I don't get this problem. Lila decided to make kore baked goods for the bake sale. She used 1 / 8 lb less flour to make bread than to make cookies. She used 1/4 lb more flour to make cookies than to make brownies. If she used 1/2 lb of flour to make bread , how much flour did she use to make the brownies?

Answers

Answer 1

Answer: Start by taking the information we know, and write equations to represent the realationships:

1) "1/8 lbs less flour to make bread than to make cookies"
$b=c-(1)/(8)$

2) "1/4 lb more flour to make cookies than to make brownies:
$c=w+(1)/(4)$

3) "she used 1/2 lb of flour ro make bread"
$b = (1)/(2)$

From here you can solve for $w$ using back substitution.

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The gravitational pull on Planet X is about 40% that of Earth’s. Would Planet X weigh more or less than Planet Earth?

Answers

Answer:

Planet X weighs less than planet earth

Step-by-step explanation:

Planet X will weigh less than planet earth because its gravitational pull is only 40% of planet earth . This means that planet earth is heavier than Planet X .

8) Write the equation of a line that is parallel to y = 2x + 3 and passes through the points (0,4)

Answers

Answer:

y = 2x + 4

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 2x + 3 ← is in slope- intercept form

with slope m = 2

Parallel lines have equal slopes, thus

y = 2x + c ← is the partial equation

Note this line passes through (0, 4) ⇒ c = 4

y = 2x + 4 ← equation of parallel line

Each day, Martin lifts weights for 10 minutes and runs on the treadmill for 25 minutes. Wrire two equivalent expressions and then find the total minutes that Martin exercises in 7 days.

Answers

10 x 7 = ?(70) 25 x 7 = ?(175) 175 + 70 = 245

Final answer:

Martin spends 35 minutes exercising daily. Two equivalent expressions to find his exercise time in 7 days are '7 * 35' and '(7 * 10) + (7 * 25)'. Thus, Martin exercises for a total of 245 minutes in 7 days.

Explanation:

First, let's determine the total amount of time Martin exercises daily. He lifts weights for 10 minutes and runs on the treadmill for 25 minutes. Thus, the total time he spends exercising each day is 10 minutes (weightlifting) + 25 minutes (treadmill) = 35 minutes.

Two equivalent expressions for Martin's total exercise time in 7 days can be represented as:

7 (days) * 35 (minutes/day)
(7 days * 10 minutes/day) + (7 days * 25 minutes/day)

In both cases, they lead to the same conclusion. Hence, the total time Martin spends exercising in 7 days is 7*35 =245 minutes.

Learn more about Mathematics (Time calculation) here:

brainly.com/question/26854035

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Kayla earns 6.5% in commissions on her home sales. She also earns a yearly salary of $12000. She would like to earn a total of $45000 per year. What is the total value of the homes she must sell to achieve her goal? Show the work on how you solve it please, it will be very much appreciated :)

Answers

0.065s+12000=45000

This is the formula you would use. Where 0.065 is 6.5% in decimal form, s is the value of the homes she must sell, 12000 is her yearly salary and 45000 is the total she wants to earn.

0.065s+12000=45000
-12000 -12000
0.065s=33000
-------- --------
0.065 0.065
s=507,692.31 (rounded to the nearest hundredth)

The total value of the homes she must sell to earn a total of $45000 is $507,692.31

If they went 5 km in 1 1/2 hours what was their rate?

Answers

ratio=number of Km / number of hours

Data:
Number of Km=5 Km
Number of hours=1 1/2 hour=1.5 hour.

Ratio=5 km/1.5 hour=3.333... km/h≈3.33 km/h.

Answer; their ratio was 3.33 Km/h.

If they went five km in 1&1/2 hours then their rate would be:
$(5)/(1&1/2)$ = 5÷ $(3)/(2)$ = 5× $(2)/(3)$ = $(10)/(3)$ =3 $(1)/(3)$

so 3 $(1)/(3)$ km per hour

On the blueprint of a house, 28 millimeters represents 6 meters. The actual length of the living room is 9 meters. What is its length on the blueprint?

Answers

Answer:

Step-by-step explanation:

The length of the house's blueprint is a total of 9,000 millimeters.

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