MATHEMATICS HIGH SCHOOL

Someone please help this is urgent!

Answers

Answer 1

Answer:

second option

Step-by-step explanation:

3x+5y=25 ---> subtract 3x over

5y=25-3x --->divide both sides by 5

y=-3/5 x+5

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Natasha spent 1\dfrac121 2 1 1, start fraction, 1, divided by, 2, end fraction hours on the beach. She fell asleep for \dfrac34 4 3 start fraction, 3, divided by, 4, end fraction of the time she was on the beach and then woke up with a terrible sunburn. How many hours was Natasha asleep on the beach?

Answers

Answer:

1 and 1/8 hours or

Step-by-step explanation:

Natasha spent one and a half hours on the beach, which can be rewritten as 3/2 hours. Out of that time, she spent 3/4 sleeping. The total time she spent sleeping on the beach is determined by the product of the amount of time she spent on the beach by the fraction of that time she spent asleep:

$T=(3)/(2) * (3)/(4)\nT=(9)/(8) \nT=1 + (1)/(8)$

Natasha was asleep on the beach for 1 and 1/8 hours or 1 hour 7 minutes and 30 seconds.

Solve for x. 12:15 = x:5

Answers

The value of x will be;

⇒ x = 4

What is Proportional?

Any relationship that is always in the same ratio and quantity which vary directly with each other is called the proportional.

Given that;

The expression is,

⇒ 12 : 15 = x : 5

Now,

Since, The expression is,

⇒ 12 : 15 = x : 5

Hence, Solve for x as;

⇒ 12 / 15 = x / 5

⇒ 12 × 5 / 15 = x

⇒ x = 12 / 3

⇒ x = 4

Thus, The value of x = 4

Learn more about the proportion visit:

brainly.com/question/870035

#SPJ2

15/3 = 5
12/3 = 4
x = 4

shella is participating in a multi-day bike trip. on the first day, she rode 100 miles in 8 hours. use the expression d/t where d is the distance traveled and t is the travel time to find her average rate of travel. include units when evaluating the expression.

Answers

To solve this problem, first we have to substitute our integers in for our variables in the equation we are using.

d/t= 100 miles/8 hours

Then, we have to simplify the integer equation.

100 miles/8 hours = 12.5 miles per hour

This means that Shella traveled at an average speed of 12.5 mph on her bike trip.

Students in Miss Moseley's fourth grade class are learning multiplication, and they demonstrate mastery by passing assessments. Travis has passed 11 tests, and his classmate, Jenifer, has passed 2 tests. Going forward, Travis plans to pass 2 tests per week. Meanwhile, Jenifer plans to pass 5 tests per week. Eventually Jenifer will catch up to Travis. When the number of tests each student has passed are equal, how many tests will each student have passed and how many weeks will it take?

Answers

Jenifer

2+5 week 1

7+5 week 2

12+5 week 3

17 week4

Travis

11+2 week 1

13+2 week 2

15+2 week 3

17 week 4

Please need help asap!!

Answers

The polygon is concave because if you placed lines directly on top of every side of the polygon, one or more of the lines would intersect an existing side. In a convex polygon, if you placed lines on top of the sides they wouldn't intersect another side.

So your answer is B) Concave.

What is 5y + 2w - 5y + 6w

Answers

Simplify

5y+2w-5y+6w

Combine like terms

= 5y+2w+-5y+6

= ( 2w+6w)+ ( 5y+-5y)

= 8w

I hope that's help !

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