Please Help asap!!! Please give explanation

Answer:

The answer is 14

Step-by-step explanation:

Point A to Point B is 3

Point C to Point D is 3

Point B to Point c is 4

Point D to point A is 4.

Add all those together to get 14

Answer:

the answer is 14

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Answer:

see below

Step-by-step explanation:

x ≥11

Since there is an equals sign we have a closed circle at 11

X is greater so the line goes to the left

Answer: The second graph

Step-by-step explanation: X must be greater than 11 and the filled in circle means it could also be 11.

Answer:

Answer D

Step-by-step explanation:

First of all, you see that the shape moves down 4 units, which means that (x, y - 4) works. Then, you see it being flipped over vertically, which means it's going over the y-axis. You see that the last answer is the one that works.

Answer:

The inequality x < 9 or x ≥ 14 can be used to represent the hourly wage, x, of each employee at a store. Which are possible values for x? Select two options.

$8 .   YES

$9 .    HELL NO

$11 .   DEFINITLY NOT

$13 .  GET OUTTA HERE

$14 .   MMM YES

Step-by-step explanation:

Answer:

A and E or 8, 14

Step-by-step explanation:

Answer:

23.8

Step-by-step explanation:

V = 4/3 π r³

V = 4/3 π (15)³

V = 4500 π

V = 4/3 π r³

4500 π / 2 = 4/3 π r³

1687.5 = r³

r ≈ 11.9

d ≈ 23.8

Answer:

23.8 is the diameter.

Step-by-step explanation:

Answer:

Slope is -0.4 or 2/5

Step-by-step explanation:

x , y   x^2,y^2

(-1,4)   (14,-2)

y^2-y^1/x^2-x^1

-2-4/14-(-1)

-6/15

=-2/5 or -0.4.

Hope this helps. If right pls give me brainliest thank you.

Answer:

it is -2/5

Step-by-step explanation:

Answer: 35 m3

Step-by-step explanation:

Hi, to answer this question, first we have to calculate the base of the pyramid:

Base area = 1/2x base length x height

Base area = 1/2 x 6 x 5 = 15 m2

Volume of a pyramid = 1/3 x base area x height

Replacing with the values given:

V = 1/3 x 15 x 7 = 35 m3

Feel free to ask for more if needed or if you did not understand something.  

Answer:

x=20 seats, y=29 seats

Step-by-step explanation:

y-x=9    y=9+x

2x+y=69  solve by substitution

2x+9+x=69

3x=69-9   3x=60

x=60/3=20 (small van)

y=9+x

y=29 (large van)

Answer : 20 in small , 29 in big as big van has 9 small van

Answer:

541.4 m²

Step-by-step Explanation:

Step 1: find m < V

V = 180 - (50+63) (sum of the angles in ∆)

V = 67

Step 2: find side length of XW using the law of sines

[tex] \frac{XW}{sin(V)} = \frac{XV}{sin(W)} [/tex]

Where,

V = 67°

W = 63°

XV = 37 m

XW

[tex] \frac{XW}{sin(67)} = \frac{37}{sin(63)} [/tex]

Multiply both sides by sin(67) to solve for XW

[tex] \frac{XW}{sin(67)}*sin(67) = \frac{37}{sin(63)}*sin(67) [/tex]

[tex] XW = \frac{37*sin(67)}{sin(63)} [/tex]

[tex] XW = 38.2 m [/tex] (to nearest tenth)

Step 3: find the area using the formula, ½*XW*XV*sin(X)

area = ½*38.2*37*sin(50)

Area = 541.4 m² (rounded to the nearest tenth.

Answer:

26 ≤ x ≤ 39 where x is # of hours

Step-by-step explanation:

If we call the number of hours she works x, Nicole will have made 9.50x after x hours. Therefore, we can write the following compound inequality:

245.60 ≤ 9.50x ≤ 368.40 (Note that we use ≤ instead of <; "at least/most" is denoted by ≤ or ≥)

Dividing the entire inequality by 9.50 (to get rid of the coefficient on x, we get about 26 ≤ x ≤ 39. We round up to the nearest integer because you can't really have, say, 25.69 hours in this context, you would have 26.

Answer:

first option

Step-by-step explanation:

Given

| x + 4 | = 2

The absolute value function always produces a positive value but the expression inside can be positive or negative, thus

x + 4 = 2 ( subtract 4 from both sides )

x = - 2

OR

- (x + 4) = 2, distribute left side

- x - 4 = 2 ( add 4 to both sides )

- x = 6 ( multiply both sides by - 1 )

x = - 6

Thus solutions are x = - 2, x = - 6

These are represented on the graph by solid blue circles at x = - 2, x = - 6

The first option represents the solution

this is your answer..................

Answer:

Kevin is 6 years old and Daniel is 3 years old

Step-by-step explanation:

They are now 3 years apart but two years ago, they were 4 and 1 years old, so Kevin was 4 times older than.

Hope this helped :)

Answer:

a positive 1; negative 3 or 1

Step-by-step explanation:

To determine the number of positive roots, we have to determine the number of sign changes for f(x) = x⁴ + 2x³ - 3x² - 8x - 4.

The coefficients in f(x) are +1, +2, -3, -8, -4.

Since there is only one sign change from +2 to -3, we have 1 positive root.

To determine the number of negative roots, we have to determine the number of sign changes for f(-x) = (-x)⁴ + 2(-x)³ - 3(-x)² - 8(-x) - 4 = x⁴ - 2x³ - 3x² + 8x - 4

The coefficients in f(-x) are +1, -2, -3, +8, -4.

Since there is three sign change from +1 to -2, from -3 to +8, and from +8 to -4. So,we have 3 or 1 negative root, since the number of negative roots is equal to the number of sign changes or an even number less than the number of sign changes. So, 3 -2 = 1

So, the number roots are of positive 1; negative 3 or 1

Answer:

a.positive 1; negative 3 or 1

Step-by-step explanation:

EDGE 2020

Answer:

(5, 0) and (-3, 0)

Step-by-step explanation:

To find the x-intercepts, let's set y = 0.

0 = x² - 2x - 15

0 = (x - 5)(x + 3) -- To factor x² - 2x - 15, we need to find 2 numbers with a sum of -2 and product of -15; these numbers are -5 and 3.

x - 5 = 0 or x + 3 = 0 -- Use ZPP (Zero Product Property)

x = 5, x = -3

Answer:

x = -3 and x = 5.

Step-by-step explanation:

y = x^2 - 2x - 15

y = (x - 5)(x + 3)

The x-intercepts occur when y = 0. In this case, it's when either (x - 5) = 0, or (x + 3) = 0.

x - 5 = 0

x = 5

x + 3 = 0

x = -3

Hope this helps!

The equation is -1/5x-4 represented by the graph. The correct option is B.

The equation in mathematics is the relationship between the variables and the number and establishes the relationship between the two or more variables.

Let us check the equation -1/5x-4. The line goes down one and turns right 5. The Slope is -1/5x and the y-intercept is at -4. The graph of the equation is attached with the answer below.

Hence, option B is correct.

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Answer:

[tex]d + q = 20[/tex]

[tex]0.25d + 0.10q = 3.05[/tex]

Step-by-step explanation:

Given

Coins = 20

Value = $3.05

Required

Determine the equation that represent this

From the question, we have that

d = the number of dimes

q = the number of quarters

This implies that;

[tex]d + q = 20[/tex]

Also;

[tex]1 d=\$0.25\ \ and\ \\1 q= \$0.10[/tex]---------- Standard unit of conversion;

This implies that

[tex]0.25d + 0.10q = 3.05[/tex]

Hence, the equations are:

[tex]d + q = 20[/tex]

[tex]0.25d + 0.10q = 3.05[/tex]

Step-by-step explanation:

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Answer:

196 cm²-153.9375 cm² = 42.0625 cm ²

Step-by-step explanation:

First, solve for the whole 14^2 = 196 cm²

Now, we know it's lenths are the same so it's a square.

Lastly we need to deduct the quarter circle in the square. Use Formula A=πr² = A≈615.75 cm² /4 = 153.9375 cm²

Answer:

28 or 29

Step-by-step explanation:

8 more than 20 is 28 and it is less than 29

9 more than 20 is 29 and it is  equal to 29

Answer: false  but not sure

Answer:

Step-by-step explanation:

Given the width of a rectangle W = x centimeters

If the  length is 10 centimeters longer than the width, then L = (10 + x)cm

Perimeter of the rectangle = 220 cm

To calculate the length, we need to first calculate the value of x. Using he formula for calculating the perimeter of a rectangle to get x;

Perimeter P = 2(L+W)

Substituting the value of the length and the width, we will have;

P = 2(10+x+x)

220 = 2(10+2x)

Dividing both sides by 2;

220/2 = 2(10+2x)/2

110 = 10+2x

2x = 110-10

2x = 100

x = 100/2

x = 50cm

Since the length of the rectangle L = 10+x

The length of the rectangle = 10+50 = 60 cm

Hence, the measure of the length is 60 cm

Answer:

60cms

Step-by-step explanation:

Answer:

Check below

Step-by-step explanation:

Hi there let's graph.

[tex]y>-4x-1\\ y<\frac{3}{2} x-1[/tex]

(Check below)

A) Looking at the pair of inequalities, the solutions is the interval that have the common points that satisfy both inequalities. Look at the graph for the point (6,4) this point satisfy both inequalities.

Plugging in those values (6,4)

[tex]4>-4(6)-1\\4>-25 \\\\[/tex]

Similarly for the second inequality

[tex]4 < 3/2(6)-1\\4<8[/tex]

Since the signal is lesser (<) and greater than (>) the lines are dashed.

B) No. (-1,-1) does not belong to any of those intervals. Check below. By the same procedure above. Check it out algebraically:

-1>4-1

-1>3  False!

And

-1<-3/2-1

-1<-1 False

The number of social events will be 3.

Numeral variables and operations marked by the signs for addition, subtraction, multiplication, and division are combined in the mathematical equation.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented using mathematical symbols. They can also signify other characteristics of logical grammar, such as the operation order.

Given that a social club's monthly membership cost is $10. Every time a member takes part in a social event that the club hosts, a separate cost is applied. A $35.00 participation fee is charged for each event. Amanda was charged $115.00 for a month.

The number of events will be calculated as follows:-

TC = 10 + 35N

115 = 10 + ( 35 x N)

N = ( 115 - 10 ) / 35

N = 105 / 35 = 3

Therefore, the number of social events will be 3.

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Answer:

B. the points scored by a basketball player compared to his minutes played

Step-by-step explanation:

Answer:

(1/2, -3)

Step-by-step explanation:

We have the following equations:

y = 4 * x - 5

y = –3

To solve algebraically, we must replace one equation in another, and we are left with:

-3 = 4 * x - 5

4 * x = 5 - 3

x = 2/4

x = 1/2

Therefore the solution is (1/2, -3)

Now, when we graph both equations, the solution would be the intercept between both graphs, attached corresponding image, the solution would be the same (1/2, -3)

Answer:

13 lbs

Step-by-step explanation:

Answer:

68.26%

Step-by-step explanation:

The z score is a measure used in statistic to determine the number of standard deviations by which the raw score is above or below the mean. If the z score is positive then the raw score is above the mean and if it is negative then the raw score id below the mean. The z score is calculated using:

[tex]z=\frac{x-\mu}{\sigma}\\ where\ \mu \ is \ the\ mean, \sigma\ is\ the\ standard\ deviation\ and\ x \ is\ the\ raw\ score[/tex]

From the normal distribution table, Area between z equal -1 and z equal 1  = P(-1 < z < 1) = P(z < 1) - P(z < -1) = 0.8413 - 0.1587 = 0.6826 = 68.26%

About 68.26% of the area is between z = -1 and z = 1 (or within 1 standard deviation of the mean).

Answer:8/21

Step-by-step explanation:

cba to write it down

The probability of a student choosing running is 4/63.

Given that,

Total number of students = 63

Number of boys = 38

Number of girls = 63 - 38 = 25

Number of students who chose football = 20

Number of girls who chose football = 19

Number of students who chose tennis = 19

Number of girls who chose running = 5

To find the probability of a student choosing running,

We need to know the total number of students who chose running.

From the given information,

We know that the number of students who did not choose running is:

Number of students who chose football = 20

Number of students who chose tennis = 19

Number of girls who did not choose running = 25 - 5 = 20

Therefore, the total number of students who chose running is:

Total number of students - Number of students who did not choose running

= 63 - (20 + 19 + 20) = 4

So, the probability of a student choosing running is:

Number of students who chose running / Total number of students

= 4 / 63

Therefore, the probability that a student selected at random chose running is 4/63

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