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3 years ago

When driving a car with Anti-lock Brakes (ABS), if your brakes fail when you are trying to stop, you should

Mathematics

1 answer:

Alla [95]3 years ago

5 0

Answer:

Step-by-step explanation:

Applying the parking brake quickly is dangerous ..

from permit test I remember pump your brake pedal hard and fast. shift lower gear, and slowly apply parking brake.

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For a crane to lift the beam shown to the right, the beam and the two support cables must form an isosceles triangle with heigh

Fittoniya [83]

Answer:

The total length of the two cables is $2\sqrt{145}\ units$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABD

Applying the Pythagoras Theorem

$AB^{2}=BD^{2}+AD^{2}$

substitute the given values

$AB^{2}=9^{2}+8^{2}$

$AB^{2}=145$

$AB=\sqrt{145}\ units$

Remember that

AB=AC ----> because ABC is an isosceles triangle

The total length of the two cables is equal to

$AB+AC=2AB=2\sqrt{145}\ units$

3 0

3 years ago

2) Consider the quadratic sequence 72, 100, 120, 132

valina [46]

9514 1404 393

Answer:

Tn = -4n² +40n +36

Step-by-step explanation:

A graphing calculator readily performs the quadratic regression, yielding the formula ...

Tn = -4n² +40n +36

The first and second differences of the given sequence terms are ...

28, 20, 12 and -8, -8

The coefficient of the squared term is half the second difference, so is -4. Then the sequence of squared terms is -4n²:

-4, -16, -36, -64

Subtracting these values from the original sequence gives the linear sequence ...

76, 116, 156, 196

which has first term 76 and common difference 40. The equation for the n-th term of this is ...

an = 76 +40(n -1) = 36 +40n

Adding this linear sequence to the sequence of squared terms, we get ...

Tn = -4n² +40n +36

3 0

3 years ago

The value of x is .

devlian [24]

The value of x is 96.

7 0

4 years ago

Read 2 more answers

The 3rd multiple of the difference of 2 from x is equal to 15.

Dmitriy789 [7]

3(x-2)=15
Divide then by 3
X-2=5
Add 2
X=7

8 0

3 years ago

Read 2 more answers

The U.S. Senate has 100 members. After a certain election, there were 16 more Democrats than Republicans, with no other partie

mixer [17]

Answer:

34 Republicans 66 democrats

Step-by-step explanation:

so if there are 100 members evenly split, the 2 parties would each have 50

this is the starting point you add 16 to the democratic side resulting in 66 but then you take 16 from the Republican side making it 34

3 0

4 years ago