MATHEMATICS HIGH SCHOOL

Indicate in standard form the equation of the line passing through the given point and having the given slope. D(5, -2) m = 2/5

Answers

Answer 1
Answer: Hello,

y+2=2/5(x-5)
==>5y+10=2x-10
==>2x-5y=20
Answer 2
Answer:

Answer:

2x-5y=20

Step-by-step explanation:

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Is 3 yards greater or less than or equal to 21 feet

Answers

3 yards is less than 21 feet. 3 yards is 9 feet. 7 yards is 21 feet
3 yards is less than 21 feet because there are 3 feet in each yard.
3x3=9
21 feet is greater than 9 feet
Hope this helps!!!

4х
Зу = 15
How do I write this in slope intercept form?

Answers

Y= 15/4x (to the power of 3)

Jude has seven times as many dimes as nickels their value is $5.25 how many nickels does he have.49
15
7

Answers

Let dimes be represented by d and n for nickels;
1 dime= 0.1 dollars
1 nickel=0.05 dollars
0.1d+0.05n=5.25
d=7n
so,
0.1(7n)+0.05n=5.25
0.7n+0.05n=5.25
0.75n=5.25
n=7
There are 7 nickels and 49 dimes
1 nickel = $0.05
1 dime = $0.10

n - number of nickels
7n - number of dimes

A equation:
 
0.05n + 0.1 · 7n = 5.25
0.05n + 0.7n = 5.25
0.75n = 5.25          |divide both sides by 0.75
n = 7

Answer: He have 7 nickels.

The area of the closet floor is 18 feet. If Saroya buys 32 tiles will she have enough to cover the floor?

Answers

No shel will not have enough tile.  If you don't know the dimensions of the actual tile how will you solve.  If you have a closet 18 square feet it could be 9 ' x 2 ' = 18 square feet. If the tiles were 12" x 6" you would need 36 tiles.  If the closet was 6' x 3' = 18 square feet you could have the tiles 12" x 6" = 36 tiles.  So you need to know the dimensions of the tile.

Calculate how much each size per gram, and circle which gives the best value for money. 250g for $2.30, 400g for &3.40, 1Kg for $5.65

Answers

To do this, we must set up ratios:
Option One:
(2.30)/(250g) \n (0.0092)/(1g) \n 0.0092/g
The first options costs only $0.0092/gram (a fraction of a penny)!
Option Two:
(3.40)/(400g) \n (0.0085)/(1g) \n 0.0085/g
The second option costs only $0.0085/gram (cheaper than option one)!
Option Three: 
This requires a little more work. First, we have to convert the grams into kilograms. For every 1 kg, there is 1,000 g. Therefore, 1,000g costs $5.65. Next, we set up the ratio as usual:
(5.65)/(1000g) \n (0.00565)/(1g) \n 0.00565/g
The third option costs $0.00565/gram.

Therefore, option three is the cheapest! 

Hope this helps!

Help plz fast and thank you!

Answers

Answer:

45 (1+2)

Step-by-step explanation:

Answer:5,5,4

Step-by-step explanation:5+4=9

9*5=45
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