Mathematics College

I CANT FIGURE THIS OUT PLEASE HELP ME FIND angles FAB and BAC

Answers

Answer 1

FAB=75 BAC=105 I hope this helps

Related Questions

Find the length indicated FIND IK HELP

Answers

Answer:

Here is the answer, let me know if I did it wrong.

Answer:

IK = 13 and x = - 12

Step-by-step explanation:

Let's write down each segment and if available express it in terms of x which has to be determined in order to find length of segment IK

We have IK = x + 25 (to be determined)

JK = 2x + 30 (1)

KL (unknown)

IL = x + 34 (2)

JL = 15 (3)

The entire segment

IL = IJ + JL

Substituting for JL = 15 we get IL = IJ + 15

But we are given IL = x + 34

IJ + 15 = x + 34

IJ = x + 34 -15 = x + 19 (4)

IK = IJ + JK

Substituting for IJ = x + 19 from equation (4) and JK = 2x + 30 from equation (1) we get IJ + IK = x + 19 + 2x + 30 = 3x + 49

But we are given that IK = x + 25

3x + 49 = x + 25

Moving x from the RHS to the LHS and 49 from the LHS to the RHS we get

3x-x = 25 - 49

2x = -24

x = -12

IK = -12 + 25 = 13

We can verify this by finding the lengths of each segment and seeing they are consistent

We have

IJ = x + 19 = -12 + 19 = 7

JK = 2x + 30 = 2(-12) + 30 = -24 + 30 = 6

IL = x + 34 = -12 + 34 = -23

We also have the fact that JK + KL = JL = 15

Substituting for JK we get

6 + KL = 15

KL = 15-6=9

Total segment length = 7+6 + 9 = 22

x + 34 = -12 + 34 = 22

So it is consistent

Question 1
What is the slope of the line that passes through the points
(-9, 8) and (-3,-1)?

Answers

Greetings from Brasil...

It is possible to answer this question through Determinant

| X Y 1 |

| X₁ Y₁ 1 | = 0

| X₂ Y₂ 1 |

We have:

(X₁; Y₁) = (-9; 8)

(X₂; Y₂) = (-3; -1)

then

| X Y 1 |

| -9 8 1 | = 0

| -3 -1 1 |

9X + 6Y + 33 = 0

Match the correct function to the graph.

Answers

It’s C because the negative turns it upside down and the +1 moves it up

Evaluate the following expression.
5×[5+(17–5)=4]

Answers

5. [ 5 + ( 17 - 5 ) = 4 ]

Add 5 and 17

5 . ( 22 - 5 ) = 4

Subtract 5 from 22

5 . 17 = 4

Multiply 5 by 17

85 = 4

Use the associative property to find an equivalent expression to: a • (b • c)

Answers

The equivalent expression for a*(b*c) is (a*b)*c.

What is Associative Property?

when more than two numbers are added or multiplied, the result remains the same, irrespective of how they are grouped.

The given expression is a*(b*c).

The associative property is holds for multiplication.

According to the definition of associative property when more than two numbers are multiplied the result remains the same, irrespective of how they are grouped.

The equivalent expression for a*(b*c) is (a*b)*c.

For example a=2,b=3 and c=1 then

a*(b*c) =2*(3*1)=6

(a*b)*c=(2*3)*1=6

a*(b*c)=(a*b)*c

Therefore (a*b)*c is equivalent expression for a*(b*c).

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Find the coordinates of the point 3/10
of the way from A to B.

Answers

The coordinates of the point 3/10 of the way from a to b is (-0.3, -6.3)

How to determine the coordinates of the point?

The given parameters are:

the coordinates of b is (9,7) the coordinates of a is (-4,-6)

The position of the point is given as:

Location = 3/10

Express as ratio

m ; n = 3 : 10 - 3

This gives

m ; n = 3 : 7

The coordinates of the point are then calculated as:

Point = Location * (mx2 + nx1, my2 + ny1)

This gives

Point = 3/10 * (3 * 9 + 7 * -4, 3 * 7 + 7 * -6)

Evaluate

Point = 3/10 * (-1, -21)

This gives

Point = (-0.3, -6.3)

Hence, the coordinates of the point 3/10 of the way from a to b is (-0.3, -6.3)

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Complete question

find the coordinates of the point 3/10 of the way from a to b

the coordinates of b is (9,7)

the coordinates of a is (-4,-6)

Evaluate 4|-2| - |-3|
5
-5
11

Answers

Answer:

Step-by-step explanation:

4(|−2|)−|−3|

=(4)(2)−|−3|

=8−|−3|

=8−3

Find the value of x. Round to the nearest tenth if necessary.

Answers

Answer:

1. 11.7

2. 15

3. 20.5

4. 15.3

Step-by-step explanation:

Use the Pythagorean theorem for each of the problems.

Answer:

Step-by-step explanation:

The trumpet player in a jazz band receives $64 in tips and a portion of the band's
earnings for a performance. The band earns $960 and pays the band manager
$144. The 4 band members split the remaining earnings evenly. The equation
below represents the total earnings, T, of the trumpet player.
T = 64+ (960-144) ÷ 4
What are the total earnings of the trumpet player?

Answers

Answer:
T = 320

Step-by-step explanation:
64+ (960-144) ÷ 4 = 64+ (816) ÷ 4 = 64+ 204 = 320

QUESTION BELOW SLOVE USING NTH TERM!
I found this
im using T for tails and H for heads
to get all 4 coins to face heads but only turning over 3 coins at a time for one move takes 5 times
MOVE 1# TTTT
MOVE 2#THHH
MOVE 3#HTTH
MOVE4#HHHT
MOVE5#TTTH
end up like =HHHH
HOW DO I WRITE THIS OUT FOR NTH TERM.
THE QESTION IS BELOW! WILL GET 100 POINTS! PLEASE HELP BEEN STUCK ON THIS FOREVER!

Answers

Answer:

thanks bro bro

Step-by-step explanation:

anyways you gotta to get all 4 coins to face heads but only turning over 3 coins at a time for one move takes 5 times

to get all 4 coins to face heads but only turning over 3 coins at a time for one move takes 5 times

Which expression is equivalent to (10−2 • 45)−2?

1. ten raised to the fourth power divided by four raised to the tenth power)
2. negative ten raised to the fourth power divided by four raised to the tenth power)
3. four raised to the third power divided by ten raised to the fourth power)
4. negative four raised to the third power divided by ten raised to the fourth power)

Answers

The expression that is equivalent to the given expression (10^−2 • 4^5)^−2 is 10^(4) • 4^(−10)

How to determine the expression that is equivalent to the given expression?

The expression is given as

(10−2 • 45)−2

Rewrite the above expression properly as follows:

(10^−2 • 4^5)^−2

Apply the power rule of indices

So, we have

(10^−2 • 4^5)^−2 = 10^(−2 * −2) • 4^(−2 * 5)

Evaluate the product of powers

So, we have

(10^−2 • 4^5)^−2 = 10^(4) • 4^(−10)

Hence, the expression that is equivalent to the given expression (10^−2 • 4^5)^−2 is 10^(4) • 4^(−10)

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How many 4/13 pound boxes of cereal can be made from 11,804 pound of cereal?

Answers

The answer is 3,950 boxes

8,615-4,229= I need help

Answers

8,615-4,229=4386 Answer took the quiz!

Answer:

4386

Step-by-step explanation:

8615-4229

= (8000 + 600 + 10 + 5) - (4000 + 200 + 20 + 9)

= (8000-4000) + (600-200) + (10-20) + (5-9)

= 4000 + 400 + (-10) + (-4)

= 4000 + 300 + (100-10) + (-4)

= 4300 + 80 + (10-4) = 4386

Will mark brainliest please do right answer.

Answers

Answer:

option (1), (4),(5)

Step-by-step explanation:

(1)

-7 + (-8) = - 7 - 8= - 15 < -8

(2)

- 42 ÷ (-6) = 7 > -8

(3)

- 4 + (-4) = - 4 - 4 = - 8 = - 8

(4)

6(-3)= - 18 < - 8

(5)

-5-7= -12 < - 8

(6)

-28 ÷ 7= -4 > - 8

What is the slope of the line that passes through the points (-7, -10) and
(-19, -10)? Write your answer in simplest form.

Answers

The slope is 0.

To find the slope, we subtract the two y’s then do the same for x. That would look like:

(-10) - (-10) = 0

(-19) - (-7) = -12

Our fraction answer is 0/12. Because the slope has 0 as a numerator, we identify this as a slope of 0. This forms a horizontal line.

Final answer: The slope of the line is 0.

In a survey of employees at a fast food restaurant, it was determined that 13 cooked food, 16 washed dishes, 20 operated the cash register,
7 cooked food and washed dishes, 6 cooked food and operated the cash register, 8 washed dishes and operated the cash register, 3 did all
three jobs, and 5 did none of these jobs. Complete parts a) through f) below.

how many employees took the survey?

Answers

Answer:1

Step-by-step explanation:

1 is going to be the correct answer for this question.

Multiply the fractions. Select the answer that is in simplest form.
5x1 1/9

Answers

The product of the numbers 5 and [tex]1 \frac{1}{9}[/tex] will be equal to the fractional number 50/9.

What is multiplication?

It is also known as the product. If the object n is given to m times then we just simply multiply them.

The numbers are given below.

5 and [tex]1 \frac{1}{9}[/tex]

The product of the numbers 5 and [tex]1 \frac{1}{9}[/tex] will be

[tex]\rightarrow 5 \times 1 \dfrac{1}{9}[/tex]

⇒ 5 x 10 / 9

⇒ 50/9

The product of the numbers 5 and [tex]1 \frac{1}{9}[/tex] will be equal to the fractional number 50/9.

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My bill is normally $90 but has gone up to $108 what is the percentage it went up by

Answers

Answer:

it went up 20%

Step-by-step explanation:

Write down all the prime numbers between 20 and 35

Answers

Answer: The prime number are 23,29,31

Step-by-step explanation:

Three friends are making homecoming mums before the big game. When all three friends are working, they produce 6 mums per hour. When only Friend B and Friend C are working, they make 5 mums per hour. When only Friend A and Friend B are working, they make 4 mums per hour. How many mums can be created by each friend every hour?

Answers

The number of mums created every hour by each friend are:

Friend A working every hour creates 1 mum, Friend B working every hour creates 3 mums, and Friend C working every hour creates 2 mums

How to find the number of mum created per hour by each friend

Given data

Friend A, Friend B, and Friend C working = 6 mums per hour

Friend B and Friend C working = 5 mums per hour

Friend A and Friend B are working = 4 mums per hour

A + B + C = 6 equation 1

B + C = 5 equation 2

A + B = 4 equation 3

from equation 2, make C the subject of the formula

B + C = 5

C = 5 - B

from equation 3, make A the subject of the formula

A + B = 4

A = 4 - B

substitute A and C into equation 1 to get

A + B + C = 6

4 - B + B + 5 - B = 6

4 + 5 - B = 6

9 - B = 6

-B = 6 - 9

-B = -3

B = 3

substituting B for A we have

A = 4 - 3

A = 1

substituting B for C we have

C = 5 - 3

C = 2

Therefore , Friend A working every hour creates 1 mum, Friend B working every hour creates 3 mums, and Friend C working every hour creates 2 mums,

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A blogger found that the number of visits to her Web site increases 5.6% annually. The Web site had 80,000
visits this year. Write an exponential model to represent this situation. By what percent does the number of
visits increase daily? Explain how you found the daily rate.

Answers

f(t) = 80,00[tex](1+ 0.056)^{t}[/tex] is the exponential function that represents the model. The number of visits increase by 0.015% daily.

Here, we are given that a blogger found that the number of visits to her Web site increases 5.6% annually.

The exponential function is given as-

Final value = initial value [tex](1 + r)^{t}[/tex]

where r = rate of change

and t = time

here, r = 5.6%

r = 0.056

Further, the Web site had 80,000 visits this year ⇒ initial value = 80,000

Thus, we can get the following function-

f(t) = 80,00[tex](1+ 0.056)^{t}[/tex]

where f(t) represents the views after t years.

Now, since we are given that the views increase by 5.6% in 1 year

and 1 year = 365 days

⇒ daily rate = 5.6/365

= 0.015

Thus, the number of visits increase by 0.015% daily.

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HELP MEE!!
i need help with this!!

Answers

Answer:

2745

jow to get this is you do this then dis

Round to the nearest given place.
1.80949 thousandths

Answers

Answer:

1.809

Step-by-step explanation:

Beacuse 4 is less than 5, the number round down.

I think the answer is 1.809 though im not sure

How many integers a satisfies |2a+7|+|2a−1] =8?

Answers

Answer:

Step-by-step explanation:

Sacha picked some apples from a tree in her garden. She then gave some to her friends. To her
first friend, she gave half the apples she had, plus 2 more. To her second friend, she gave half the apples she had left, plus 2 more. And she did the same thing for her third friend. After giving away all these apples, she had 1 apple left. Find how many apples she originally pick from the tree.

Answers

Step-by-step explanation:

x = apples picked from the tree

x1 = x/2 + 2

x2 = (x - x1)/2 + 2 = (x - (x/2 + 2))/2 + 2 =

= (x - x/2 - 2)/2 + 2 = (x/2 - 2)/2 + 2 =

= x/4 - 1 + 2 = x/4 + 1

x3 = (x - x1 - x2)/2 + 2 = (x - (x/2 + 2) - (x/4 + 1))/2 + 2 =

= (x - x/2 - 2 - x/4 - 1)/2 + 2 =

= (x/4 - 3)/2 + 2 = x/8 - 3/2 + 2 = x/8 + 1/2

x - x1 - x2 - x3 = 1

x - x/2 - 2 - x/4 - 1 - x/8 - 1/2 = 1

x/8 - 3 - 1/2 = 1

x/8 = 4 1/2 = 9/2

x = 9×8/2 = 9×4 = 36

she had originally 36 apples

x1 = 20

x2 = 10

x3 = 5

Ahmad and Dante wash cars in the neighborhood and charge $5 per car. Last year, they worked very hard and were able to wash 450 cars in the year. They have done a little market research and found that for every $0.20 that the price is reduced, they can get 50 more customers.

How much did Ahmad and Dante earn last year?

Answers

The amount earned by Ahmad and Dante as at last year as required in the task content is; $2,250.

In order words, the total amount of money which was both earned by Ahmad and Dante is $2,250.

What is the amount earned by Ahmad and Dante last year according to the task content?

It follows from the task content that the amount earned by Ahmad and Dante last year is to be determined.

Since, the charge was still $5 per car last year and the washed 450 cars.

Their total earnings last year is therefore;

= 450 × $5

= $2,250.

Ultimately, they earned $2,250 last year from washing cars.

Answers

Answer:

Undefined or y = 3

Step-by-step explanation:

I think it's Undefined. But if it asks for rise/run it is (0,3)

What is an equation of the line that passes through the point (-2,-4) and is parallel to the line 5x-2y=6

Answers

5x-2y = -2 is the equation of line that passes through the point (-2,-4) and is parallel to the line 5x-2y=6.

Given that, (x₁, y₁) = (-2, -4) and parallel to 5x - 2y = 6

Let's calculate the slope of 5x - 2y = 6

Rewrite the equation in y = mx + c form

5x - 2y = 6

⇒ -2y = 6 - 5x

⇒ -y = 3 - 5/2x

⇒ y = -3 + 5/2x

⇒ y = 5/2x - 3

Thus, the slope (m) = 5/2

As the line is parallel to 5x - 2y = 6 it will have a slope of 5/2.

The point-slope formula states (y - y₁) = m(x - x₁)

Now, substituting the value of m = 5/2 and (x₁, y₁) = (-2, -4), we get

(y - y₁) = m(x - x₁)

⇒ (y - (-4)) = 5/2(x - (-2))

⇒ (y+4) = 5/2(x+2)

⇒ 2(y+4) = 5(x+2)

⇒ 2y+8 = 5x+10

⇒ 5x-2y+10-8 = 0

⇒ 5x-2y+2 = 0

⇒ 5x-2y = -2

Hence, the line that passes through the point (-2,-4) and is parallel to the line 5x-2y=6 is 5x-2y = -2.

Therefore, 5x-2y = -2 is the required answer.

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Please help I can’t solve 14,15,16

Answers

Answer:

chcicken

Step-by-step explanation:

One side of a rectangle is 9 feet shorter than three times another side. Find the length of the shorte
ide if we also know that the perimeter of the rectangle is 126 feet.
F=?

Answers

The shorter side of the rectangle is 18 feet.

How to Find the Perimeter of a Rectangle?

Perimeter of a rectangle = 2(l + w), where w is the width of the rectangle and l is its length.

Given the following:

Another side of the rectangle = width = w

One side of the rectangle = length = 3w - 9

Perimeter of the rectangle = 126 feet

Therefore:

2(3w - 9 + w) = 126

2(4w - 9) = 126

8w - 18 = 126

8w = 126 + 18

8w = 144

8w/8 = 144/8

w = 18

One side of the rectangle = 3w - 9 = 3(18) - 9 = 45

Therefore, the shorter side of the rectangle is 18 feet.

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