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2 years ago

Evaluate each expression if m = 2, n = 16, and g = 1/5.

Mathematics

1 answer:

Kamila [148]2 years ago

3 0

1. 2n-6 2(16)-6 32-6 26 p 2. 15g 15(0.2) 3 3. 45g 45(0.2) 9 4. 7m+8 7(2)+8 22 5.50g*50g 10*10 100

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Luis, using appropriate safety precautions, fires a .22 caliber gun directly into the sky above him. The bullet travels at a spe

Tanya [424]

The equation represents height as a function of time.

The bullet was in the air for 75 seconds.

The equation is given as:

$h(t) = -16t^2 + 1200t$

The time spent in the air is the time it takes the bullet to land on the ground.

When the bullet is on the ground, the height is:

$h(t) = 0$

So, we have:

$h(t) = -16t^2 + 1200t$

$-16t^2 + 1200t = 0$

Factor out t

$t(-16t + 1200) = 0$

Split

$t = 0$ or $-16t + 1200 = 0$

$t = 0$ represents when the shot is fired.

So, we solve for t in $-16t + 1200 = 0$

Collect like terms

$16t = 1200$

Divide both sides by 16

$t = 75$

Hence, the bullet was in the air for 75 seconds

Read more about height and time at:

brainly.com/question/2261757

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1 year ago

If (x – 4) + 6 = 2 - (4 - 2x), then x = A. -4 B. -2 C. 2 D. 4

blondinia [14]

Answer:

x=4

Step-by-step explanation:

Remove the parentheses and turn the 4-2x and make it into 4+2x candle the equal term -4 and should be left with x+6=2+2x then move the variable to the left and change the sign so it would be x-2x=2-6 and collect like terms so it would be -x=2-6 and then calculate that and get -x= -4

(sorry its alot)

6 0

3 years ago

Round tables seating 8 people and rectangular tables seating 12 people are being used at a banquet for 8th graders. The ratio of

Tamiku [17]

Answer:

36 tables are used to seat the students at the banquet: 12 rectangular and 24 round.

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Round tables = 8 seats

Rectangular tables = 12 seats

Ratio of round tables to rectangular tables = 2:1

Number of students = 336

2. How many tables are used to seat 336 students at the banquet, if no table has an empty seat?

x = Number of rectangular tables

2x = Number of round tables

Let's solve for x, using this equation:

12x + 8 (2x) = 336

12x + 16x = 336

28x = 336

x = 336/28

x = 12 ⇒ 2x = 24

12 + 24 = 36

36 tables are used to seat the students at the banquet: 12 rectangular and 24 round.

6 0

2 years ago

Read 2 more answers

In the adjoining figure, ABCD is a square of side 28 cm find the area of shaded region

vodka [1.7K]

Step-by-step explanation:

Area of square

A = s²

A = 28²

A = 28 × 28

A = 784 cm²

7 0

2 years ago

Marcos has 78 toys cars he arranged the toys car into 6 days equal groups

fenix001 [56]

Answer: 13 groups

Step-by-step explanation:

78/6 = 13

6 0

2 years ago