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ohaa [14]
3 years ago
13

Help help help help help

Mathematics
2 answers:
ryzh [129]3 years ago
7 0
The last one................
Vladimir [108]3 years ago
4 0

Answer:

D.

Step-by-step explanation:

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Common denominator for 9/15 and 4/9
inna [77]

Answer:

45 and 36

Step-by-step explanation:


5 0
4 years ago
Read 2 more answers
Write each as the sum of two terms in the form t_n,r. t_5,3 , t_11,2 , t_15,13
Anarel [89]

The sum of two terms are:

  • t₅, ₃ = 8
  • t₁₁, ₂ = 13
  • t₁₅,₁₃ = 28.

<h3>What is the sum about?</h3>

The sum of two numbers is one that tells you to find the sum of two or more numbers, and as such, you have to add the numbers altogether.

t₅, ₃ =  5 + 3

= 8

t₁₁, ₂ = 11 + 2

= 13

t₁₅,₁₃ =  15 + 13

= 28.

Hence the correct sum of two terms are:

  • t₅, ₃ = 8
  • t₁₁, ₂ = 13
  • t₁₅,₁₃ = 28.

Learn more about sum from

brainly.com/question/17695139

#SPJ1

4 0
2 years ago
1,615 ÷ 42 <br><br> Yea a divson prob its easy right I'm just timed two this is 1 minite so plz help
Ghella [55]

Answer:

38\frac{19}{42}  

I hope this helps!

4 0
3 years ago
Read 2 more answers
A 12 foot ladder is leaning against a building. If the bottom of the ladder is sliding along the pavement directly away from the
ira [324]

Using Pythagoras theorem, the top of the ladder moving down when the foot of the ladder is 3 feet from the wall is of -0.518 feet/sec.                      

Let distance from the wall to the foot of the ladder is 'x' feet and the height of the top of the ladder is 'y' feet.

Pythagoras theorem, x^{2} + y^{2} = (12)^{2}       --->(1)

Given,\frac{dx}{dt}= 2feet/second   at x=3

Put x=3 in Pythagoras theorem equation (1)

(3)^{2} + y^{2} = 144

         y^{2} = 144 - 9

        y^{2}  =  135

        y = 11.61

Derive equation (1) w.r.t to 't'

2x\frac{dx}{dt} + 2y\frac{dy}{dt} = 0                ---->(2)

substitute the value of 'x', 'dx/dt' and 'y' in equation (2), we get the fast of the top of the ladder moving down when the foot of the ladder is 3 feet from the wall

2(3)(2) + 2 (11.61)\frac{dy}{dt}  = 0

12 + 23.22 \frac{dy}{dt}  = 0

                  \frac{dy}{dt}= \frac{-12}{23.22}

                  \frac{dy}{dt} = -0.518

Hence,  using Pythagoras theorem the top of the ladder moving down when the foot of the ladder is 3 feet from the wall is of -0.518 feet/sec.  

Learn more about Pythagoras theorem here

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5 0
2 years ago
Plzz help!! I really need it
nekit [7.7K]

Answer:

A,B,and C

Step-by-step explanation:

Hopefully this helps!

6 0
3 years ago
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