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3 years ago

A manufacturing company makes 1125 items every hour. which or these statements are true ? Check all that apply

Mathematics

1 answer:

Inessa05 [86]3 years ago

4 0

Answer:

I need to see the statements to answer your question

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Andrea has four times the number of marbles that Jennifer has. If x equals the number of marbles that Jennifer has, which expres

sasho [114]

Answer:

Number of marbles Andrea has can be expressed as = $4x$ marbles

Step-by-step explanation:

Given:

Number of marbles Jennifer has = $x$ marbles

Andrea has 4 times the number of marbles that Jennifer has.

∴ Number of marbles Andrea has can be expressed as = $4\times x=4x$ marbles

7 0

3 years ago

What is the area of a parallelogram with a height of 6 feet and a base of 10.5 feet?

natta225 [31]

Answer:

$area = base \times height \\ = 10.5 \times 6 \\ = 63 \: {ft}^{2}$

5 0

3 years ago

Read 2 more answers

Suppose that Sin(θ)=5/13 and cos(θ)=-12/13. Find the value of tan(θ), cot (θ), CSC (θ), and sec (θ). Find the value of tan(2θ)

horrorfan [7]

Answer:

Because θ lies in quadrant II, 2θ must lie in quadrant IV. This means the tangent of 2θ is negative.

The adjacent side to θ is 7 because √(25²-24²)=7, so tanθ=7/24.

The double angle formula for tangent is tan 2θ = (2 tan θ) / (1 − tan² θ).

Substituting the value for tanθ in and keeping in mind that this is in quadrant IV, we get tan 2θ = -(2(7/24)/(1-(7/24)²)).

Simplified, this becomes tan 2θ = -336/527.

Therefore, the answer is C. -336/527.

5 0

3 years ago

Which of the following is a solution of x^2 2x = −2?

dem82 [27]

$x^2+2x=-2\\
x^2+2x+1=-1\\
(x+1)^2=-1\\
x+1=\sqrt{-1}\vee x+1=-\sqrt{1}\\
x=-1+i \vee x=-1-i
$

3 0

3 years ago

The equation of a parabola is y=x2+6x+9. Write the equation in vertex form.

nignag [31]

Answer:

Step-by-step explanation:

Vertex form is accomplished by completing the square on the quadratic. Do this by first setting the parabola equal to 0 then moving the constant over to the other side:

$x^2+6x=-9$

Now take half the linear term, square it, and add it to both sides. Our linear term is 6. Half of 6 is 3, and 3 squared is 9:

$x^2+6x+9=-9+9$

The reason we do this is to create a perfect square binomial on the left:

$(x+3)^2=0$ (obviously the 0 results from the addition of 9 and -9). Move the 0 back over to the other side and set the quadratic back equal to y:

$(x+3)^2+0=y$

This gives you a vertex of (-3, 0), which is a minimum value, since the parabola opens upwards.

6 0

3 years ago