Ask question

Ask question

All categories

sertanlavr [38]

3 years ago

15

Every two days he’s trying to spend 1.75 hours observing dolphins and 2.5 hours observing sea lines at this rate how many total

hours will the scientist spend a observing dolphins and sea lions in 10 days

1 answer:

inysia [295]3 years ago

5 0

The scientist was observing for 42.5 hours.

You might be interested in

What is the sum of the rational expressions below? X/4 + 3/5x

Andrew [12]

Answer:

The answer is $\frac{5x^2+12}{20x}$ .

Step-by-step explanation:

Given:

X/4 + 3/5x.

Now, to find the sum of the rational expressions.

$\frac{x}{4} +\frac{3}{5x}$

So, to solve it by adding:

$\frac{x}{4} +\frac{3}{5x}$

$=\frac{5x\times x+3\times 4}{5x(4)}$

$=\frac{5x^2+12}{20x}$

Therefore, the answer is $\frac{5x^2+12}{20x}$ .

4 0

2 years ago

The following menu items were ordered at a pizza parlor on Friday. 3 salads, 8 pizzas, 4 sides of breadsticks, and 5 pepperoni c

den301095 [7]

Answer:

Using proportions, the pizza parlor should expect 20 breadsticks and 25 calzone orders if there were 100 total orders.

Step-by-step explanation:

Orders:

Salads 3

Pizzas 8

Sides of breadsticks 4

Pepperoni calzones 5

Total orders: 20

Proportion of sides breadsticks=4/20=0.2

Proportion of pepperoni calzones=5/20=0.25

For 100 total orders:

Sides of breadsticks=0.2(100)=20

Pepperoni calzones=0.25(100)=25

6 0

2 years ago

Can someone help me with these 3 questions. Sorry for the annoyance.

erastova [34]

Answer:

the first one is 37

the second one is 36

the third one is 27

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Bismuth-214 has a half-life (50%) of approximately 20 minutes. Find the amount of Bismuth-214 left

ivolga24 [154]

La verdad no se la respuesta perdón

8 0

3 years ago

Read 2 more answers

Substititue 5 for x. Is the solution true?<br> 3x + 4 - x = 4x - 6

Aloiza [94]

Answer:

It's a true solution.

Step-by-step explanation:

$3(5) + 4 - 5 = 4(5) - 6$

$15 + 4 - 5 = 20 - 6$

$19 - 5 = 14$

$14 = 14$

3 0

2 years ago