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3 years ago

5th grade math. correct answer will be marked brainliest.

Mathematics

1 answer:

Alla [95]3 years ago

3 0

Answer:

common denominator: 48

Step-by-step explanation:

common denominator: 8x6=48

1/8 = 6/48

1/6= 8/48

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ANSWER ONLY IF YK IT IM GIVING CORRECT BRAINLIEST

wariber [46]

Answer:

-5(3x^3-1)

Step-by-step explanation:

-15x^3+5

Factor out -5

-5(3x^3-1)

4 0

4 years ago

Can somebody plz help answer these questions correctly! Thx (grade7math) btw :)

mestny [16]

A) 14:10 = 7:15
b) 8:5
c) 5:10 = 1:2
d) 8 + 14 + 5 + 10 + 5 = 42
14:42 = 7:21 = 1:3

4 0

3 years ago

Read 2 more answers

Find the greatest common factor

timama [110]

answers to 1 - 4:

1. GCF: 2

2. GCF: 3

3. GCF : 7

4. GCF: 3

4 0

3 years ago

Suppose a normal distribution has a mean of 98 and a standard deviation of 6. What is P(x is greater than or equal to 86)? A. 0.

Lina20 [59]

Answer

0.975 is the probability value

Step-by-step explanation:

We start by getting the z score of 86

z-score = (x - mean)/SD

z-score = (86-98)/6 = -12/6 = -2

So we want to find the probability of z greater than or equal to 2

We shall be using the standard normal distribution table here

We have the answer as;

0.975

6 0

3 years ago

A particle moves on the circle x2 y2=25 in the xy-plane for time t≥0. At the time when the particle is at the point (3,4), dxdt=

stiks02 [169]

The movement of the particle on the circle is its displacement.

The value of dy/dt at this time is -9/2.

<h3>What is the differentiation?</h3>

Differentiation is a process, in Maths, where we find the instantaneous rate of change in function based on one of its variables.

A particle moves on the circle x^2 + y^2=25 in the XY-plane for time t≥0. At the time when the particle is at the point (3,4), dxdt=6.

The equation of the circle is given as:

$\rm x^2 + y^2=25$

Differentiate with respect to time

$\rm 2x \times \dfrac{dx}{dt}+2y \times \dfrac{dy}{dt}=0$

Substitute all the values in the equation

$\rm 2x \times \dfrac{dx}{dt}+2y \times \dfrac{dy}{dt}=0\\\\2(3) \times 6+2(4)\times \dfrac{dy}{dt}=0\\\\ 6 \times 6+8 \times \dfrac{dy}{dt}=0\\\\ 36+8\times \dfrac{dy}{dt}=0\\\\ 8\times \dfrac{dy}{dt}=-36\\\\ \dfrac{dy}{dt}= \dfrac{-36}{8}\\\\ \dfrac{dy}{dt}= \dfrac{-9}{2}$

Hence, the value of dy/dt at this time is -9/2.

Learn more about differentiation here;

brainly.com/question/19385433

#SPJ4

6 0

2 years ago