Explain your answer

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Answer:

-5z - 2

Step-by-step explanation:

x - yz when x = -2 and y = 5

-2 - 5z

Since we don't have any like terms and an equal sign, we can't simplify any further.

Best of Luck!

Answer: 40,11

Step-by-step explanation:

larger number=a

smaller number =b

a+b=51

a=4b-4

4b-4+b=51

5b=51+4

5b=55

b=11

a=4*11-4=44-4=40

Answer:

A. 1000/1 = x/2500

Step-by-step explanation:

1000 g = 1 kg

Using ratios

1000 g         x g

------------ = --------------

1 kg             25 00 kg

Answer:

A. 1000/1 = x/2500

Step-by-step explanation:

KHD - DCM

Kilo - Hecta - Deca - Base - Deci - Centi - Mili

*When moving from left to right, each spot you pass multiplis your number by 10.

2500 kilo → x grams (base)

Proportions:

grams/kilos = x/2500

*For every 1 kilo, there is 1000 grams.

1000/1 = x/2500

Answer:

Chart A is represented by the graph.

Step-by-step explanation:

The first input - output ratio of 5 cars to 25 dollars represented in the graph rules out charts B and D.

Chart C is ruled out by the 30 input, $175 is not even represented by the y-axis of the graph.

This means that the only chart left is chart A.

AnsweI'm nauseous, I'm dyin'

(She ripped my heart right out)

Can't find her, someone to

(My eyes are all cried out)

Lost it, riots

Gunfire inside my head, I've

Lost it, riots

Gunfire inside my headr:

Step-by-step explanation:

Brad looks at a scatterplot that shows the correlation between the typical population's access to health insurance and the number of cars owned by each household in different parts of the country. A substantial positive association can be seen in the plot.

What are some examples of scatter plots?

The association between two sets of data is depicted by points on a scatter (XY) plot. Each dot in this illustration represents the weight and height of one individual. (The information is displayed as "Cartesian (x,y) Coordinates")

What is the purpose of a scatter plot?

Data points are plotted on a horizontal and vertical axis using scatter plots in an effort to demonstrate the degree to which one variable is influenced by another.

                 The values of the columns selected on the X and Y axes determine where each row in the data table is represented by a marker, whose position.

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Answer:Did you ever get a answer?? I need them badly! And if i dint turn this in my whole life is ruined!! Im sorry that i don’t have answers for you

Step-by-step explanation:

Answer:

part a is 24.3 miles part b is 24 miles part c is 1.3 miles part d is 50 miles part e is 0.65 miles part f is 5 miles

Step-by-step explanation:

HOPE THIS HELPS!

Answer:

58

Step-by-step explanation:

29 x 2 = 58

Havea great day!!

Please rate and mark brainliest!!

The linear equation we need to solve is:

$27.50*w = $309.99 - $144.99

And the solution is w = 6.

How to write and solve the equation?

We know that the cost of the gaming chair is $309.99.

To buy this, you already have saved $144.99, and save another $27.50 per week, then the amount you have after w weeks is:

f(w) = $144.99 + $27.50*w

So the linear equation we need to solve is:

$144.99 + $27.50*w = $309.99

To solve this we need to isolate w.

$144.99 + $27.50*w = $309.99

$27.50*w = $309.99 - $144.99

w = ($309.99 - $144.99)/$27.50 = 6

So they can buy the chair after 6 weeks.

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Answer:

Step-by-step explanation:

Let h(x) = y

The exponentail function is of the form :

\(y = ab^x\)

We have :

\(y_{_1} = ab^{x_{_1}}\\y_{_2} = ab^{x_{_2}}\\\\\implies \frac{y_{_1}}{y_{_2}} = \frac{ab^{x_{1}}}{ab^{x_{2}}} \\\\\implies \frac{y_{_1}}{y_{_2}} = \frac{b^{x_{1}}}{b^{x_{2}}} \\\\\implies \frac{y_{_1}}{y_{_2}} = b^{(x_1-x_2)}\)

Given points : (4, 9) and (5, 34.2)

We have:

\(\frac{34.2}{9} = b^{(5-4)}\\\\\implies 3.8 = b\)

Writing the equation with x, y and b:

\(y = ab^x\\\\\implies 9 = a(3.8^4)\\\\a = \frac{9}{3.8^4} \\\\a = 0.043\)

a = 0.043

b = 3.8

When x = 6, y will be:

\(y = (0.043)(3.8^6)\\\\y = 128.47\)

This is not the y value in the question y = 59.4

Therefore (6, 59.4) does not lie on the graph h(x)

Answer:

  Truck                 Car              Total

Female           5                      35                40

Male              27                     21                48

Total              32                     56                88

P(buying a car given a male )  =  21/88 = .238 ≈ 24%

Step-by-step explanation:

Let B  = Probability of buying a car and being male    21/88

Let M = Probability of being a male  =  48/88

P(B l M)   =  P(B and M) / P(M)   =   (21/88) / (48/88)  = 21/48  = .4375  = 44%

The area of the shaded parts is 1274π cm².

Given:
A bigger semicircle with center O and radius 14 cm.

Two identical circles inscribed inside the bigger semicircle.
We need to find the area of the shaded parts.

Calculate the area of the bigger semicircle.
Area of a circle = πr², so the area of a semicircle is (1/2)πr².
Area of the bigger semicircle \(= (1/2) \times \pi \times \sqrt{(14 cm) }\)

\(= 7\times \pi 196 cm ^{2}\)

= 1372π cm².
Determine the radius of the identical circles.
Since the two identical circles are inscribed inside the semicircle and touch each other, their radius is half the radius of the bigger semicircle.
Radius of identical circles \(= (1/2) \times 14 cm = 7 cm.\)
Calculate the combined area of the two identical circles.
Area of one identical circle = πr²

\(= \pi \times (7 cm^{2} )\)

= 49π cm².
Combined area of two identical circles \(= 2 \times49\pi cm^{2}\)

= 98π cm².
Calculate the area of the shaded parts.
Area of the shaded parts = Area of the bigger semicircle - Combined area of the two identical circles
Area of the shaded parts = 1372π cm² - 98π cm²

= 1274π cm².

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Answer:

x^2-6

Step-by-step explanation:

The solution to the inequality expression is n < -9

The inequality expression is given as

4n - 6(n + 1) > 12

Open the bracket in the above inequality expression

4n - 6n - 6 > 12

Evaluate the like terms

-2n > 18

Divide both sides by -2

n < -9

Hence, the solution to the inequality expression is n < -9

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Answer:

21.5

Step-by-step explanation:

Just find the find the difference between 34 and 77 (even though 34 is a negative) then half the answer.

Question 13.

Part (a).

Given the solution:

All real numbers

We have the expression:

3(4x + 2) = ________

Let's complete the equation in order to obtain the indicated solution.

For a solution to be all real numbers, the equation must be true.

hence, we have:

After solving we have:

0 = 0

This means the system has infinitely many solutions, therefore, the solution is all real numbers.

ANSWER:

3(4x + 2) = 3(4x + 2)

The number of strides the runner will make during 1 hour run will be =

10,800.

To calculate the distance or number of strides made by the runner in an

hour, the graph given above is considered as follows;

The y-axis which represents the number of strides is plotted against the x-axis which is the number of hours.

From the graph

20 minutes= 3600 strides

60 minutes = X strides

make X the subject of formula;

x= 3600×60/20

= 216000/20

= 10,800

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Answer:

two solutions

Step-by-step explanation:

i think...

Answer:

4.8

Step-by-step explanation:

Jamare has 23/5 pounds of gummy bears left after giving 1 2/5 pounds to his sister. This can also be written as a mixed number: 4 3/5 pounds of gummy bears.

What is the fraction?

A fraction represents a part of a number or any number of equal parts. There is a fraction, containing a numerator(upper value) and denominator(lower value).

If Jamare gave 1 2/5 pounds of gummy bears to his sister, he now has 6 - 1 2/5 pounds of gummy bears left.

To subtract the mixed number 1 2/5 from 6, we first need to convert the mixed number to an improper fraction.

To do this, we multiply the whole number (1) by the denominator (5) and add the numerator (2) to get 7. Then we put this over the denominator to get 7/5.

So, 1 2/5 = 7/5.

Now we can subtract 7/5 from 6 as follows:

6 - 7/5 = 30/5 - 7/5 = 23/5

Therefore, Jamare has 23/5 pounds of gummy bears left after giving 1 2/5 pounds to his sister. This can also be written as a mixed number: 4 3/5 pounds of gummy bears.

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Answer:

Step-by-step explanation:

\(y=\frac{1}{2} x-7\)

Answer:

y = 1/2x - 7

Step-by-step explanation:

The slope equation is: y = mx + b

m being the slope

b being the y-intercept

The problem says that the slope is 1/2, and says that it intersects negative y-axis, therefore the y-intercept is negative, so -7

Answer:

C. 5

Step-by-step explanation:

6=-3x+21

6=-3(5)+21

6=-15+21

6

In the quadrilateral ABCD and LBNM the corresponding angles and line segments are as follow,

∠A = ∠L, ∠D =∠M , ∠C = ∠N , and

AB = LB , CD = NM ,  DA = ML.

Quadrilateral ABCD rotates 180 degrees around point B,

New quadrilateral formed named LBMN

The corresponding angle after rotation of 180 degrees around B is equals to,

B remain at same position.

A rotates and point L take the position of A.

D rotates and point M take the position of D.

C rotates and point N take the position of C.

Corresponding angle to A is angle L.

Corresponding angle to D is angle M.

Corresponding angle to C is angle N.

Similarly corresponding segments are of ABCD and LBNM are

Line segment AB corresponds to line segment LB.

Line segment CD corresponds to line segment NM

Line segment DA corresponds to line segment ML.

Therefore, in the quadrilateral the corresponding angles and line segments are ∠A = ∠L, ∠D =∠M , ∠C = ∠N , AB = LB , CD = NM , and DA = ML.

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Answer: mhm Maybe import a photo because I don’t get u

Step-by-step explanation:

Answer:

Step-by-step explanation:

D

Answer:

D

Step-by-step explanation:

Let's look at the statement.

7y = 14x  and  y = 2x does have infinitely many solutions. Why? Because the first equation can be rearranged to look like the second one. If you divide 7y and 14x by 7, you end up with y = 2x. Look familiar? This means the set of equations has infinitely many solutions.

Answer:

ang 4 = 60°

Step-by-step explanation:

ang 1 and ang 4 are Linear pair or supplementary angles.

ang 1 + ang 4 = 180

120° + ang 4 = 180° (Putting the value of ang 1)

ang 4 = 180° - 120°

ang 4 = 60°

9514 1404 393

Answer:

  70 -91i

Step-by-step explanation:

Collect terms the same way you would if i were a variable.

  (3 -91i) +67 = (3 +67) -91i = 70 -91i