subject
Mathematics, 04.10.2021 04:50 lovely222

Keisha tried to evaluate an expression step by step. \qquad\begin{aligned} &3 + (-4) - 7 \\ =&3+(-4)+(-7)&\green{\text{ Step } 1} \\ =&3+(-11)&\blue{\text{Step } 2} \\ =&-8&\purple{\text{Step } 3} \end{aligned} = = = 3+(−4)−7 3+(−4)+(−7) 3+(−11) −8 Step 1 Step 2 Step 3 Find Keisha's mistake. Choose 1 Choose 1 (Choice A) A \green{\text{Step }1}Step 1start color #28ae7b, start text, S, t, e, p, space, end text, 1, end color #28ae7b (Choice B) B \blue{\text{Step }2}Step 2start color #6495ed, start text, S, t, e, p, space, end text, 2, end color #6495ed (Choice C) C \purple{\text{Step }3}Step 3start color #9d38bd, start text, S, t, e, p, space, end text, 3, end color #9d38bd (Choice D) D Keisha did not make a mistake.

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 12:30, lyssa128
1. a driveway has a 15° grade. if the driveway is 40 meters long, how much does the driveway rise? (nearest tenth of a meter) 2. a person located 4 miles from a rocket launch site sees a rocket at an angle of elevation of 32°. at that moment, how high is the rocket above the ground? (nearest tenth of a mile) 3.an airplane approaches an airport landing strip with an angle of depression of 12°. if the airplane is flying at an altitude of 20,000 feet, find the distance on the ground that the plane will need to land. (nearest 1,000 feet) 4.two buildings are located on opposite sides of the street, 40 meters apart. the angle of elevation from the top of the shorter building to the top of the taller building is 53°. if the taller building is 300 meters tall, what is the height of the shorter building? (nearest meter) 5.george is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)
Answers: 1
image
Mathematics, 21.06.2019 16:00, crawfordricky84
Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm
Answers: 2
image
Mathematics, 21.06.2019 19:40, mathman783
F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?
Answers: 1
image
Mathematics, 21.06.2019 20:00, xxaurorabluexx
Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,
Answers: 3
You know the right answer?
Keisha tried to evaluate an expression step by step. \qquad\begin{aligned} &3 + (-4) - 7 \\ =&am...

Questions in other subjects:

Konu
Social Studies, 25.07.2019 20:00
Konu
Social Studies, 25.07.2019 20:00