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3 years ago

Can someone please be kind enough to help me with all theses problems

Mathematics

2 answers:

Elenna [48]3 years ago

7 0

I will tell you use a calculator and leave the answer there. Try the math see if you get it correct. If you don't tell me!

Aneli [31]3 years ago

4 0

1- 793
2- 555
3- 878
I got tired of doing them so this is all I got sorry kid :(

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25 POINTS + BRAINLIEST 6⋅3−^2 −3^4 ⋅9+4^0 solve using the order of operations

erastova [34]

Answer:

241

Step-by-step explanation:

6⋅3−^2 −3^4 ⋅9+4^0

256-10-15/3

=256-10-5

=246-5

=241

5 0

4 years ago

Is -0.232746284627 a rational or irrational

vovikov84 [41]

Answer:

irrational

Step-by-step explanation:

that is..... if it keeps in continuing forever

6 0

3 years ago

Read 2 more answers

An equilateral triangle has sides of length(3k-2)units. A regular pentagon(5 sides) has sides of (2k+0.5)units. If the perimeter

Vitek1552 [10]

The length of side of triangle is 5 units and length of side of pentagon is 1.5 units.

<u>SOLUTION:</u>

Given, An equilateral triangle has sides of length $(3k-2)$ units.

Then, perimeter of the triangle will be $3 \times(3 k-2)=9 k-6$

A regular pentagon (5 sides) has sides of $(2k+0.5)$ units.

Then, perimeter of the pentagon will be $5 \times(2 k+0.5)=10 k+2.5$

We have to find the dimensions of each shape . Now, the perimeter of the triangle is twice the perimeter of the pentagon,

So, $\text {perimeter of triangle} = 2\times \text{perimeter of pentagon}$

$\begin{array}{l}{\rightarrow 9 k-6=2(10 k+2.5)} \\\\ {\rightarrow 9 k-6=20 k+5} \\\\ {\rightarrow 20 k-9 k=-6-5} \\\\ {\rightarrow 11 k=-11} \\\\ {\rightarrow k=-1}\end{array}$

Then, length of side of triangle $= 3(-1)-2 = - 5$

Length of side of pentagon $= 2(-1) + 0.5 = - 1.5$

We have to neglect, negative sign as lengths can’t be negative. Even if we change the sign above all conditions are satisfied.

4 0

3 years ago

A radio active isotope decays according to the exponential decay equation where t is in days. Round to the thousandths place. Th

Whitepunk [10]

To calculate the value of the half life we proceed as follows;
a/2=ae^(-2.360t)
the a(s) will cancel and we shall remain with:
1/2=e^-2.360t
introducing the natural logs we get:
ln (1/2)=ln e^(-2.360t)
ln(1/2)=-2.360t
hence;
t=(ln 0.5)/(-2.360)
t=0.294
the answer is t=0.294

8 0

3 years ago

0.5+0.3-(-0.5--0.3) I AM SOOOO SRRY GUYS

11Alexandr11 [23.1K]

Answer:

0.5+0.3-(-0.5-0.3)

=1.6

3 0

3 years ago