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3 years ago

Heres the lineeeeeeeeeeeeeeeeeeeeee

Mathematics

1 answer:

ra1l [238]3 years ago

6 0

Answer:

Z, K and R

and

H ,B and C

........

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The Rivera family went on a vacation. They started with $2000 dollars. If they spent $150 dollars each day, what expression repr

Dennis_Churaev [7]

Answer:

Step-by-step explanation:

The Rivera family started with $2000 dollars and they spent $150 dollars each day.

After x days, the amount of money spent will be:

2000 - 150(x)

= 2000 - 150x

The expression is 2000 - 150x

The constant is 2000

The coefficient of x is -150

X represents number of days

4 0

3 years ago

25. The heights of three-year-old boys are Normally distributed with a mean of

mario62 [17]

1.29 just add them your welcome

7 0

3 years ago

For what value(s) of k will the relation not be a function

skelet666 [1.2K]

We are given two relations

(a)

Relation (R)

$R=[((k-8.3+2.4k),-5),(-\frac{3}{4}k,4)]$

We know that

any relation can not be function when their inputs are same

so, we can set both x-values equal

and then we can solve for k

$k-8.3+2.4k=-\frac{3}{4} k$

$3.4k-8.3=-\frac{3}{4}k$

$3.4k\cdot \:10-8.3\cdot \:10=-\frac{3}{4}k\cdot \:10$

$4k-83=-\frac{15}{2}k$

$34k=-\frac{15}{2}k+83$

$\frac{83}{2}k=83$

$83k=166$

$k=2$ ............Answer

(b)

S = {(2−|k+1| , 4), (−6, 7)}

We know that

any relation can not be function when their inputs are same

so, we can set both x-values equal

and then we can solve for k

$2-|k+1|=-6$

$2-\left|k+1\right|-2=-6-2$

$-\left|k+1\right|=-8$

$\left|k+1\right|=8$

Since, this is absolute function

so, we can break it into two parts

$|f\left(k\right)|=a\quad \Rightarrow \:f\left(k\right)=-a\quad \mathrm{or}\quad \:f\left(k\right)=a$

$k+1=-8\quad \quad \mathrm{or}\quad \:\quad \:k+1=8$

we get

$k+1=-8\quad$

$k=-9$

$k+1=8\quad$

$k=7$

so,

$k=-9\quad \mathrm{or}\quad \:k=7$ ...............Answer

5 0

3 years ago

I AM IN NEED OF HELP THANKYOU

Varvara68 [4.7K]

Oh okay I’m not going home I’m sorry I don’t have to sleep tueitu lol I

8 0

3 years ago

Calculate the area and perimeter

siniylev [52]

Answer:

Area: 38 cm^2 Perimeter: 28 cm

Step-by-step explanation:

blegh

4 0

3 years ago