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2 years ago

How do I solve 8 - 4x + 5y when x = -2 and y = 6

Mathematics

1 answer:

Oliga [24]2 years ago

3 0

8 - 4(-2) + 5(6)
8 + 8 + 30
=46

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John wants to join a gym so that he can work out during the evenings. There are two gyms in his town that he is considering. Ext

Y_Kistochka [10]

Answer:

It would be 4 months because with extreme fitness 10x4=40 then 40+50=90 then for ultimate fitness 15x4=60 then 60+30=90 so I took 4 months for both memberships to be the same

Step-by-step explanation:

Look at the answer above

3 0

2 years ago

Read 2 more answers

A triangular lot has sides of 215m, 185m, and 125m. Find the measures of the angles at its corners

Vlada [557]

Answer:

The measures of the angles at its corners are $59.1\°,35.4\°,85.5\°$

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the measure of angle A

Applying the law of cosines

$185^{2}= 215^{2}+125^{2}-2(215)(125)cos(A)$

$2(215)(125)cos(A)= 215^{2}+125^{2}-185^{2}$

$cos(A)= [215^{2}+125^{2}-185^{2}]/(2(215)(125))$ $cos(A)=0.513953$

$A=arccos(0.513953)=59.1\°$

step 2

Find the measure of angle B

Applying the law of cosines

$125^{2}= 215^{2}+185^{2}-2(215)(185)cos(B)$

$2(215)(185)cos(B)= 215^{2}+185^{2}-125^{2}$

$cos(B)= [215^{2}+185^{2}-125^{2}]/(2(215)(185))$ $cos(B)=0.81489$

$B=arccos(0.81489)=35.4\°$

step 3

Find the measure of angle C

Applying the law of cosines

$215^{2}= 125^{2}+185^{2}-2(125)(185)cos(C)$

$2(125)(185)cos(C)= 125^{2}+185^{2}-215^{2}$

$cos(C)= [125^{2}+185^{2}-215^{2}]/(2(125)(185))$ $cos(C)=0.0784$

$C=arccos(0.0784)=85.5\°$

3 0

2 years ago

Please help me !!

lilavasa [31]

Number 1 is x=8!!

2 is pretty confusing so I hope someone else can answer two as I have answered 1!

5 0

3 years ago

Read 2 more answers

The population of the Maldives was 390 000 at the start of 2009. The population

My name is Ann [436]

Step-by-step explanation:

start with 390 000x 5.6 x 6

6 0

2 years ago

Maddie's monthly take home pay is $3,500. She is making monthly payments of $250 for a student loan and $218 for a credit card.

iren2701 [21]

Answer:

C. $482

Step-by-step explanation:

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3 years ago