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Mrs. Green was told that she could reduce her heating expenses at least
20% by increasing the insulation of her house. After doing so, she found
her average monthly bill for oil decreased from $80 to $60. What fractional
part of her former heating expenses did Mrs. Green save by adding
insulation. - 🧠 ANSWER ✔✔1/4
A woman buys eight items at the grocery store. The lightest item weighs 6
ounces and the heaviest item weighs 14 ounces. The woman buys 4 items
the weigh 10 ounces per item. Which of the following is the maximum
weight of the items purchased? - 🧠 ANSWER ✔✔88oz.
Simplify
6-8/2x4 - 🧠 ANSWER ✔✔-10
,Simplify
(1+2) to the 2 power -2(3-4)to the 3 power - 🧠 ANSWER ✔✔11
In triangle ABC, AB=AC and angle A measures 40. What is the measure of
angle B? - 🧠 ANSWER ✔✔70
The driving distance between tallahassee and Tampa is 280 miles. If 1/2
inch on a map represents 40 miles, what is the distance in inches between
the cities? - 🧠 ANSWER ✔✔3.5 in.
A milligram would be the most appropriate unit to use for measuring the
mass of a - 🧠 ANSWER ✔✔Feather with a 1-inch length
A child is cutting steaks from a 12-pound section of beef. Allowing '/2
pound for waste, how many 8-ounce steaks can be prepared from the
section of beef? - 🧠 ANSWER ✔✔23 steaks
If fencing is $4.00 per yard, how much will it cost a farmer to fence a
rectangular field with dimensions 300 feet by 600 feet? - 🧠 ANSWER
✔✔$2400
Find an algebraic expression equivalent to 2x/3 + 3y14 - 🧠 ANSWER
✔✔8x/12 + 9y112
,The function h = 2d + 4 represents the height (h) in inches of a plant after a
certain number of days' (d) growth. Which of the following represents the
height of the plant for the first two days? - 🧠 ANSWER ✔✔d=0 1 2
h=4 6 8
Which algebraic expression can be used,to determine the sale price?
(chart) regular price/sale price - 🧠 ANSWER ✔✔S=3/4 r
Which of the following is the solution of 3(4-2x)-(2x-2)=38 - 🧠 ANSWER
✔✔-3
Which of the following values is the solution to the given equation? 2(h —
6) = -(16 + 3h) - 🧠 ANSWER ✔✔-4/5
Which of the following values is the solution to the given equation?
6 — 2(4-x)=8 - 🧠 ANSWER ✔✔5
The teacher is following the student work shown below. The student was
attempting to find an equivalent expression for
(x — 1)(x + 1) — (x + 2)(x — 2)
Step 1: (x — 1)(x + 1) — (x - 2)(x + 2) = (x2 — 1) — (x2— 4)
Step 2: (x2 — 1) — ( x2 7 4) = x2— 1 — x2 - 4
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, Step 3: x2-1—x2-4x2—x2-l-4
Step 4: x2— x2 — 1 — 4 = -5
The teacher notes that the student committed a single error. During which
of the following steps did the student first commit the error? - 🧠 ANSWER
✔✔Step 2
A salesperson earns $50 a day plus a 25% commission of all sales_ Which
of the following graphs shows the salesperson's earnings per day? - 🧠
ANSWER ✔✔Graph B
Which of the following sets of ordered pairs represents a function? - 🧠
ANSWER ✔✔{(0,0), (1,1)}
Line A is described by the equation 4.y t 3x = 12. Line B is parallel to line A.
Which of the following is the slope of line B? - 🧠 ANSWER ✔✔-3/4
A student recorded the number of chin-ups she did at the gym during the
past few weeks. The following list shows her chin-up totals.
13, 6, 23, 7, 8, 23, 9, 16, 12, 14