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3 years ago

34 + 10 + 100 = 12 x 12 Is this correct?

Mathematics

2 answers:

Neko [114]3 years ago

7 0

Answer:

yes

Step-by-step explanation:

i guess

Harrizon [31]3 years ago

4 0

Answer:ig so

Step-by-step explanation:34+10+100=144

12x12=144 same thing

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2x - 11 = -8x + 14<br> Simplify

Sauron [17]

Answer:

x = 2.5

Step-by-step explanation:

2x - 11 = -8x + 14

Add 8x to both sides

10x - 11 = 14

Add 11 to both sides

10x = 25

Divide both sides by 10

x = 2.5

7 0

3 years ago

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In the context of relationships between variables, increases in the values of one variable are accompanied by increases in the v

TiliK225 [7]

Answer: Directly proportional.

Step-by-step explanation:

The increase of one variable which causes the other variable to increase points to a directly proportional relationship between the two variables. Similarly, the decrease of one variable will cause a decrease in the other variable.

One variable can also be the constant multiple of the other. This means that if one changes, the other one will change in PROPORTION to it.

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3 years ago

If a vertical line is dropped from the x-axis to the point (12, –9) in the diagram below, what is the value of sec?

dem82 [27]

Answer:

Value of $\sec \theta = \frac{5}{4}$

Step-by-step explanation:

Given: A vertical line is dropped from the x-axis to the point (12, -9) as shown in the diagram below;

To find the value of $\sec \theta$ .

By definition of secants;

$\sec \theta = \frac{1}{\cos \theta}$

Now, first find the cosine of angle $\theta$

As the point (12 , -9) lies in the IV quadrant , where $\cos \theta > 0$

Consider a right angle triangle;

here, Adjacent side = 12 units and Opposite side = -9 units

Using Pythagoras theorem;

$(Hypotenuse side)^2= (12)^2 + (-9)^2 = 144 + 81 = 225$

$Hypotenuse = \sqrt{225} =15 units$

Cosine ratio is defined as in a right angle triangle, the ratio of adjacent side to hypotenuse side.

$\cos \theta = \frac{Adjacent side}{Hypotenuse side}$

then;

$\cos \theta = \frac{12}{15} = \frac{4}{5}$

and

$\sec \theta = \frac{1}{\cos \theta}= \frac{1}{\frac{4}{5}} = \frac{5}{4}$

therefore, the value of $\sec \theta$ is, $\frac{5}{4}$

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3 years ago

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What’s the algebraic expression to this please help !!!!

Wewaii [24]

2 × c ÷ 7 ÷ 2. This better?

8 0

3 years ago

Find the slope x intercept and y intercept of the line y equals 2x + 1

Ad libitum [116K]

(i) Slope is $m=2$

(ii) x - intercept is $\left(-\frac{1}{2}, 0\right)$

(ii) y - intercept is $(0,1)$

Explanation:

The given equation is $y=2x+1$

We need to determine the slope, x - intercept and the y - intercept

(i) Let us determine the slope of the equation.

Since, the equation is of the form $y=mx+b$ where m is the slope

Thus, comparing the equation $y=2x+1$ with the general form $y=mx+b$ , the slope is 2.

Thus, slope is $m=2$

(ii) Now, we shall determine the x - intercepts.

The x - intercept can be determined by substituting $y=0$ in $y=2x+1$

Thus, we have,

$0=2x+1$

$-1=2x$

$\frac{-1}{2} =x$

Thus, the x - intercept is $\left(-\frac{1}{2}, 0\right)$

(iii) The y - intercept can be determined by substituting $x=0$ in $y=2x+1$

Thus, we get,

$y=2(0)+1$

$y=0+1$

$y=1$

Thus, the y - intercept is $(0,1)$

6 0

3 years ago