mixed number

Mathematics

1 answer:

AleksandrR [38]3 years ago

5 0

Answer:

8/5

Step-by-step explanation:

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A coin is tossed 10 times, and lands on tails 70% of the time. Which statement is true?

devlian [24]

Answer: If Answer "B" is supposed to say, "The coin landed on tails 7 out of 10 times" then thats the answer.

Step-by-step explanation:

If the coin landed on tails 70% of the time, then the answer is B

8 0

3 years ago

4. A sports car accelerates from rest to a final velocity of 64 m/s at a rate of 12.3

Ivanshal [37]

Answer:

$t = 5.2\ s$

Step-by-step explanation:

Given

$a= 12.3m/s^2$ --- acceleration

$v = 64m/s$ --- final velocity

$u =0m/s$ --- initial velocity (it is 0, because the car starts from rest)

Required

Determine the time taken

This will be solved using Newton's first equation of motion:

$v = u + at$

Substitute values for v, u and a

$64 = 0 + 12.3*t$

$64 = 12.3t$

$12.3t = 64$

Make t the subject

$t = \frac{64}{12.3}$

$t = 5.2\ s$

Hence, the time taken is approximately 5.2 seconds

6 0

3 years ago

Y’all I’m so bored! Here’s some free points

artcher [175]

Answer:

thanks

Step-by-step explanation:

appreicate it !

hope you have a great day!

8 0

3 years ago

Read 2 more answers

If (a^2 + b^2) (x^2 +y^2) = (ax + by )^2 then which relation is true?

NikAS [45]

Answer:

Step-by-step explanation:

Hello,

Let's develop both expressions and try to re factorise.

$\forall (a,b,x,y) \in \mathbb{R}^4 \\ \\ (a^2+b^2)(x^2+y^2)=(ax+by)^2\\ \\(ax)^2+(ay)^2+(bx)^2+(by)^2=(ax)^2+(by)^2+2(ax)(by)\\ \\ (ay)^2+(bx)^2-2(ay)(bx)=0\\ \\ (ay-bx)^2=0\\ \\ ay-bx=0\\ \\ \boxed{\sf \bf ay=bx}$

Thanks

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3 years ago

Triangle ABC is formed by the vertices A(1,2,-1), B(-3,-6,2)and C(3,-2,0).

Vesnalui [34]

Answer:

Point D: $(0,-4, 1 )$

d = √41

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Pre-Calculus

Midpoint Formula [3D]: $(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}, \frac{z_1+z_2}{2} )$
Distance Formula [3D]: $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2}$