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Alenkasestr [34]

4 years ago

7

H is f × 2 r pla help

1 answer:

MariettaO [177]4 years ago

5 0

Answer:

step one 1 ×3 = 4

Step-by-step explanation:

how first fo ther

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Two cars leave towns 300 kilometers apart at the same time and travel toward each other. One car's rate is 16 kilometers per hou

julia-pushkina [17]

The cars travel with constant speed, and the equations of movement of each one are,

$x_1=v_1t$

$x_2=x_0-v_2t$

Where v_1=16 Km/h, v_2 is unknown, x_0 is 300 kilomters. As they meet in 2 hours, then t=2 and x_1=x_2, so,

$x=v_1t$

$x=x_0-v_2t$

Solving for v_2,

$v_2=x_0/t-v_1=134\ \ Km/h$

6 0

3 years ago

Simplify using the

MariettaO [177]

The answer is c. -4b + 4b

3 0

3 years ago

)Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the

konstantin123 [22]

Answer:

$a=\sqrt{7}$

$\text{tan}(A)=\frac{\sqrt{7}}{3}$

Step-by-step explanation:

Please find the attachment.

We have been given that ABC is a right triangle with sides of lengths a, b, and c and right angle at C.

To find the side length a, we will Pythagoras theorem, which states that the sum of squares of two legs of a right triangle is equal to the square of the hypotenuse of right triangle.

$a^2+b^2=c^2$

Upon substituting our given values in Pythagoras theorem, we will get:

$a^2+3^2=4^2$

$a^2+9=16$

$a^2+9-9=16-9$

$a^2=7$

Take square root of both sides:

$a=\sqrt{7}$

Therefore, the length of side 'a' is $\sqrt{7}$ units.

We know that tangent relates opposite side of a right triangle with adjacent side.

$\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}$

We can see that 'a' is opposite side of angle A and 'b' is adjacent side.

$\text{tan}(A)=\frac{a}{b}$

$\text{tan}(A)=\frac{\sqrt{7}}{3}$

Therefore, the value of tan(A) is $\frac{\sqrt{7}}{3}$ .

3 0

3 years ago

A clothing store uses comment cards to get feedback from its customers about newly added items. It recently introduced plus size

irga5000 [103]

Answer:

The percentage of customer would less likely to purchase next item is 26.2%

So, The nearest option will be (e).

Step-by-step explanation:

Given that,

The table of information is

Response = Very satisfied, Satisfied, less than fully satisfied and not satisfied

Frequency = 15, 30, 12 and 4

We need to calculate the total frequency

Using given frequency

$Total\ frequency = 15+30+12+4$

$Tota\ frequency = 61$

We need to calculate the total number of customers less or not fully satisfied

Using given data

$x = 12+4$

$x=16$

Where, x = total number

We need to calculate the percentage of customer would less likely to purchase next item

Using formula for percentage

$percentage\ of\ customer=\dfrac{total\ number\ of\ customer}{total\ frequency}\times100$

Put the value into the formula

$percentage\ of\ customer=\dfrac{16}{61}\times100$

$percentage\ of\ customer=26.2\%$

Hence, The percentage of customer would less likely to purchase next item is 26.2%

So, The nearest option will be (e).

6 0

4 years ago

In a survey, it was found that the ratio of the people who like modern songs and folk songs is 8:9. Out of which 50 people liked

Elza [17]

Step-by-step explanation:

1) see the attached picture;

2) 120+80=200 (persons).

PS. change the design according to local requirements.

3 0

3 years ago

Read 2 more answers