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3 years ago

Solve the following automotive-services problems based on the examples shown previously. Choose the correct answer.

Mathematics

2 answers:

Radda [10]3 years ago

7 0

Transmission must be in third gear as both are running at the same speed ! so third gear !!!

blondinia [14]3 years ago

7 0

Answer:

Transmission is in 3rd gear.

Step-by-step explanation:

It's given in the question that in first gear, or low gear, an automobile's engine runs about 3 times as fast as the drive shaft.

In 2nd gear the engine runs about 1.6 times faster than the shaft drive.

But in third or higher gear the engine runs at the same speed as the drive shaft.

Engine speed = Drive shaft speed = 2400 r.p.m.

Therefore, transmission is in 3rd gear.

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To what power must you raise the expression 7^1/2 to get 7 as the result?

Anvisha [2.4K]

Answer:

Step-by-step explanation:

(7^1/2)^2=7^(1/2*2)=7

4 0

2 years ago

a grocer stacks apples in a pyramid-like stack whose rectangular base is 7 apples by 5 apples. each apple above the first level

g100num [7]

The arrangement of the apples in the stack is in a sequence that can be

used to find the number of apples in each row and in the stack.

Correct response:

The number of apples in the stack are <u>85 apples</u>

<h3>How to find the sum of a sequence</h3>

The given parameters are;

Dimensions of apples in the rectangular base = 7 apples by 5 apples

Number of apples on which each apple above rests = 4 apples

Required:

The number of apples in the stack.

Solution:

The dimensions, length and width of the apples in each row decreases

by 1 compared to the row on which the apple rests, as follows;

In the base, the dimension = 7 by 5

In the row directly above, the dimension = (7 - 1) by (5 - 1)

The number of apples sequence continues and is completed by a singles row of apples at the top, from which gives;

Number of apples in the stack = 7 × 5 + 6 × 4 + 5 × 3 + 4 × 2 + 3 × 1 = 85

The number of apples in the tack = <u>85 apples</u>

Learn more about sequence and series here:

brainly.com/question/13043887

4 0

2 years ago

Li walks at a constant rate of 7 ft. in 4 seconds. The table shows the relationship of feet to seconds. What is the constant of

Kisachek [45]

Answer:

The rate is 1.75 feet/seconds or 105 feet/minute.

Step-by-step explanation:

Given that,

Li walks at a constant rate of 7 feet in 4 seconds

To find the constant of proportionality, divide 7 feet by 4 seconds.

So,

$k=\dfrac{7\ \text{feet}}{4\ \text{seconds}}\\\\k=1.75\ \text{ft/s}$

1.75 ft/s is the constant of proportionality

We know that, 1 minute = 60 seconds

k = 105 feet/minute

So, the rate is 1.75 feet/seconds or 105 feet/minute.

4 0

3 years ago

Help this is due today and I don’t know how to do it you please show me the steps:)

DochEvi [55]

Answer:

628 inches²

Step-by-step explanation:

the equation for surface area is SA=2(lw+lh+hw) so..

1. 2×(16×14 + 16×3 + 3×14)

2. 2×(224+48+42)

3. 2×314

4. 628

Hope this helps! :)

7 0

3 years ago

Points race! What is 4+4+7? Then add 1. Best answer gets brainliest, which rewards the whole 40 points.

UNO [17]

Answer:

Step-by-step explanation:

4+4+7. Based on PEMDAS, this contain only addition, so go from left to right

4+4 = 8. Continue +7

8+7= 15. Then add 1.

15+1= 16.

4 0

3 years ago