Find m <ABC (7x-1) (3x-9

Find M &lt;ABC (7x-1) (3x-9

Answers

Answer 1
(7x-1)+(3x-9)=180
10x-10=180
Add 10 to both sides
10x=170
Divide both sides by 10
X=17 degrees

3x-9
3(17)-9
51-9
=48
Answer 2

Answer:

Therefore, [tex] \angle ABC = 48\degree[/tex]

Step-by-step explanation:

We need to find the [tex] \angle ABC[/tex]

Since, [tex] \angle DBC = 180\degree[/tex]      ( since DBC is straight line )

[tex](7x-1)+(3x-9)=180\degree[/tex]

[tex]10x-10=180 \degree[/tex]

Add both the sides by 10 in above expression

[tex]10x-10+10=180\degree+10[/tex]

[tex]10x=180 \degree+10[/tex]

[tex]10x=190 \degree[/tex]

divide both the sides by 10 in above expression

[tex]x=\frac{190}{10}[/tex]

[tex]x=19 [/tex]

Hence, the value of x is 19.

Now, we will calculate [tex] \angle ABC[/tex]

[tex] \angle ABC = 3x-9[/tex]

Put x = 19 in above

[tex] \angle ABC = 3(19)-9[/tex]

[tex] \angle ABC = 57-9[/tex]

[tex] \angle ABC = 48[/tex]

Therefore, [tex] \angle ABC = 48[/tex].


Related Questions

Garth is mulriplying 29 ×16. He has 184 after multiplying the ones and 290 after multiplying the tens. Explain how Garth can find the final product.

Answers

He can start again and correct his error.
6 * 29 = 174
10 * 290 = 290
Add 174 + 290 = 464

Name the property for 6+7+7+6=


associative property communitive property


zero property

Answers

communitive propery is ur answer

Final answer:

The equation 6+7+7+6 demonstrates the Commutative Property of addition, which states that the order of addition does not affect the sum.

Explanation:

The property shown by the equation 6+7+7+6 is the Commutative Property of addition. This property states that the order in which two numbers are added does not affect the sum. In other words, A+B = B+ A. Specifically here, the numbers 6 and 7 are added together in an order that can be rearranged without changing the result, indicating the commutative nature of their addition. To visualize:

(6+7) + (7+6)(7+6) + (6+7)

Both expressions yield the same sum, showing the commutative property.

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What is another way to write 4 to the 6th power ?

Answers

it would be C. 4x4x4x4x4x4 thats the answer
it would be C. 4x4x4x4x4x4 thats the answer

Fran has a plank of wood 4.65 meters long. She wants to cut it into pieces 0.85 meters long. How many pieces of wood that length can she cut from the plank?

Answers

4.65/.85=5.4...
The answer is 5

Olivia ate four times as much salad as Reagan. If Reagan ate r salad, which equation can be used to find the amount of salad Olivia ate, v?

A. 4r = v
B. r + 4 =
C.v + 4 = r
D. 4v = r

Answers

the answer would be A because if she ate 4 times more then all you have to do is multiply r by four  

Answer:

A. 4r = v

Step-by-step explanation:

the amount of salad Reagan ate is r.

If Olivia ate 4 times as much salad as Reagan, then she ate r amount multiplied by 4:

4r

Thus, the equation than can be used to describe the amount of salad for Olivia is:

4r = v

This is because this equation tells us that 4 times the amount of salad Reagan ate (4r) is equal to what Olivia ate (v)

Given: JKLM is an isosceles trapezoid, KL ∥ JM
Prove: KM ≅ JL
What is the missing reason in step 4?
Statements Reasons
1. JKLM is an isosceles trapezoid, KL ∥ JM 1. given
2. JK ≅ LM 2. definition of isosceles trapezoid
3. KL ≅ KL 3. reflexive property
4. ∠JKL ≅ ∠MLK 4. ?
5. △JKL ≅ △MLK 5. SAS ≅ theorem
6. KM ≅ JL 6. CPCTC

definition of linear pair
definition of congruence
base angles theorem
sufficient base angles theorem

Answers

Answer:

(C) Base angle theorem

Step-by-step explanation:

Given: JKLM is an isosceles trapezoid, KL ∥ JM  

Prove: KM ≅ JL

Proof:

Statements                                                                 Reasons

1. JKLM is an isosceles trapezoid, KL ∥ JM               Given

2. JK ≅ LM                                                definition of isosceles trapezoid

3.  KL ≅ KL                                                          reflexive property

4. ∠JKL ≅ ∠MLK                                          Base angle theorem (base=LK)

5. △JKL ≅ △MLK                                                       SAS rule

6. KM ≅ JL                                                                  CPCTC  

Hence proved.

therefore, option C is correct.

The missing reason for statement 4, is: C. base angles theorem.

What is the Base Angle Theorem?

The base angle theorem states that the two base angles in an isosceles triangle that are opposite the congruent sides are equal in measure or congruent.

Thus, ∠JKL and ∠MLK are base angles of the identified isosceles triangle, therefore, the missing reason for statement 4, is: C. base angles theorem.

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Which of the following expressions does not mean the same as the other three?

x - 17
x + (-17)
x - (-17)
- 17 + x

Answers

The third one is different to the other three.
All the others can be written as x - 17
Meanwhile only the third one is written as x + 17.
Remeber the sequence of numbers can swap and + - makes -
- - makes +

Hey there! You answer is x - (-17) . I hope this helped! Your fellow Brainly user, GalaxyGamingKitty.

A set designer builds a model of a stage and the different pieces of furniture on it. He uses a scale of 5 cm to 1m. The length of a table is 1.4m. What is the length of the model?

Answers

To solve this problem, we simply have to use ratio and proportion. We know that for every 5 cm, we have 1 m therefore the factor to use is:

5 cm / 1 m

 

SO for a table length of 1.4 m, the model length should be:

model = (5 cm / 1 m) * 1.4 m

model = 7 cm

 

Answer:

7 cm

What is the probability that the first player does not get a blue character?

Answers

if there are 14 different scenarios that can happen (Blue 1-5, Green 1-6, Red 1-3), and 9 of them are not blue, there is a 9/14 chance that the first pick is not blue. to get percentages, you divide 9 by 14 to get 0.64, or 64 percent chance at not picking blue.

Solve the equation. −t/4=−3π

Answers

−t4=(−3)(3.141593)Step 1: Simplify both sides of the equation.−14t=−9.424778Step 2: Multiply both sides by 4/(-1).(4−1)*(−14t)=(4−1)*(−9.424778)t=37.699112
-t/4=-3
times 4 both sides
-t=-3*4
-t=12 or -t=37

Two bugs are running back and forth along a straight branch at constant speeds
without stopping. They start from opposite ends of the branch at the same time
and meet for the first time 40cm from one end of the branch. They continue to the
ends and return, meeting for the second time 20 cm from the other end of the
branch. How long is the branch?

Answers

it would be 60cm because 40 plus 20 equals 60

3,050Divided by 10 to the second power. Answer

Answers

30.5
10 to the 2nd power is 100
3050/100 = 30.5
Final answer:

To divide 3,050 by 10 to the second power, simply move the decimal point two places to the left, resulting in the answer 30.50.

Explanation:

When dividing by powers of 10, you simply need to move the decimal point to the left by the number of zeros in the exponent. In this case, the exponent is 2, so you would move the decimal point two places to the left.

Therefore, 3,050 divided by 10 to the second power is equal to 30.50.

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The Pythagorean Sea, in Southern Antarctica has a depth that varies quadratically with its width. The width of the sea is 1000 meters. Two hundred meters from shore, the depth is 20 meters. Find the particular quadratic equation for the sea. Compute the depth of the deepest portion of the sea.

Answers

Final answer:

To find the quadratic equation that models the depth of the Pythagorean Sea, we apply given conditions to the standard form y = ax^2 + bx + c. Solving for coefficients, we then identify the vertex of the parabola to find the deepest point of the sea. Finally, we calculate the depth at this point by substituting the vertex into the equation.

Explanation:

Finding the Particular Quadratic Equation and Depth of the Sea

To find the particular quadratic equation for the depth of the Pythagorean Sea as a function of its width, we can begin by assuming the standard form of the equation:

y = ax^2 + bx + c,

where y represents the depth in meters, and x is the horizontal distance from the shore in meters. Given that the sea's width is 1000 meters and at 200 meters from the shore the depth is 20 meters, we can establish some conditions.

At x = 0 (shoreline), the depth is 0: hence, c = 0.At x = 200 meters, the depth is y = 20 meters.At x = 1000 meters (opposite shoreline), the depth should return to 0.

By substituting these conditions into the equation, we can solve for a and b to determine the complete equation. Once we have the equation, the depth's maximum (the deepest part of the sea) will occur at the vertex of the parabola, which is at x = -b/(2a).

Once we find the deepest point, we can calculate its depth by substituting back into the equation.

Answer:

equation: y = 0.0005x²

maximum depth: 500 m

Step-by-step explanation:

Equation for a quantity that changes quadratically with another quantity:

y = kx²

where x = width, and y = depth.

For x = 200, y = 20.

20 = k(200²)

k = 20/(40000)

k = 0.0005

The equation is

y = 0.0005x²

The width is 1000 m.

For 1000 m, x = 1000

y = 0.0005x²

y = 0.0005(1000²)

y = 500

Answer:

equation: y = 0.0005x²

maximum depth: 500 m

help me with these questions , please

Answers

A for the first and b for the second

McKenzie bought 1.2 pounds of coffe for $11.82. What was the cost per pound?

Answers

11.82 divided by 1.2=9.85
1) $11.82 for 1.2 pounds
2) 11.82 divided by 1.2 
3) 11.82/1.2
4) $9.85 per pound

Is 13-yard gain a positive or negitave integer?Explain the meaning of zero in this situation.

Answers

A positive because when it says a 13 GAIN it means to gain (earn or add) the 13 yards given

Answer:

Positive integer

Step-by-step explanation:

An integer is a collection of positive and negative number and zero

Positive Numbers:  Positive number are the numbers which have positive sign. For example 4, 9 or which which represents positivity like gain , increase, profit etc

Negative numbers: Negative number are the numbers which have negative sign. For example -4, -9 or which which represents negativity like loss , decrease etc

Zero is neither a negative number nor a positive number.

13 yard is a positive because there is a gain , which represent positivity.

We can also write + 13 yard.

Hence, the correct answer is it is a positive integer

What's the distance between 178 and -395

Answers

178 - (-395)

178 + 395 = 573

the distance between -395 and 178 is 573

hope this helps

A right triangle has legs of length 6 and 11. What is the length of the hypotenuse?

A) √142

B) √157

C) 15

D) 5√5

Answers

the answer would be B. because u square 6 and 11 and add them and then take the square root of that number.

Farrah is 4 years older than 5 times her brother Emil's age. Farrah is 19 years old. Let e represent Emil’s age. During the Strategize step of the five-step problem-solving plan, which expression would you use to represent Farrah’s age? A: 5e + 19 B: 5e + 4 C: e + 19 D: 4e + 5

Answers

The answer is B.
If Farrah is 5 times older than Emil plus 4 years, the equation would be 5e+4.

Answer:

The answer is B hope you get a good grade

Step-by-step explanation:

Four balls of wool will make 8 knitted caps. How many balls of wool will Malcom need if he wants to make 6 caps. Explain with Ratio table.

Answers

8/4 = 2 caps per ball of wool

 so 6/2 = 3 balls of wool are needed.

4/8 = x/6

8x/24

x = 24/8 = 3

Malcom will need 3 balls of wool to make 6 caps.

Understanding Wool to Caps Ratio

To determine how many balls of wool Malcom will need to make 6 caps, we will use a ratio table. We know that 4 balls of wool can make 8 knitted caps. We can set up a ratio table to find the number of balls needed for any number of caps.

Step-by-Step Explanation:

Step 1: Establish the known ratio: 4 balls of wool : 8 caps

Step 2: Simplify the ratio: (4 balls of wool) / (8 caps) = 1 ball of wool : 2 caps

Step 3: Determine the number of balls of wool needed for 6 caps using the simplified ratio. If 1 ball of wool makes 2 caps, then:

Step 4: Calculate: (number of caps) / (caps per ball) = 6 caps / 2 caps per ball = 3 balls of wool

Therefore, Malcom will need 3 balls of wool to make 6 caps.

The expression 0.09x+(x−30) models the final price of a bicycle with an instant rebate in a state that charges a sales tax. The tax is on the original price. Which expression represents the amount of tax that is paid on the bicycle?

A) 1.09x

B) 0.09x

C) 0.09x - 30

D) x - 30

Answers

The correct answer is option B). The expression that represents the amount of tax paid on the bicycle is 0.09x.

The expression given is:

[tex]\[ 0.09x + (x - 30) \][/tex]

This expression can be broken down into two parts:

1. [tex]\( 0.09x \)[/tex] represents the tax paid on the original price of the bicycle, where [tex]\( x \)[/tex] is the original price and [tex]\( 0.09 \)[/tex] (or [tex]\( 9\% \)[/tex]) is the tax rate.

2. [tex]\( (x - 30) \)[/tex] represents the final price after the instant rebate of $30 has been subtracted from the original price [tex]\( x \)[/tex].

Since we are looking for the amount of tax paid, we only need to consider the tax component, which is [tex]\( 0.09x \)[/tex].

Therefore, the expression that represents the amount of tax paid on the bicycle is: [tex]{0.09x}[/tex]

Bob Reed sells a clock for $120.95 that cost him $62.50. Bob's percent of markup based on the selling price is: 93.52 percent 48.33 percent 31.86 percent 95.32 percent None of the above

Answers

none of the above cause 120.95-62.50 = 58.45
48.33 percent.............

A pair of in-line skates that usually sell for $40 is on sale at a 30% discount. What is the sale price?

Answers

40*30%=12
40-12=28
they would be on sale for $28
with the discount being 12 dollars.
hope this helps!
       28 dollars hope I could help 

Voyage has a drop that is 22 feet less than El Toro. Draw a bar diagram to the right and write an equation to find the height of Voyage.

Answers

btw you know that this require a drawable paper?

All I can say is that the answer is 6 because this needs paper to draw a bar diagram

The price of a pair of jeans was $31, but due to an increase the price went up to 129% of what it was originally. Which is the best estimate of the current price of the pair of jeans?

Answers

(31 x 129) ÷ 100 = price

3999 ÷ 100 = 39.99

The best estimate of the current price of the jeans is $39.99.

Answer:

the best estimate of the  current price is $39.99

Step-by-step explanation:

Hello, I think I can help you with this,

You can solve this by using a rule of three

Step one

if

$31 ⇔100%

x?   ⇔129%

the relation is

[tex]\frac{31}{100}=\frac{x}{129}}\\now, solve\ for\ x\\x=\frac{129*31}{100} \\x=\frac{3999}{100}\\ x=39.99\\[/tex]

the current price is $39.99

I hope it helps, have a fantastic day-

What is the ratio of stars to hearts?
6 stars, 4 hearts.
A. 2:3
B. 2:5
C. 3:2
D. 3:5

Answers

c. 3:2 because that is 6/4 simplified 

The ratio of stars to hearts is 3:2, so option C is correct.

What is ratio?

It is the comparison of one quantity with another. For example, if your weight is 30 kg and your father's weight is 90 kg, then the ratio of weight is 1:3.

Given:

The no of stars  = 6,

The no of hearts = 4

Calculate the ratio by the formula given below,

The ratio of stars to hearts (R) = The no of stars / The no of hearts

Substitute the values,

R = 6 / 4

R = 3 / 2

Therefore, the ratio of stars to hearts is 3:2.

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A supermarket has 192 shelves for canned goods. Each shelf can hold 26 cans. How many cans will the shelves hold in all?

Answers

there is 192 shelves....each shelf can hold 26 cans

192 * 26 = 4992 <== total number of cans the shelves can hold
4992 cans sorry if wrong

Write decimal as a fraction/mixed number in simplest form. 0.4

Answers

0.4 as a fraction would be      2/5              :)

Solve for h 10=8h h=?

Answers

The value of h in the given equation is 5/4

What is an equation?

An equation is a mathematical statement with an 'equal to' symbol between two expressions that have equal values.

An equation is a mathematical sentence that has two equal sides separated by an equal sign. 4 + 6 = 10 is an example of an equation. We can see on the left side of the equal sign, 4 + 6, and on the right hand side of the equal sign, 10.

An equation is a condition on a variable such that two expressions in the variable should have equal value.

Given that, an equation, 10=8h, we need to solve for h

10 = 8h

8h = 10

Divide by 8

8h / 8 = 10 / 8

h = 5 / 4

Hence, the value of h in the given equation is 5/4

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Thinking about the different types of numbers you learned in this unit, how would you help someone remember the differences between rational and irrational numbers?

Answers

Irrational numbers can NOT be written as fractions, with rational numbers in the fraction both numerator and the denominator are written as whole numbers. While a irrational can not be written in fraction form it can be written as a decimal because it will go on forever. An example of an irrational number would be π or 3.14.... An example of a rational number could be 5, or 8/2.I hope this helps!

The Difference between Rational numbers and Irrational numbers are given as follows

Rational numbers =   A number of the form [tex]\dfrac{p}{q}[/tex]  when [tex]q\neq 0[/tex] is called as a Rational number

Example = Any fraction of the form p/q such as 2/3 , -3/11 and 5/12

Irrational number =  A number that can not be expressed in the form of [tex]\dfrac{p}{q}[/tex]  or nor it can be represented as a recurring  decimal form then it is called as Irrational number

These are of the form [tex]\sqrt[n]{x}[/tex] where we can not simplify positive integer x

Example = [tex]\sqrt{2}[/tex] ,  [tex]\sqrt{3}[/tex] ,[tex]\sqrt[3]{5}[/tex]

These both types of numbers belong to the category of Real numbers as they fall on Real number line.

Rational numbers  with denominators = 1 are called as Integers

Surds are the categories of Irrational numbers  are

Surds  are the values of square root of any positive number that can not be simplified further to a whole number

Some examples of Surds are [tex]\sqrt{2}[/tex] and [tex]\sqrt{3}[/tex]

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