An environmental group is planting trees in a park. The group wants to plant 32 trees in all and have already planted 11 trees. If the group can plant 3 trees per hour, how long will it take it to finish?(1 point)
3
11
t
32***
==================================
y = m x + b
32 = 3 t + 11
21 = 3 t
t = 7
For the given word problem, identify the rate of change.
Gasoline at a particular gas station costs $2.78 per gallon. If Cory buys $18 of gas, how many gallons did he buy?(1 point)
$2.78***
1
g
$18
For the given word problem, identify the specific quantity.
An environmental group is planting trees in a park. The group wants to plant 32 trees in all and have already planted 11 trees. If the group can plant 3 trees per hour, how long will it take it to finish?(1 point)
3
11
t
32***
For the given equation, identify the value of the rate at which the equation is changing.
7x−3=32
3
7
x***
32
For the given equation, identify the initial quantity.
10x=132
(1 point)
x
10***
0
132
Which equation corresponds to the following word problem?
An author writes 22 pages of her book each week. She has already written 58 pages and expects to have 280 pages in her first draft. How long will it take the author to finish her first draft?
(1 point)
58w−22=280
22w+58=280***
22w+280=58
58w−280=22
please tell me if i am correct
4 answers
For the given equation, identify the value of the rate at which the equation is changing.
7x−3=32
3
7
x***
32
===================================
y = m x + b
32 = 7 x - 3
m = rate of change = 7
7x−3=32
3
7
x***
32
===================================
y = m x + b
32 = 7 x - 3
m = rate of change = 7
For the given equation, identify the initial quantity.
10x=132
(1 point)
x
10***
0
==========================
y = m x + b
b is initial value
32 = 10 x + 0
so initial value is 0
10x=132
(1 point)
x
10***
0
==========================
y = m x + b
b is initial value
32 = 10 x + 0
so initial value is 0
An author writes 22 pages of her book each week. She has already written 58 pages and expects to have 280 pages in her first draft. How long will it take the author to finish her first draft?
(1 point)
58w−22=280
22w+58=280***
22w+280=58
58w−280=22
==========================================
y = m x + b
280 = 22 t + 58 AGREE !
22 t = 280 - 58
22 t = 222
t = 10.09
(1 point)
58w−22=280
22w+58=280***
22w+280=58
58w−280=22
==========================================
y = m x + b
280 = 22 t + 58 AGREE !
22 t = 280 - 58
22 t = 222
t = 10.09
4 answers