I need help pls with this

Answer:

43º

Step-by-step explanation:

Angles in a straight line = 180º so:

180 - (90+47) = 43º.

Alternate angles are equal so the x is also 43º.

Answer: 3.25 L

Step-by-step explanation:

0.25 x 13 days = 3.25

Answer:

-7

Step-by-step explanation:

(-3)×(5-7)-(39/3)

First solve the ones within the brackets

(-3)×(-2)-13

Then solve the multiplications and the divisions

6-13

= -7

Answer:

• No

• Yes

• Yes

• No

Step-by-step explanation:

To determine if the 4 given values of y are solutions to the inequality, start by solving the inequality. Solving an inequality is just like that of an equation, except that the direction of the sign changes when the inequality is divided by a negative number.

-2y +7≤ -5

Subtract 7 on both sides:

-2y≤ -5 -7

-2y≤ -12

Divide by -2 on both sides:

y≥ 6

This means that the solution can be 6 or greater than 6.

-10 and 3 are smaller than 6 and are not a solutions, while 7 and 6 satisfies the inequality and are therefore solutions.

_______

Alternatively, we can also substitute each value of y into the inequality and check if the value is less than or equal to -5.

Here's an example to check if -10 is a solution.

-2y +7≤ -5

When y= -10,

-2y +7

= -2(-10) +7

= 20 +7

= 27

Since 27 is greater than 5, it is not a solution to the inequality.

Answer:

The ratio for the triangle on the left is

9/12 which is .75

Just multiply 16 by .75 and the missing angle is 12

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

[tex] \textbf{Since it's a right angled Triangle we can } \\ \textbf{ use Pythagoras theorem } [/tex]

[ [tex] \textsf{Cos(29°)= 0.875} [/tex] ]

[tex] \textsf{I hope you understood the procedure} [/tex]

Answer: No, the events are not mutually exclusive

Work Shown:

P(A and B) = P(A) + P(B) - P(A or B)

P(A and B) = 0.51 + 0.79 - 0.66

P(A and B) = 0.64

Since the result is not zero, this means the events are not mutually exclusive.

Mutually exclusive events are ones that cannot happen at the same time. Example: getting a "2" and a "3" on the same roll of a number cube.

The approximate x-coordinates of the points of intersection of the given curves are 0 & 1.76, and the volume of the solid when rotated about the x-axis is 3.15 cubic units

The equations are given as:

y = ∛2x - x²

y = x²/(x² + 1)

See attachment for the graph of the above curves (equation)

From the attached curve, we have the following points of intersection

(x,y) = (0,0) and (1.76,0.76)

Remove the y coordinates

x = 0 and 1.76

Hence, the approximate x-coordinates of the points of intersection of the given curves are 0 and 1.76

The volume of the solid is calculated using:

V = π(R² - r²)

Where R and r are the outer and the inner radii, respectively.

In this case;

R = ∛2x - x²

r = x²/(x² + 1)

Using a calculator, we have:

V = 3.15

Hence, the volume of the solid when rotated about the x-axis is 3.15 cubic units

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Answer:

The outcomes of his 40 experiments are listed in the table, according to him there were 13 times there were two tails. Now simply multiply that times three considering the amount of expirement was tripled.

13 times 3 = 39

Answer:

135

Step-by-step explanation:

[tex]d = 45t[/tex]

[tex]d(3) = 45( 3) = 45 \times 3 = 135[/tex]

[tex]d(3) = 135[/tex]

I HOPE IT HELPED YOU

Answer:

135

Step-by-step explanation:

sub 3 in place of t then times and it 135

Any equation that starts with y =7x

Parallel lines have the same gradient.

(No options to choose from)

Hope this helps!

Any Equation start with y = 7x + c is parallel to given equation.

To determine whether or not two lines are parallel, the formula for parallel lines is used. When we have the slopes of two lines that we want to compare, we can use the parallel line formula. The parallel lines' distances never change.

Given Equation

y = 7x + 5

and line k

line k is parallel  to equation y = 7x + 5

for parallel lines

The formula for determining whether two lines are parallel is as follows for any two lines with the equations y = m₁ x + c₁ and y = m₂x + c₂:

where m₁ and m₂ are the slopes of the two lines. m₁ = m₂.

given equation y = 7x + 5,

here m₁ = 7 and c₁ = 5

the line which is parallel to equation should be

y = 7x + c

where m₂ = m₁ = 7 and c₂ = c

Hence equation y = 7x +c is parallel to given equation.

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The coordinates of the point P which divides the line segment AB made by the points A(-7,2) and B(9,-6) is  (x,y) = (5,-4)

Suppose that there is a line segment [tex]\overline{AB}[/tex]such that a point P(x,y) lying on that line segment [tex]\overline{AB}[/tex] divides the line segment  [tex]\overline{AB}[/tex] in m:n, then, the coordinates of the point P is given by:

[tex](x,y) = \left( \dfrac{mx_2 + nx_1}{m+n} , \dfrac{my_2 + ny_1}{m+n} \right)[/tex]

where we have:

We're given that:

Let the coordinate of P be (x,y), then we get the values of x and y as:

[tex](x,y) = \left( \dfrac{mx_2 + nx_1}{m+n} , \dfrac{my_2 + ny_1}{m+n} \right)\\\\(x,y) = \left( \dfrac{3(9) + 1(-7)}{3+1} , \dfrac{3(-6) + 1(2)}{3+1} \right)\\\\(x,y) = \left( \dfrac{20}{4} , \dfrac{-16}{4} \right) = (5,-4)[/tex]

Thus, the coordinates of the point P which divides the line segment AB made by the points A(-7,2) and B(9,-6) is  (x,y) = (5,-4)

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Using the binomial distribution, it is found that there is a 0.38 = 38% theoretical probability that all 6 bulbs will last for 4 months.

The formula is:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

In this problem, we have that:

The probability that all 6 bulbs will last for 4 months is P(X = 6), hence:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 6) = C_{6,6}.(0.85)^{6}.(0.15)^{0} \approx 0.38[/tex]

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Answer:

There is no question given here.

Answer:

Area (A)  0.0682

Step-by-step explanation:

The sketch for the region enclosed by the given curves can be found in the image attached below.

From the image below;

The two curves intersect in the area of tan 9x = 2 sin 9x

Recall that:

making x the subject; then:

The subdivision of the domain is in two intervals

where;

Area (A) =

Area (A) = 0.06818

Area (A)  0.0682

Answer:

aight so monkey monkey is monkey so if u put monkey and monkey together u get happy baby monkey did i explain myself?????

Step-by-step explanation:

Answer:

23 Cm(2)

Step-by-step explanation:

Sincerest Apologies if it is incorrect

if it's not 23 it may be:

26 Cm(2)

Answer: Pop up ads show up

Step-by-step explanation: because of them

Answer:

[tex]937.5 m x^{2} \\1369 cm x^{2} \\276mx^{2} \\17500mx^{2} \\270cmx^{2}[/tex]

Step-by-step explanation:

Soulution : Area of a triangle { Area Of A Triangle = 35m x 25m x 1/2 = [tex]437.5mx^{2}[/tex]  bottom x height x 1/2 }

Area of the squear ( [tex]37cmx^{2}[/tex] ) = [tex]1369cmx^{2}[/tex]  { Area of square = ( [tex]sidex^{2}[/tex]) }

Area of the rombus 1209 x 23m = [tex]276mx^{2}[/tex]

Area of the rectangle 175m x 100m = [tex]17500mx^{2}[/tex]

Area of the parallelogram 18cm x 15cm = [tex]270cmx^{2}[/tex]

Answer:

10√2

Step-by-step explanation:

We can form a triangle with the clues in the question, and use the formula A²+B²=C²

Now, we plug in our values.

5²+B²=15²

25+B²=225

B²=200

B=√200

√200 =√2x2x2x5x5 = 10√2

Answer: A

Step-by-step explanation:

Answer:

Men Women Total

Exercise less than 7 hours per week

Men:108

Women:81

Exercise 7 or more hours per week

Men:84

Women:27

Step-by-step explanation:

Answer:

0.43

Step-by-step explanation:

Just take out the % sign and divide it by 100.

For your example:

43%

Take out the percentage

43

Divide it by 100.

0.43

And there is your answer :)

Answer:

You should move the decimal 2 place

Step-by-step explanation:

43/100 = 0.43

Answer:

(2) x [tex]\geq \\[/tex] 4

Step-by-step explanation:

Given the sqrt(x),  x [tex]\geq \\[/tex] zero

So, given sqrt(x -4),  x -4 [tex]\geq \\[/tex] 0

Now solve for x

x - 4 [tex]\geq \\[/tex] 0

x [tex]\geq \\[/tex] 4

Answer:

[tex]y = -\frac{1}{3}x + 5[/tex]

Step-by-step explanation:

To being, slope intercept form is the infamous y = mx + b form. In which, m is equal to the slope and b is equal to the y-intercept. (1) To solve this, begin by finding two points of the line. One easy point to find is when x = 0 as it intersects with the y-axis. Two points are: (0,5) and (-3,6). (2) Next, use the slope formula to solve for the slope. The slope formula is [tex]\frac{y2-y1}{x2-x1}[/tex]. Plug in the y and x values;  [tex]\frac{6-5}{-3-0}[/tex]. Simpliify the fraction; [tex]\frac{1}{-3}[/tex] --> [tex]-\frac{1}{3}[/tex]. Therefore -1/3 is our slope. (3) To solve for b, the y-intercept, set up the slope-intercept equation with the newfound slope (y = -1/3x + b) and plug in a point for the y and x values. Doing this will isolate the b so you can solve for it.

6 = -1/3(-3) + b

6 = 1 + b

-1    -1

5 = b

Therefore the y-intercept (b) is 5. (4) The final step is to combine the information into the slope-intercept form; y = -1/3x + 5. Good luck!

Answer:

use the quadratic formula

Step-by-step explanation:

from the equation a=6 b=-14 c=-9

from the quadratic formula

[tex]x = ( - b {+ or - } \sqrt{ {b}^{2} + 4ac} ) \div 2a[/tex]

therefore insert in the values of a, b and c

[tex]x = ( - ( - 14) + or - \sqrt{ {( - 14)}^{2} + 4 \times 6 \times ( - 9)} ) \div 2 \times 6[/tex]

x=2.858148594

X=-0.52481526

after inserting

Answer:

Step-by-step explanation:

The two given numbers both have the denominator 5,  Thus the quotient quickly reduces:

11 4/5 becomes 59/5 and 3 1/5 becomes 16/5.  Dividing the first expression by the second yields 59/16, which can't be reduced.

However, 59 = 48 + 11, so 59/16 = 48/16 + 11/16, which is approximately 3 1/2 (from either Answer B or Answer C).

The exact answer is 3 11/16; B and C are identical and are closer to 3 11/16 thn 3 or 4.

First of all, we need to find the slope. In order to find the slope, we'll use the following formula :

[tex]\boxed{\\\begin{minipage}{2cm}slope \\ $\displaystyle\frac{y2-y1}{x2-x1}$\end{minipage}}[/tex]

[tex]\boxed{\\\begin{minipage}{2cm}$\displaystyle\frac{-31-35}{-6-5}$ \\ \end{minipage}}[/tex]

[tex]\boxed{\\\begin{minipage}{2cm}$\displaystyle\frac{-77}{-11} \\ \end{minipage}}[/tex]

Which simplifies to :

[tex]\text{Slope = 7 }[/tex]

Now that we know the slope, finding the point-slope equation is a piece of cake.

Remember Point-Slope :

[tex]\text{y - y1 = m(x-x1)}[/tex]

We're told to use the first point (5, 35) in our equation, so we'll do just that.

[tex]\LARGE\text{y - 35=7(x-5)}[/tex]

[tex]\mathsf{equation\:above}[/tex]

hope helpful ~