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3 years ago

Trigonometry help please

Mathematics

2 answers:

Nesterboy [21]3 years ago

5 0

Answer:

Thanks for points!

Step-by-step explanation:

hjlf3 years ago

4 0

Hellooooooooooooooo:)

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the frequency table shows the number of books some students read last summer. Based on the data in the table, which statement is

Whitepunk [10]

Answer:

A.) nine more girls read 6 or more than boys who read 6 or more books

Step-by-step explanation:

Let's examine the statements ...

a) 24 is 9 more than 15 . . . TRUE

b) 41 is 6 more than 36 . . . false

c) 32 is twice as many as 15 . . . false

d) 24 is twice as many as 48 . . . false

3 0

3 years ago

An artists builds a sculpture out of metal and wood that weighs 14.9 kilograms.3/4 of this weight is metal,and the rest is wood.

Softa [21]

Given is a sculpture that is built up of metal and wood, and the weight of this sculpture is 14.9 kilograms.

It says that three-fourth of the total weight is metal and says to find the weight of wooden part.

We can find the weight of metal part and then subtract it from the total weight to calculate the answer.

Total weight = 14.9 kilograms.

Metal part = three-fourth of total weight = $\frac{3}{4} *14.9=\frac{44.7}{4} =11.175 \;kilograms$

Wooden part = 14.9 - 11.175 = 3.725 kilograms.

Hence, the wooden part is 3.725 kilograms.

7 0

2 years ago

Read 2 more answers

Inequalities Word Problem:

OLEGan [10]

Answer:

37.5 hours.

Step-by-step explanation:

750-300=450

450/12= 37.5

Liza needs to work 37.5 hours.

To check work:

37.5*12=450

3 0

2 years ago

Graph f(x) =-2x^+16x-30 by factoring to find the solutions, then find the coordinates of the vertex, and the axis of symmetry. I

inn [45]

Answer:

See explanation

Step-by-step explanation:

1. Factor the function $f(x)=-2x^2+16x-30:$

$f(x)=-2x^2+16x-30=-2x^2+6x+10x-30=-2x(x-3)+10(x-3)=-2(x-3)(x-5).$

2. The zeros (or the solutions of the equation f(x)=0) are x=3 and x=5. So? points (3,0) and (5,0) are the points on the graph that are the solutions of the equation.

3. Find the vertex:

$x_v=-\dfrac{b}{2a}=-\dfrac{16}{2\cdot (-2)}=4,\\ \\y_v=-2\cdot 4^2+16\cdot 4-30=-32+64-30=2.$

Thus, the coordinates of the vertex are (4,2) and the axis of symmetry is the vertical line that passes trough the vertex: x=4.

3 0

2 years ago

Is there a solution to 0.21 (3x + 3) + 4 <br> =26

bonufazy [111]

Answer:

x = 33.92.

Step-by-step explanation:

0.21 (3x + 3) + 4 = 26

Distribute the 0.21 over the parentheses:

0.63x + 0.63 = 22

0.63x = 22 - 0.63

0.63x = 21.37

x = 21.37 / 0.63

x = 33.92 (answer).

3 0

2 years ago