45. Anela and Jacob plan to attend a concert in Brady.

Anela will drive 375 km to Brady at a constant speed

of 75 km/hr, stopping one time for a 30-minute break.

Jacob will start 600 km from Brady and will drive at a

constant speed of 90 km/hr for 2 hours. He will take a

1-hour break and then drive to Brady at a constant

speed of 70 km/hr. To the nearest 0.1 hour, Jacob must

leave how much earlier than Anela in order for them to

arrive in Brady at the same time?

B. 2.5

C. 3.1

D. 3.5

Answers

Answer 1
I think the answer is C I hope I helped you
Answer 2

Jacob must leave 3.5 hours earlier than Anela to arrive at same time.

What is speed?

The distance traveled by an object in relation to the amount of time it takes to travel that distance is one way to define speed. Simply put, it is a measurement of an object's speed without providing direction. The term "velocity" refers to the speed at which we can obtain direction.

Given Anela distance to Brady = 375 km

speed of Anela = 75 km/hr

time taken by Anela is distance/speed

time taken by Anela = 375/75 = 5 hours

total time taken by time taken by Anela = 5 hours + 30 minute

30 minutes = .5 hours

total time taken by time taken by Anela = 5 hours + 0.5 = 5.5 hours

Jacob distance to Brady = 600 km

distance covered in 2 hours with speed 90 km/hr

= speed x time = 90 x 2 = 180 km

distance left = 600 - 180 = 420 km

time taken for 420 km at speed 70 km/hr

= 420/70 = 6 hours

total time taken by Jacob = 2 + 1 + 6 = 9 hours

difference in time of Jacob and Anela = 9 -5.5 = 3.5 hours

Hence Jacob should leave 3.5 hours early.

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Related Questions

What is the opposite of
[tex] \sqrt{3} [/tex]

Answers

Answer:

-1.73

Step-by-step explanation:

wolframalpha:///?i=opposite+of+√3

Additive inverse [tex]\sqrt{3}[/tex]

Nolan has $15.00 and earns $6.00 an hour babysitting. use the equation m=6h+15 to determine how much in dollars (m) Nolan has after any number of babysitting(h).

Answers

Answer:more than 15 and if he worked for 1h he will have 21$

Step-by-step explanation:

There are 115 flowers on 7 trees. What is the unit rate of the flowers per tree? How many flowers on 22 trees?

Answers

Answer: 16 flowers per tree, 352 flowers on 22 trees.

Step-by-step explanation:

115 flowers/ 7 trees= 16.4 flowers per tree

Since you can't have partial flowers, round down to 16 flowers per tree.

16 flowers per tree * 22 trees=352 flowers

Verify each identity
(sin(x))/(1 - cos(x)) - cot(x) = csc(x)

Answers

⟹sin2=1−cos2=(1−cos)(1+cos)
⟹sin1−cos=1+cossin=1sin+cossin=csc+cot

sinx1−cosx
=
1+cosxsinx=1
sinx+cosxsinx=cscx+cotx

Which inequality below satisfies the solution set graphed on the following number line?

Answers

Answer:

D.

Step-by-step explanation:

The function must have the range  -3 to 5.

2x^2 - 4x - 30

= 2(x^2 - 2x - 15)

= 2(x + 3)(x - 5)

so the critical points are -3 and 5.

When x = -2 f(x) = 2* 1 * -7 = -14 <= 0

when x = 4 f(x) = 2 * 7 * -1 <= 0.

when  x= 0  f(x) < 0

So its the last option.

309 × 29 the turtle head way​

Answers

the answer of 309 x 29 is 8,961

If i have an 86% in my math class and i got 2.8/10 on an assignment how much would my grade drop​

Answers

I’m not sure because it depends on how weighted your assignments are. If I were you I would find some way to retake it or ask your teacher if you can do some extra work to make up for it. Hope this helps :)

Im not sure how to solve this. Please help. ​

Answers

Answer:

B

hope it helps


Determine whether the equation is a linear equation. If so, write the equation in standard form.
13. y + 9 = -2x3

Answers

Answer:

y=[tex]-2x^{3}[/tex]-9

Step-by-step explanation:

Fill in the missing numbers to complete the pattern:
1.52, 1.77,
2.27,
2.77
Submit

Answers

Answer:

1.52,1.77,2.02,2.27,2.52+2.77

Step-by-step explanation:

The pattern is that it increases by 0.25

Hope this helps

Have a nice day! :D

Mark brainliest if possible

Pipe A can fill a tank in 5 hours. Pipe B can fill the same tank in 7 hours. If both pipes were open, how long would it take them to fill an empty tank?

Answers

Answer:

It would take them 6 hours to fill an empty tank.

Step-by-step explanation:

Add the amount of time it takes Pipe A and Pipe B to fill an empty tank together (5 + 7) and then divide your sum by two. You should get 12 / 2 = 6.

Hope This Helps!

Convert 6200 seconds into weeks. Round your answer to the nearest hundredth

Answers

Answer:

0.01 weeks

Step-by-step explanation:

1 min=60sec

1hr=3600sec

1 day = 86400sec

1 week= 604800sec

Therefore answer is 6200/604800= 0.01(approximated)

plsssssss answerrr pls plsssss

Answers

Answer:

20

Step-by-step explanation:

Answer:

20 times

Step-by-step explanation:

6 x 10^5 = 600000

3 x 10^4 = 30000

600000/30000 = 20

Please help !!!! I need this

Answers

Answer:

xy²/5= 2×1²/5 = 2/5

...........

Answer:

0.8

Step-by-step explanation:

1. 6.208 + 1.6 =
how to multiply and divide decimals

Answers

[tex]\\ \sf\longmapsto 6.208+1.6[/tex]

[tex]\\ \sf\longmapsto 1.600+6.208[/tex]

[tex]\\ \sf\longmapsto 2.208[/tex]

Just count 0 s at right

Find two numbers with a sum of 20 and a difference of 6

Answers

Answer:

So the answer is 13 and 7

Step-by-step explanation:

If we consider the case i.e. second-first =6

Divide.

(−14)÷(−34)

What is the quotient?

Enter your answer as a simplified fraction in the box.

Answers

Answer:

[tex] \frac{7}{17} [/tex]

Step-by-step explanation:

(-14) ÷ (-34)

14/34

= /17

The quotient of the division will be 0.41. And the solution of the division (−14) by (−34) would be 7/17  as a simplified fraction.

How can we interpret the division?

When 'a' is divided by 'b', then the result we get from the division is the part of 'a' that each one of 'b' items will get. Division, thus, can be interpreted as equally dividing the number that is being divided in total x parts, where x is the number of parts the given number is divided.

We need to divide the mixed fraction with integers, So

(-14) ÷ (-34)

The common denominator we can calculate as the least common multiple of the denominators then we get

14/34

= 7/ 17

= 0.41

Thus, the quotient of the division will be 0.41

Therefore, the solution of the division (−14) by (−34) would be 7/ 17  as a simplified fraction.

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Find the x- and y-intercepts.
3.
8x + 7y= 28

Answers

Answer:

dees nuts

Step-by-step explanation:

To find the intercepts, substitute 0 for x to solve for y. And substitute 0 for the value of y to solve for x. You will have 2 equations and two answers. I got:
x= 7/2
y=4

Square ABCD has points A(5, 10) and B(-4, 3). What is the slope of line segment BC?

Answers

Given the square ABCD with points A(5, 10) and B(-4, 3), the slope of the line segment BC is 7/9

The formula for calculating the slope of a line is expressed as:

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Given the coordinate point  A(5, 10) and B(-4, 3)

Substituting the given coordinate into the formula for slope

[tex]m=\frac{3-10}{-4-5}\\m=\frac{-7}{-9}\\m=\frac{7}{9}[/tex]

Hence the slope of the line segment BC is 7/9

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I need the answers asap

Answers

Answer:

1. B

2. G

3. D

4. C

Step-by-step explanation:

1.

-(7x-8) = 2-5x

-7x + 8 = 2 - 5x

-2x + 8 = 2

-2x = -6

x = 3

2.

5(3+2x) = 10x-4

15 + 10x = 10x - 4

No Solution

3.

x+5 = (3x+13) / 2

x + 5 = 1.5x + 6.5

x = 1.5x + 1.5

-0.5x = 1.5

x = -3

4.

2 + 6x = 2(3x + 2) - 2

2 + 6x = 6x + 4 - 2

2 + 6x = 6x + 2

Infinite Solution

PLZZZZZ HELP ME ILL MAKE YOU BRAINLIEST ANSWER PLZZZZZZ THANKYOUUU!!!!!!

Answers

Answer: what do you need help on?

Step-by-step explanation:

phân tích các đa thức:
x^3+3x^2+3x+1

Answers

Please find attached photograph for the solution of your question.

What are the correct answers to this geometry question?

Answers

Answer:

anong grade po yan?

baka alam ko po

Which statement best describes a scatter plot

Answers

Answer:

a scatter plot shows how strongly two variables are related.

a scatterplot, also known as scatter graph is a graphic representation of the relationship between two numerical variables. One of the variables is represented on the horizontal axis (x-axis) while the other is represented on the vertical axis (y-axis).

10+3c≤1 ????????????????????????

Answers

Answer:

c<-3

Step-by-step explanation:

move the constant to the right-hand side and change its sing

Then canculate the difference

Then divide both sides for the inequality of 3

Encuentra el perímetro de la circunferencia cuyo diámetro es de 6 cm

Answers

Answer:

Circumference = 2*pi*r

Diameter = 6 cm

Radius = 3 cm

Circumference = 2*22/7*3

= 18.85 cm.....

Step-by-step explanation:

Hope this helps you....

Pls mark me brainliest....

Can you help me please.

Answers

Step-by-step explanation:

ranges are,

-1 , -11 and 7

hope this answer helps you dear!

Answer:

R = { - 11, - 1, 7 }

Step-by-step explanation:

Substitute the values from the domain into f(x) for range

f(2) = - 2(2)² + 7 = - 2(4) + 7 = - 8 + 7 = - 1

f(- 3) = - 2(- 3)² + 7 = - 2(9) + 7 = - 18 + 7 = - 11

f(0) = - 2(0)² + 7 = - 2(0) + 7 = 0 + 7 = 7

Then

R = { - 11, - 1, 7 }

Over 25.5 days a ponds water level changed by a average of -0.32 centimeter each day what was the total change in the water level

A:10.55
B:-8.16
C:8.16
D:-10.55

Answers

If over 25.5 days a ponds water level changed by a average of -0.32 centimeter each day the total change in the water level will be:  C:8.16

Centimeter each day=-0.32

Days of changed in water level=25.5 days

Now let determine total change in the water level

Total change=25.5 days × (-0.32)

Total change=8.16 centimeter

Inconclusion if over 25.5 days a ponds water level changed by a average of -0.32 centimeter each day the total change in the water level will be:  C:8.16

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Insect Species- The number of species of a particular type of
insect depends on the size of the insect according to the formula
f(m) 40m-0.6, where m is the mass in grams. Find and inter-
pret f'(0.01).

Answers

Answer:

F- 18 Hz. = 19m 2.

Step-by-step explanation:

3x+3<36
pls help i’m not sure what it is

Answers

Answer:

Step-by-step explanation:

get the x alone by subtracting 3 from each side.

3x+3-3<36-3

3x<33

divide by three

3x/3<33/3

x<11

Hello There!

Solving inequalities is almost like solving equations.

x<11.

Let me explain step-by-step.

3x<36-3

3x<33

x<11

We must isolate x.

x < 11 means x is less than 11.

It could be 10, -100, as long as it is less than 11, it would make the inequality true.

Let's verify.

3(10)+3<36

30+3<36

33<36

It's true, isn't it?

Hope it helps! :)

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