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lubasha [3.4K]
3 years ago
5

Pls help ASAP I need it for tomarrow

Mathematics
1 answer:
kozerog [31]3 years ago
8 0

Answer:

The answer is 140 cars .

Step-by-step explanation:

\frac{1}{5} × 300 = 60

\frac{1}{3} × 300 = 100

100 + 60 = 160

300 - 160 = 140

TEXT:

One-fifth of 300 is 60.  One-third of 300 is 100.  If you add both vintage and race cars you get 160.  the total, 300, minus the vintage and race cars, 160, is 140 cars.  

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The value of stock changes from $22 on Monday to $30 on Tuesday. Calculate the percent increase.
tatuchka [14]

22 + 22 x r = 30

22 x r = 30 - 22

r = 8 : 22

r = +36,36%

r = increase rate

6 0
2 years ago
Solve the following inequality in two ways and make a claim as to which
NikAS [45]

Answer:

The solution of the given inequality  n < 5

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given inequality

                     \frac{1}{4} (8 n -12 ) < n +2

<u><em>Step(i)</em></u>:-

 Cross multiplication '4' we get

                    8 n - 12 < 4 ( n +2)

                    8 n - 12 < 4 n + 4×2

                    8 n - 12 < 4 n +8

      Subtracting  '4 n ' on both sides, we get

                 8 n - 4 n - 12 < 4 n - 4 n +8

                 4 n - 12  <  8

<u><em>Step(ii):-</em></u>

Adding ' 12 ' on both sides , we get

                4 n -12 + 12 < 8 + 12

                               4 n < 20

Dividing "4' on both sides , we get

                                 n < 5

The solution is n < 5

<u><em>Conclusion:-</em></u>

The solution of the given inequality  n < 5

5 0
3 years ago
Suppose T: ℝ3→ℝ2 is a linear transformation. Let U and V be the vectors given below, and suppose that T(U) and T(V) are as given
ira [324]

Answer:

T(3u+2v)=(-10,29)

Step-by-step explanation:

T is a linear transformation, hence it is homogeneous (T(cr)=cT(r) for all real c and r∈ℝ³) and additive (T(r+s)=T(r)+T(s), for all r,s∈ℝ³). Apply these properties with r=3u and s=2v to obtain:

T(3u+2v)=T(3u)+T(2v)=3T(u)+2T(v)=3(-2,5)+2(-2,7)=(-6,15)+(-4,14)=(-10,29)

We don't have an explicit definition of T, so it's more difficult to compute T(3u+2v) directly without using these properties.

8 0
3 years ago
1.) Solve 2x^2-12x+20=0 using the quadratic solution set? What is the solution set?
marshall27 [118]
Please, share just ONE problem at a time.  Thanks.

<span>Solve 2x^2-12x+20=0:
Simplify this by dividing each term by 2:  x^2 - 6x + 10 = 0

Identify a, b and c:  a=1, b=-6 and c=10.  Then b^2=36.

Write out the solutions using the quadratic formula:

        6 plus or minus sqrt(36-40)
x = ---------------------------------------
                            2

sqrt(36-40) = sqrt(-4) = plus or minus i2

Then:
 
         6 plus or minus i2
x = --------------------------- (answer)
                  2</span>
4 0
3 years ago
Identify the domain and range
UkoKoshka [18]

Answer:

Domain: 1 ≤ x ≤ 4

Range : 1 ≤ f(x) ≤ 4

Step-by-step explanation:

The domain of a function f(x) is the limit within which the values of x varies.

Here, in the graph, it shows that the maximum value of x is 4 and the minimum value of x is 1.

Therefore, the domain of the function is 1 ≤ x ≤ 4

Again the range of a function f(x) is the limit within which the values of f(x) vary.

Here, the graph shows that the maximum value of f(x) is 4 and the minimum value of f(x) is 1.

Therefore, the range of the function f(x) is 1 ≤ f(x) ≤ 4. (Answer)

6 0
3 years ago
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