26=7(g−9)+1226, equals, 7, left parenthesis, g, minus, 9, right parenthesis, plus, 12

Answer:

21

Step-by-step explanation:

You are 14 right now if you were 7 yo 7 years ago. Add 7 more years to 14 and you get 21

When you multiply 4 with any number, you can use the doubling-up trick (that's the one you used for the two times table) twice. Here is an example: 2 x 4 is the same as 2 + 2 = 4 and then 4 + 4 = 8. So, 2 x 4 = 8.

Here is next double, double example are: 5 x 4 is the same as 5 + 5 = 10, so then 10 + 10 = 20. So, the answer is 5 x 4 = 20.

Here, is the table of four.

4×1=4

4×2=8

4×3=12

4×4=16

4×5=20

4×6=24

4×7=28

4×8=32

4×9=36

4×10=40

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Yvonne can either run 3/8 part of 2/8 part of the race before stopping for water and then continue to finish the race.

Yvonne has completed 3/8 part of the race. Hence, the remaining part of race is 5/8 parts. Based on the diagrammatic representation of fraction of the race, she can choose among the two ways to stop for drinking water one more time before finishing the race.

Either she can run 3/8 part of the race more and then drink the water followed by finishing the race. Or, she can run 2/8 part of the race more before drinking water and finishing the race.

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The complete question is attached in figure.

Answer:

The third one

Step-by-step explanation:

a lot of triangled have a long base and equal smaller sides

thats a weird question though

Answer: B. statistic

Step-by-step explanation: A characteristic, usually a numerical value, which describes a sample, is called a statistic.

The arc length of the arc intercepted by an angle of 155° of a circle of radius 11.9 cm is 32.2 cm

The arc length is the portion of the circumference of a circle swept by radius by making some angle at the center. If this angle is measured in degrees say some α degrees, then the arc length is given by the formula:

Arc length = (α/360°)*(2πr) ,   where r is the radius of the circle

Given that a circle if of radius 11.9 cm and arc on its circumference is intercepted  by an angle of 155° , r =11.9 and α   = 155°

Then the arc length = (155°/360°)*(2π(11.9)) = (155*2*22*11.9)/(360*7)= 32.2 cm

Therefore, the arc length is 32.2

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Answer:

0.461538

Step-by-step explanation:

brainlest pls im try to rank up to ace

\(\huge\text{Hey there!}\)

\(\mathsf{13x = 6}\)

\(\huge\textsf{DIVIDE 13 to BOTH SIDES}\)

\(\mathsf{\dfrac{13x}{13}=\dfrac{6}{13}}\)

\(\rm{CANCEL \ out: \dfrac{13}{13} \ because \ that \ gives \ you \ 1}\)

\(\rm{KEEP: \dfrac{6}{13} \ because \ that \ gives \ you \ the \ value \ of \ x}\)

\(\boxed{\boxed{\mathsf {Answer: x = \bf \dfrac{6}{13}}}}\huge\checkmark\)

\(\boxed{\textsf{or you could say \boxed{\mathsf{x = \underline{\bf 0.461538}}} they both equal to the same thing}}\huge\checkmark\)

\(\large\text{Good luck on your assignment and enjoy your day!}\)

~\(\frak{Amphitrite1040:)}\)

3. constant - D. a numerical value

2. coefficient - A. the constant preceding the variables in a product

4. expression -E. a mathematical phrase....

5. variable - B. a letter... representing an unkown

1. algebraic expression - C. a mathematical expression...

Answer: Don’t know

Step-by-step explanation: There is no x^2 that could equal 80. Why? Because the closest answer you can get is 9–which equals 81. I mean, I’m sure there is an actual answer, but it’d be a terminating decimal and you’d have to waste your time using a calculator to figure it out.

Answer:

8.94

√x^2= √80

x=8.94

Answer:

y=4

Step-by-step explanation:

hello :

Y-3 (4-2Y) = 16​

y-12+6y = 16​

7y-12=16

so :7y =12+16

7y=28

y=28/7 =4

Answer:

If a polygon has three sides, then it must be a triangle.

Step-by-step explanation:

use if-then statements to make it biconditional  

9514 1404 393

Answer:

  (x, y, z) = (124, 112, 42)

Step-by-step explanation:

Opposite angles in an inscribed quadrilateral are supplementary, so ...

  y° = 180° -68° = 112°

The angle marked 71° subtends an arc twice that measure, so ...

  2(71°) = 100° +z°

  z° = 142° -100° = 42°

The angle marked y° subtends an arc twice that measure, so ...

  2y° = 100° +x°

  x° = 2(112°) -100° = 124°

Answer:

You don't give the graph options, but the slope is 2 and the y intercept is

(0, -1)

Step-by-step explanation:

It would look something like this-

(in the screenshot attached)

Answer:

L

Step-by-step explanation:

Answer:

Step-by-step explanation:

#19. m∠JML = 126°

#20. \(P_{JKLM}\) = 50 units

Rounded to one decimal place, the volume of the prism is approximately 0.0 liters.

To find the volume of the prism, we multiply the length (l), width (b), and height (h) together.

Given:

l = 0.15

b = 40 mm

h = 20 cm

First, let's convert the measurements to the same unit for consistency. We'll convert mm to cm for the width.

b = 40 mm = 4 cm

Now, we can calculate the volume:

Volume = l * b * h

Volume = 0.15 cm * 4 cm * 20 cm

Volume = 12 cm³

To convert the volume to liters, we divide by 1000 since there are 1000 cm³ in 1 liter:

Volume = 12 cm³ / 1000 = 0.012 liters

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10 ball bearings can be made from  from 5.24 cm^3 of steel

We can get the  radius from diameter of 1cm as  r=d/2=0.5cm

The volume V of one ball bearing can be calculated using the equation below

is: V=(4/3)*pi*r^3

If we input the values , we have

 V=(4/3)*3.14*(0.5)^3cm^3

=0.524cm^3.

Then to get the number of bearing , let us  divide the volume of steel by the volume of the ball bearing which gives us

5.24/0.524

=10.

Therefore,   10 ball bearings can be made from  from 5.24 cm^3 of steel.

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Assuming the track is straight, the distance at which they are apart one hour before they meet is; 30 km

We are told that a Nonstop trains leave Toronto and Montreal at the same time each day going to the other city along the main line.

Speed of Train 1 = 120 km/h

Speed of Train 2 = 90 km/h

Time spent by train 1 = 1 hour

Time spent train 2 = 1 hour

Formula for distance is;

Distance = Speed * time

If they leave the same time each day, it means that;

Distance of train 1 = 120 * 1 = 120 km

Distance of train 2 = 90 * 1 = 90 km

Thus, distance at which they will be apart before meeting each other is;

Distance apart = 120 - 90

Distance apart = 30 km

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Answer:

So what is the question?

Step-by-step explanation:

So what is the question?So what is the question?So what is the question?So what is the question?So what is the question?So what is the question?

The rate of change means that the designer hourly charge is $55 per hour

Linear equation

A linear equation is in the form:

y = mx + b

Where y, x are variables, m is the rate of change and b is the initial value of y.

Let y represent the total cost of hiring the designer after x hours.

From the table, using the point (0, 125) and (15, 950):

The rate of change means that the designer hourly charge is $55 per hour

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Answer:

3 more girls than boys.

Step-by-step explanation:

Let's change 4:5 to 4x(boys) and 5x(girls).

Since there are 27 students, the equation would be:

4x+5x=27

Then, you simplify the equation:

9x=27

x=3

We are not finished yet!

Since there is 4x boys and 5x girls,

do 4 times 3 which gets you 12 boys

and 5 times 3 which gets you 15 girls.

15 girls minus 12 boys is 3 more girls than boys!

Hope this helps :)

The margin of error of the 99% confidence interval is given as follows:

0.0549 = 5.49%.

A confidence interval of proportions has the bounds given by the rule presented as follows:

\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)

In which the variables used to calculated these bounds are listed as follows:

The confidence level is of 99%, hence the critical value z is the value of Z that has a p-value of \(\frac{1+0.99}{2} = 0.995\), so the critical value is z = 2.575.

The margin of error is given as follows:

\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)

The parameters for this problem are given as follows:

\(n = 143, \pi = \frac{10}{143} = 0.0699\)

Hence the margin of error is of:

M = 2.575 x sqrt(0.0699 x 0.9301/143)

M = 0.0549 = 5.49%.

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Answer:

Step-by-step explanation:

he concept of direct variation is summarized by the equation below.

We say that yy varies directly with xx if yy is expressed as the product of some constant number kk and xx.

Cases of Direct Variation

However, the value of kk can’t equal zero, i.e. k \ne 0k  



​  

=0.

Case 1: k > 0k>0 (kk is positive)

If xx increases then the value of yy also increases, or if xx decreases then the value of yy also decreases.

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Case 2: k < 0k<0 (kk is negative)

If xx increases then the value of yy decreases, or if xx decreases then the value of yy increases.

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If we isolate kk on one side, it reveals that kk is the constant ratio between yy and xx. In other words, dividing yy by xx always yields a constant output.

k=y/x

kk is also known as the constant of variation, or constant of proportionality.

Examples of Direct Variation

Example 1: Tell whether yy varies directly with xx in the table below. If yes, write an equation to represent the direct variation.

Solution:

To show that yy varies directly with xx, we need to verify if dividing yy by xx always gives us the same value.

Since we always arrived at the same value of 22 when dividing yy by xx, we can claim that yy varies directly with xx. This constant number is, in fact, our k = 2k=2.

To write the equation of direct variation, we replace the letter kk by the number 22 in the equation y = kxy=kx.

When an equation that represents direct variation is graphed in the Cartesian Plane, it is always a straight line passing through the origin.

Think of it as the Slope-Intercept Form of a line written as

y = mx + by=mx+b where b = 0b=0

Here is the graph of the equation we found above.

Example 2: Tell whether yy varies directly with xx in the table below. If yes, write an equation to represent direct variation.

Solution:

Divide each value of yy by the corresponding value of xx.

The quotient of yy and xx is always k = - \,0.25k=−0.25. That means yy varies directly with xx. Here is the equation that represents its direct variation.

Here is the graph. By having a negative value of kk implies that the line has a negative slope. As you can see, the line is decreasing from left to right.

In addition, since kk is negative we see that when xx increases the value of yy decreases.

Example 3: Tell whether if yy directly varies with xx in the table. If yes, write the equation that shows direct variation.

Solution:

Find the ratio of yy and xx, and see if we can get a common answer which we will call constant kk.

It looks like the kk-value on the third row is different from the rest. In order for it to be a direct variation, they should all have the same kk-value.

The table does not represent direct variation, therefore, we can’t write the equation for direct variation.

Example 4:  Given that yy varies directly with xx. If x = 12x=12 then y = 8y=8.

Write the equation of direct variation that relates xx and yy.

What is the value of yy when x = - \,9x=−9?

a) Write the equation of direct variation that relates xx and yy.

Since yy directly varies with xx, I would immediately write down the formula so I can see what’s going on.

We are given the information that when x = 12x=12 then y = 8y=8. Substitute the values of xx and yy in the formula and solve kk.

We will use the first point to find the constant of proportionality kk and to set up the equation y = kxy=kx.

Substitute the values of xx and yy  to solve for kk.

The equation of direct proportionality that relates xx and yy is…

We can now solve for xx in (xx, - \,18−18) by plugging in y = - \,18y=−18.

Example 6: The circumference of a circle (CC) varies directly with its diameter. If a circle with the diameter of 31.431.4 inches has a radius of 55 inches,

Write the equation of direct variation that relates the circumference and diameter of a circle.

What is the diameter of the circle with a radius of 77 inches?

a) Write the equation of direct variation that relates the circumference and diameter of a circle.

We don’t have to use the formula y = k\,xy=kx all the time.  But we can use it to come up with a similar set-up depending on what the problem is asking.

The problem tells us that the circumference of a circle varies directly with its diameter, we can write the following equation of direct proportionality instead.

The diameter is not provided but the radius is. Since the radius is given as 55 inches, that means, we can find the diameter because it is equal to twice the length of the radius. This gives us 1010 inches for the diameter.

The equation of direct proportionality that relates circumference and diameter is shown below. Notice, kk is replaced by the numerical value 3.143.14.

The required experimental probability that the next batter will get a hit is 2/11.

A number that indicates how likely an event is to occur is called its probability. It is communicated as a number in the reach from 0 and 1, or, utilizing rate documentation, in the reach from 0% to 100 percent. The higher the probability, the more likely the event is to occur.

The experimental probability of an event happening is defined as the number of times the event occurs divided by the total number of trials or events.

In this case, we are given that 4 out of 22 batters have gotten a hit so far. Therefore, the experimental probability that the next batter will get a hit is:

P(hit) = Number of hits / Total number of batters

P(hit) = 4/22

Simplifying:

P(hit) = 2/11

Therefore, the experimental probability that the next batter will get a hit is 2/11.

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Answer:

0

Step-by-step explanation:

Smallest value of C would be when A = - 2 and B = - 2

\(\because C = (A - B) ^2 \\ \therefore C = \{ - 2- ( - 2) \}^2 \\ \therefore C = \{ - 2 + 2 \}^2 \\ \therefore C = \{ 0 \}^2 \\ \huge \red{ \boxed{\therefore C = 0}}\)

Answer:

Step-by-step explanation:

Given  functions:

As we see both function are same once roots cleared.

Correct choice is A

Step-by-step explanation:

Soo, answer is option (A.)