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Tju [1.3M]
3 years ago
13

8. Make a prediction for a resting heart rate after 6 hours of

Mathematics
2 answers:
liraira [26]3 years ago
7 0
I think the answer is 50
wel3 years ago
7 0

Answer:

the answer is 50!!! it sure is

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Mitchell took out a loan for $1100 at a 19.2% APR, compounded monthly, to
goldenfox [79]

Answer:

C. 18

Step-by-step explanation:

We can find the numbers of payments using following formula

PV = PMT(1- (1+r)^-n)/r

PVr / PMT = 1 - (1+r)^-n

Where

PV = present value = $1,100

PMT = monthly payments = $71.50

r = interest rate = 19.2% / 12 = 1.6%

n = numbers of month = ?

Placing values in the formula

(1+r)^-n = 1 - PVr /PMT

1.016^-n = 1-1100 x 0.016/71.50

1.016^-n = 0.753846154

-n x log 1.016 = log 0.753846154

n = - log 0.753846154 /log 1.016

n = 17.8

n = 18 payments

4 0
3 years ago
5. When I sine an angle like 60°, it gives me a value like 0.866025403. What does this number represent?
PolarNik [594]

Answer:

See below

Step-by-step explanation:

The number you described is the same as sin(60^{\circ})=\frac{\sqrt{3}}{2} where the sine of an angle is the ratio between a right triangle's opposite side to the angle and the hypotenuse. So, in this case, if we had a right triangle with a height of \sqrt{3} units and a hypotenuse of 2 units, the ratio between the two sides will result in the value you provided. This right triangle in particular would be a 30-60-90 triangle.

In the case of a unit circle, it’s the y-coordinate of the point where a 60° angle in the standard position intersects a unit circle and a right triangle is created from that.

5 0
3 years ago
There are 124 dogs and cats in Miss Mulero's backyard. There are eight more dogs than cats. What is the total number of dogs in
Genrish500 [490]

Answer:

There are 66 number of dogs in Miss Mulero's backyard.

Step-by-step explanation:

Let's set up equation for the given information.

Let there are 'd' number of dogs

and 'c' number of cats.

So, we can set up equation as

d+c=124

d=c+8

Let's solve the system of equations for 'd' and 'c'.

Substitute d as c+8 into the first equation then solve for 'c'

c+8+c=124

Combine like terms

2 c+8=124

Subtract both sides 8

2 c = 116

Divide both sides by 2.

c= 58

Plug in c as 58 into d=c+8

d=58+8

d=66

So, there are 66 number of dogs in Miss Mulero's backyard.

5 0
3 years ago
Find the inverse of the matrices if they Exist. Use the algorithm introduced in the section. [1 0 -2 -3 1 4 2 -3 4]
KiRa [710]

Answer:

\frac{1}{2} \left[\begin{array}{ccc}16&6&2\\20&8&2\\7&3&1\end{array}\right]

Step-by-step explanation:

Given is a matrix 3x3 as

\left[\begin{array}{ccc}1&0&2\\-3&1&4\\2&-3&4\end{array}\right]

|A| =2 hence inverse exists.

Cofactors are 16   20   7

                        6     8    3

                         2     2    1

Hence inverse =

\frac{1}{2} \left[\begin{array}{ccc}16&6&2\\20&8&2\\7&3&1\end{array}\right]

6 0
3 years ago
Can someone help me with number 10
AveGali [126]

Answer:

No they don't show direct variation because if you get y alone, the equation you get is in slope intercept form instead of direct variation.

Step-by-step explanation

direct variation: y=kx

y-x=4

 +x     +x

y= 4+x

Not Direct Variation

3 0
3 years ago
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