Is #1 correct and I need help on #2 THANKS :)

Answers

Answer 1

Answer: Answer 1 = I believe you are correct cause when doing area , remembering you times the different area of the sides

Answer 2 = I believe the answer is C (2,0009) cause remember adding when doing volume but there are few steps ..
. i have done the work for this and hoping my work helped the answer i got help you! comment below if you need anything , thanks , have a nice day!!

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Write the equations of the lines, representing the following conditions, in the form y = mx + b, where m is the slope and b is the y-intercept:Part A) Passes through (2, 5) and m = 3/4
Part B) Passes through (−3, 2) and (1, −3)
Part C)m=2/5 and y-intercept =-6
Part D) x-Intercept = 4 and y-intercept = −2
Part E) Passes through (−2, 2) and parallel to 4x − 3y − 7 = 0

Answers

Part A) Passes through (2, 5) and m = 3/4

y - 5 = 3/4 (x - 2)

y = 3x/4 - 3/2 + 5

y = 3x/4 + 7/2

Part B) Passes through (−3, 2) and (1, −3)

y - 2 = [(2 -(-3)) / (-3 -1) ] * [x - (-3)]

y - 2 = [5/(-4)] * [x+3]

y = -5x/4 - 15/4 + 2

y = -5x/4 -7/4

Part C)m=2/5 and y-intercept =-6

y = 2x/5 - 6

Part D) x-Intercept = 4 and y-intercept = −2

x-Intercept = 4 = (4,0)

and y-intercept = −2 = (0, - 2)

y - (-2) = [ (0 - (-2) ) / (4-0)] * [x-0]

y +2 = [2/4] (x)

y = x/2 - 2

Part E) Passes through (−2, 2) and parallel to 4x − 3y − 7 = 0

Parallel lines have same slope, m.

m = 4/3

y - 2 = 4/3 (x - (-2))

y - 2 = 4x/3 + (4)(2)/3

y = 4x/3 +8/3 + 2

y = 4x/3 + 14/3

Susana drove 125 miles in 5 hours. What is her average speed in miles per hour? a) 25 mph b) 30 mph c) 35 mph d) 40 mph

Answers

Answer: a) 25 mph

Explanation:

To find the average speed, we need to divide the total distance by the total time. Here, we have Susana driving a total distance of 125 miles with a time of 5 hours.

We can calculate the average speed by dividing the total distance driven by the total time driven.
125 miles / 5 hours = 25 miles/hour

This gives us answer option a, the average speed of Susana is 25 mph.

Answer:

The average speed is 25 mph

Step-by-step explanation:

We can calculate average speed by dividing the distance and the time interval:

average speed = (total distance traveled/time interval)

= (125 mi/5 hours)

= 25 mph

Her average speed is 25 mph.

a) 25 mph

If JL =120, what are the lengths of JK and KL

Answers

The length of JK is 42 and the length of KL is 69

Calculating Length

From the question, we are to determine the length of JK and KL

From the given information,

JK = 4x + 6

KL = 7x + 15

In the diagram,

JL = JK + KL

120 = 4x + 6 + 7x + 15

120 = 11x + 21

120 - 21 = 11x

99 = 11x

x = 99/11

x = 9

∴ JK = 4x + 6 = 4(9) + 6

JK = 36 + 6

JK = 42

and

KL = 7x + 15 = 7(9) + 6

KL = 63 + 6

KL = 69

Hence, the length of JK is 42 and the length of KL is 69

Learn more on Calculating length here: brainly.com/question/26034806

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3(x - 4) + 6 = 5(x - 1) + 1 solve for x and show work

Answers

Answer:

x= -1

Step-by-step explanation:

open brackets and calculate

3x - 12 + 6 = 5x -5 + 1

Calculate

3x - 6 = 5x - 4

transpose

3x - 5x = - 4 + 6

Calculate

- 2x = 2

x= 2/-2

x= -1

Answer:

X = -1

Step-by-step explanation:

3(x - 4) + 6 = 5(x - 1) + 1 -distribute

3x - 12 + 6 = 5x - 5 + 1 -combine like terms

3x - 6 = 5x - 4 -subtract 3x

-6 = 2x - 4 -add 4

-2 = 2x -divide by 2

-1 = x

Hope this helps. Pls give brainliest.

What is the value of x in the equation 25x2 = 16?

Answers

Answer:

The answer is

$x=(+/-)(4)/(5)$

Step-by-step explanation:

we have

$25x^(2)=16$

Solve for x

Divide by $25$ both sides

$25x^(2)/25=16/25$

$x^(2)=16/25$

Square root both sides

$x=(+/-)\sqrt{(16)/(25)}$

$x=(+/-)(4)/(5)$

25x2 = 16
x^2 = 16/25
x^2 = 4^2/5^2
x = 4/5

A restaurant chef ordered 4 pounds of beef at $3.25 per pound, 6 pounds of potatoes at $1.96 a pound, and 5 pounds of carrots at $1.81 per pound. He estimates that this will make 28 meals. If he charges $20 per meal, how much profit will he make for each meal?

Answers

Answer:

Profit = $18.8 per meal

Step-by-step explanation:

Chef ordered beef = 4 pounds

Cost of beef = $3.25 per pound

Total cost of beef = 4 × 3.25 = $13

Amount of potatoes ordered = 6 pounds

Cost of potatoes = $1.96 per pound

Total cost of potatoes = 6 × 1.96

= $11.76

Amount of carrots ordered = 5 pounds

Cost of carrots = $1.81 per pound

Total cost of carrots = 5 × 1.81 = $9.05

Total amount of beef, potatoes and carrots = $13 + $11.76 + $9.05

= $33.81

Number of meals prepared with material purchased = 28

Per meal cost = $(33.81)/(28)$ = $1.2075

Selling price of one meal = $20

Profit per meal = Selling price - Cost price

= 20 - 1.2075

= 18.7925

≈ $18.8

Therefore, he will make $18.8 for each meal.