Lexie started her homework at 4:30 pm. She finished at 5:05 pm. How many seconds did it take her.

Answers

Answer 1

Answer: 45 minutes total, 60 sec in one min. 45*60= 2,700. It took her 2,700 seconds to finish her homework.

Hope this helps!

Answer 2

Answer: 2100 seconds 35*60=2100

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I wants to know please the questión 3

Answers

Now, usually about 1 ruler is the length of a piece of paper. But this all depends on the paper. It'd be a safe bet to say 1.

What is the value of 56 tens

Answers

tens = 10
56 x 10 = 560

56 tens
=56+56+56+56+56+56+56+56+56+56

= 56 x 10

=560

Hera wants to find the volume of the rectangular prism shown below. Which equation could Hera use to find V, the volume of the rectangular prism? A. V = 11 · 14 · 3 B. V = 11 + 14 + 3 C. V = 2(11 · 14 + 14 · 3 + 11 · 3) D. V = (11 · 14 · 3) ÷ 2

Answers

If the rectangular prism gives you its width, length, and height, you just multiply those, so the volume is 11*14*3. If there's anything more complicated going on, I'll need to see the rectangular prism.

What is the value of the expression |x + y| + |z| when x = –6, y = 4, and z = –13? PLZZZ HELPP ME!!

Answers

|-6+ 4| + | -13|

|-2| + |-13|

2 + 13

15

Which are the like terms in 4x3 – 7x2 + x + x3?

Answers

the answer is: 4x³ and x³

Assuming the 3s in both 4x³ and x³ are exponents, those would be like terms.

4x³+x³= 5x³
-7x² = (leave it like that)
x= (leave it like that too lol)

5x³ -7x² +x

Solve with the quadratic formula
4×^2×+1=0

Answers

Answer:

Either x = + i/2 or x = i/2 is the solution for the given quadratic equation.

Step-by-step explanation:

Here, the given quadratic equation is: $4x^2 + 1 = 0$

Now, comparing the given equation with standard Quadratic Form, $ax^2 + bx + c = 0$

we get,a = 4, b =0 and c = 1

Now, the Quadratic Formula is given as:

$x = (-b \pm √(b^2 - 4ac) )/(2a)$

So, here the solution for the given expression is:

$x = (0 \pm √((0)^2 - 4(4)(1)) )/(2(4)) = x = (0 \pm √(-16) )/(8)\n\implies x = (0 \pm4i)/(8)\n\implies x = (0 + 4i)/(8) = (i)/(2) \nor, x = (0 - 4i)/(8) = (-i)/(2)$

Hence, either x = + i/2 or x = i/2 is the solution for the givenquadratic equation.

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