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3 years ago

Graph the line represented by x = -3

Mathematics

1 answer:

olganol [36]3 years ago

8 0

It's going to be graphed at coordinate (0,-3)

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Erika worked 14 hours last week and 20 hours this week. If she earns $9 per hour, how much did she earn these two weeks?

kondor19780726 [428]

If you add 14 and 20 youll get her total amount of hours then you multiply her hours by 9 and your answer is 306%

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3 years ago

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Simplify the polynomial by combining like terms. 3.63x2 - 4.54x + 7.96x2 +9.85 -3.12x

Brums [2.3K]

Answer:

11.59x² -7.66x + 9.85

Step-by-step explanation:

3.63x² - 4.54x + 7.96x² +9.85 -3.12x

11.59x² -7.66x + 9.85

7 0

3 years ago

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Kacey is making a bracelet that is 8 inches long. She uses 1 green bead at each end of the bracelet. She also uses 1 green bead

Effectus [21]

Answer:

The answer would be C. 5

Step-by-step explanation:

5 0

3 years ago

Order the following numbers from least to greatest. 64 cubicle root 18 cubicle root 4.2

Mrrafil [7]

It would be 4.2, 19 cubic root, and 64 cubic root (least to greatest)

3 0

3 years ago

Sec squared 55 - tan squared 55

sergejj [24]

Answer:

sec squared 55 – tan squared 55 = 1

Explanation:

Given, sec square 55 – tan squared 55

We know that,

$\sec \Theta=\frac{\text {hypotenuse}}{\text {base}}$

And,

$\tan \theta=\frac{\text { perpendicular }}{\text { base }}$

where Ө is the angle

Substituting the values

$\left(\frac{\text {hypotenuse}}{\text {base}}\right)^{2}-\left(\frac{\text { perpendicular }}{\text {base}}\right)^{2}$

Solving,

$\frac{(\text {hypotenuse})^{2}-(\text {perpendicular})^{2}}{(\text {base}) *(\text {base})}$

According to Pythagoras theorem,

$\text { (hypotenuse) }^{2}-\text { (perpendicular) }^{2}=(\text { base })^{2}$

Putting this in the equation;

squared 55 - tan squared 55 =

$\frac{(\text {hypotenuse})^{2}-(\text {perpendicular})^{2}}{(\text {base}) *(\text {base})}=\frac{(\text {base})^{2}}{(\text {base}) *(\text {base})}=1$

Therefore, sec squared 55 – tan squared 55 = 1

6 0

3 years ago