3 years ago

Pls pls pls pls pls help me pls

Mathematics

1 answer:

grandymaker [24]3 years ago

3 0

Coefficient of a² is -2

Coefficient of ab is 4

Coefficient of b is -2

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if the heart of an elephant , at rest beat an average of 1680 beats in 60 min . What is the rate in beats per minute

Tresset [83]

Use the rule of 3 simple

1680 beats ------- 60 min.
x beats -------------- 1 min.
----------------------------------
x = (1680*1)/60 = 1680/60 = 168/6 = 28 beats per minute

hope helped

5 0

3 years ago

-5y = -5

Vsevolod [243]

-5y = -5 = 1

7x + 6y = 7

=-1.167

your answer is B) no

4 0

3 years ago

How do i solve this question

Ludmilka [50]

Answer:

$a\frac{c}{8\pi b}$

Step-by-step explanation:

Divide both sides by $8\pi b$

$\frac{8\pi ab}{8\pi b} =\frac{c}{8\pi b}$

Simplify:

$a\frac{c}{8\pi b}$ ; $a\frac{c}{8\pi b}; b\neq 0$

8 0

3 years ago

WILL GIVE BRAINLIEST 27 points

tangare [24]

It is not direct variation because it does not follow the equation
y = slopex
THE points do not make the equation true .

3 0

3 years ago

Read 2 more answers

Given the following expression, what is the rate of decay (write in decimal form, not as a percentage)? 15000 (.87)^7

34kurt

Answer:

0.87

Step-by-step explanation:

y = ab^x

b is the rate of decay if it is between 0 and 1. Here, b = 0.87.

Answer: 0.87

6 0

3 years ago