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Temka [501]
3 years ago
9

Divya has 70 rocks. She donates half of the rocks to a science center. Then she collects 3 rocks on each of her nature hikes. Wr

ite an expression to represent the number of rocks Divya has after she collects rocks on n nature hikes
Mathematics
1 answer:
user100 [1]3 years ago
3 0
Answer is 35 + 3n .
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A quarter is worth of a dollar. Haley needs to exchange dollar bills to get quarters to do her laundry in coin washers and dryer
Ira Lisetskai [31]

Answer:

52 quarters

Step-by-step explanation:

-We know that a quarter dollar is equivalent to $0.25

\$1=4 \ Quarters

-Given that Haley has $13, we multiply this amount by 4 since $1 has 4 quarters to obtain the number of quarters:

Q=13\times 4\\\\=52

Hence, Hayley will get 52 quarters.

8 0
3 years ago
According to a survey, 15% of city workers take the bus to work. Donatella randomly surveys 10 workers. What is the probability
Andru [333]

Answer:0.001

x=the number of workers taking the bus to work

p= probability of success =(15/100) = 0.15

q= probability of failure =1- p = 0.85

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            = 0.001

4 0
3 years ago
Read 2 more answers
A paint store sells exterior paint for $35.75 a gallon and paint rollers for $6.00 each. Write an equation in standard form for
VLD [36.1K]
The total price for the gallons of paint will be 35.75p

The total price for the rollers will be 6r

So the equation if the customer have 190 will be
price for gallons of paint + price for rollers = 190
35.75p + 6r = 190
<em>(This is the equation)</em>
3 0
3 years ago
Complete the table using the equation y = 5x + 3.<br> x -1 0 1 2 3 <br> y -? ? ? ? ?​
Simora [160]

Answer:

See below

Step-by-step explanation:

When x=-1, y=5(-1)+3=-5+3=-2

When x=0, y=5(0)+3=0+3=3

When x=1, y=5(1)+3=5+3=8

When x=2, y=5(2)+3=10+3=13

When x=3, y=5(3)+3=13+3=16

Therefore, this is the correct table:

x -1 0 1 2 3

y -2 3 8 3 16

6 0
3 years ago
What’s a quadrant in a graph
Serjik [45]
It’s the position on the graph. So quadrant 1 is (x,y)
Quadrant 2 is (-x,y)
Quadrant 3 is (-x,-y)
Quadrant 4 is (x,-y)
8 0
3 years ago
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