Mathematics College

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8th grade math

Answers

Answer 1

Answer:

x =22

Step-by-step explanation:

The two angles are corresponding angles , so the angles are equal

x+14 = 5x-74

Subtract x from each side

x+14-x = 5x-x-74

14 = 4x-74

Add 74 to each side

14+74 = 4x-74+74

88 = 4x

Divide by 4

88/4 = 4x/4

22 =x

Related Questions

9i / -2 +7i what is the conjugate of the denominator

Answers

Conjugate of the denominator is -2-7i

Which fraction is NOT equivalent to the point shown on the number line?

Answers

Answer:

10/12

Step-by-step explanation:

10/12 is not a multiple or a factor of 3/5

The Rodriguez Family is starting to save 15% of their income per month for college savings for their children. They earn $8,540 per month. How much will the Rodriguez family save each month for future college expenses?

Answers

Answer:

1,281

Step-by-step explanation:

The grocery store has 20% off from the original price on cereal. The equation for finding the sale price would be y = x - (.20x). What is the sale price if the cereal cost $3.00?

$2.20

$2.50

$2.40

$2.30

Answers

Step-by-step explanation:

y = x - 0.2x

y = 0.8x

When x = $3.00, y = (0.8)($3.00) = $2.40.

The sale price is $2.40.

Answer:

$2.40

Step-by-step explanation:

y = x - 20% of x

where x is $3.00

20% would be 1/5 of 3.00 = 3/5

3 - 3/5 = 15-3/5 = 12/5 = $2.40

1600 to the nearest hundred

Answers

Answer:

1600

Step-by-step explanation:

it is already rounded

In a fruit punch drink, the 3 ingredients are apple juice, orange juice and cranberry juice. If 1/4 of the drink is apple juice and 3/10 is orange juice then write the ratio of cranberry juice to apple juice to orange juice in its simplest form.

Answers

1/4 + 3/10 = 10/40 + 12/40 = 22/40

40/40 = 22/40 = 18/40

18/40 = cranberry j

Ratio=
A : O : C

10/40 : 12/40 : 18/40

0.25 : 0.3 : 0.45

Answer:

5 : 6 : 9

Step-by-step explanation:

The drink has 3 ingredients

Apple juice = 1/4 = 25%Orange juice = 3/10 = 30%Cranberry juice = the rest = 100% - (25% + 30%) = 45%

The ratio is:

25 : 30 : 45

Simplified ratio:

5 : 6 : 9

Will mark the brainliest

Answers

Answer:

B. [tex] 60x^8 [/tex]

Step-by-step explanation:

[tex] 4x^2\sqrt{5x^4} \cdot 3\sqrt{5x^8} = [/tex]

[tex] = 4x^2 \times 3 \sqrt{5x^4 \times 5x^8} [/tex]

[tex] = 12x^2 \sqrt{25x^{4+8}} [/tex]

[tex] = 12x^2 \sqrt{25} \sqrt{x^{12}} [/tex]

[tex] = 12x^2 \times 5 \times x^6 [/tex]

[tex] = 60x^8 [/tex]

In Exercises 15-18, find the coordinates of the centroid of the triangle with the given vertices. (See Example 2.) 15. A(2,3), B(8,1), C(5,7)

Answers

9514 1404 393

Answer:

(5, 3 2/3)

Step-by-step explanation:

The centroid coordinates are the average of the vertex coordinates.

(A+B+C)/3 = ((2, 3) +(8, 1) +(5, 7))/3 = (2+8+5, 3+1+7)/3 = (15, 11)/3

The centroid is (5, 3 2/3).

_____

The graph shows the intersection of the medians. It is the centroid, (5, 3 2/3), as we calculated.

What is the constant proportionality, y/x?

Answers

Answer:

1.4 in x.y but in y.x it 4.1

Step-by-step explanation:

a teacher guessed 30 students would ask for help. However, there were actually 35 students who came to get help. What was her percent of error? Round to the nearest whole percent.

Answers

Answer:13%

Step-by-step explanation:

Lets call the Teacher Mrs.Lukens and we put the number into a calculator and subtract 35-13% you have it but as it was a guess you will never know.

What is the answer to this?

Answers

-0.3 I MIGHT BE WRONG

Answer:

The value of x = -22

Step-by-step explanation:

Given the expression

[tex]-0.57x+0.27x=6.6[/tex]

Add similar elements: [tex]-0.57x+0.27x=-0.3x[/tex]

[tex]-0.3x=6.6[/tex]

Multiply both sides by 10

[tex]-0.3x\cdot \:10=6.6\cdot \:10[/tex]

Refine

[tex]-3x=66[/tex]

Divide both sides by -3

[tex]\frac{-3x}{-3}=\frac{66}{-3}[/tex]

[tex]x=-22[/tex]

Therefore, the value of x = -22

Which set of numbers includes only integers?

A Venn diagram. A large box is labeled rational numbers. A box inside the rational numbers box is labeled integers. A box inside the integers box is labeled whole numbers.
Negative 5, negative 3 and one-fourth, 1, one-eighth
Negative 3, negative 2, 2, 3
Negative 6, negative 4, negative 2, negative one-half
One-half, two-thirds, StartFraction 6 Over 7 EndFraction, 0

Answers

Answer:

negative 6, negative 4, negative 2, negative one half

Answer:

Step-by-step explanation:

Choose the polynomial that is described. A trinomial in one variable of degree 3.a. 4r2-9t+7b. 3r2+4t-9 c. 4r3 d. 4r3 -9t +7

Answers

Answer:

C. 4r³

Step-by-step explanation

A trinomial is an expression having three terms. A polynomial with degree 3 that which its leading variable has a power of 3. For example an example of such polynomial in one variable is expressed as 2x³+4x²-7. This equation has 3 terms and the leading variable has a power of 3 with only x as the variable

From the given options based on the explanation, the correct answer will be 4r³. This can also be written as a trinomial as 4r³+0r²+0r

The rest contains more than one variable.

There is no trinomial.

A trinomial is a polynomial with three nonzero terms

Here we have to find trinomial in one variable of degree 3 .

Since in given four options a , b , d have equations in two variables and c have only one term so there is no trinomial.

Learn More:https://brainly.com/question/7932185

There are two question please help.
7- 7x + 8 (x + 1/4 *fraction*) = 3(6x -9) - 8
8- -4x - 2(8x + 1)= -(-2x -10)
There is NO choices...Please help!!!

Answers

7 , it’s x = 12 1/3, or in decimal form, 12.33. And at 8, it’s x = -6/11, or in decimal form, -0.54

please help asap no trolls!

Answers

Answer:

Angle S

Step-by-step explanation:

The angle is always proportional to the opposite side. Angle opposite to the longest side has the largest angle so since Side RT is the shortest side, the angle opposite to it (or whatever the correct term is) would be Angle S.

PLS HELP FINAL QUESTION! 50 POINTS AND BRAINLIEST!
[tex]ln (x-24) + ln(x+100) = 3ln5[/tex]

Answers

Answer:

lnx-24ln+lnx+100ln=3ln5

2lnx+76ln=2ln5

Step-by-step explanation:

2ln5 is the answer use the graphing calculator

A bucket holds 4 liters of water. If a ladle can scoop out 14 of a liter, how many scoops will it take to empty the bucket?

Answers

Step-by-step explanation:

the ladle should scoop out 56 scoops to empty the bucket because if one scoop equals 1/14, there are 14 scoops per liter, and 4 liters, so 4 times 14 equals 56

The ladle should scoop out 56 scoops to empty the bucket

What is Unit of Measurement?

A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity

Given,

A bucket holds 4 liters of water.

If a ladle can scoop out 14 of a liter We need to find how many scoops will it take to empty the bucket

We know that one scoop equals 1/14 liters

1 scoop=1/14 litres

1 litre=14 scoops

As there are 4 litres

We have to multiply 14 with four to find the number of scoops to take to make the bucket empty.

14×4

Hence, the ladle should scoop out 56 scoops to empty the bucket

To learn more on Units of Measurement click:

https://brainly.com/question/15402847

#SPJ2

In the diagram below, the lifeguard is 5 ft. tall while sitting and the angle of elevation from the man on the diving board to the lifeguard (angle 2) is 20. How far apart are the two men? Round your answer to the nearest tenth.

Answers

Answer:

d the same thing as the one that I was a great place for him to get to know the person you want and what is the answer to the

help me on this pls

Answers

onomatopoeia!!! mark me brainless

5/7(d+20)= -10
What is d?

Answers

Answer:

-34

Step-by-step explanation:

Answer:

Step-by-step explanation:

Help Me With This Plz?

Answers

Answer: #1 Answer is D

Step-by-step explanation: Welcome!

Can I get Brainliest?

Which statement best describes the function below?
f(x)= x3 - X2-9x+9
O A. It is not a function.
OB. It fails the vertical line test.
O C. It is a one-to-one function.
O D. It is a many-to-one function.

pls help!!

Answers

Answer:

D. It is a many-to-one function

Step-by-step explanation:

One-to-one if every y value has exactly one x value mapped onto itMany-to-one if there are y values that have more than one x value mapped onto them.

We have a function that is of degree 3, so it has 3 x-intercepts which means there are points (x₁, 0), (x₂, 0), (x₃, 0), so it is a many-to-one function

Correct option is D

A hospital wants to survey religious participants in their city about what they seek from a hospital chaplain, so
they randomly select 5 religious meetings in the city and survey every participant in those meetings.
What type of sample is this?

Answers

It’s a cluster sample

Using sampling concepts, it is found that this is an example of cluster sampling.

Samples may be classified as:

Convenient: Drawn from a conveniently available pool. Random: All the options into a hat and drawn some of them. Systematic: Every kth element is taken. Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed. Stratified: Also divides the population into groups. However, only some elements of each group are surveyed.

In this problem, each religious meeting is a group, and all participants are surveyed, hence, we have an example of cluster sampling.

A similar problem is given at https://brainly.com/question/25122507

Find the distance between the two points in simplest radical form.
(-9,8) and (-3, -1)

Answers

Answer:

The distance between (-9, 8) and (-3, -1) will be:

[tex]\:d=3\sqrt{13}[/tex] units

Step-by-step explanation:

Given the points

(-9, 8)(-3, -1)

Finding the distance between (-9, 8) and (-3, -1)

[tex]d\:=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}[/tex]

[tex]=\sqrt{\left(-3-\left(-9\right)\right)^2+\left(-1-8\right)^2}[/tex]

[tex]=\sqrt{\left(-3+9\right)^2+\left(-1-8\right)^2}[/tex]

[tex]=\sqrt{36+81}[/tex]

[tex]=\sqrt{117}[/tex]

[tex]=3\sqrt{13}[/tex] units

Therefore, the distance between (-9, 8) and (-3, -1) will be:

[tex]\:d=3\sqrt{13}[/tex] units

3.0450 x 10^4 as an ordinary number

Answers

Answer:

30450 is the answer.

Step-by-step explanation:

Given number is [tex]3.0450 \times 10^4[/tex].

We need to write it as an ordinate number.

It is 3.0450 times 10 to the power 4.

It would mean that,

[tex]3.0450 \times 10^4=3.0450 \times 10000\\\\=\dfrac{3.0450 }{10000}\times 10000\\\\=30450[/tex]

Hence, the required answer is 30450.

PLEASE ANSWER ALL QUESTIONS WILL GIVE BRAINLY!!!!!
SHOW YOUR WORK PLS

Answers

1. 6•2/4+ 7
6• 16 + 7
96+7
103 for the final answer for the first question

2 ^ 4 = 16

16 × 6 = 96

96 + 7 = 103

3 + 4 = 7

8 × 7 = 56

12 ^ 2 = 144

56 + 144 = 200

14 - 6 = 8

8 ^ 2 = 64

64 × 6 = 384

150 ÷ 5 = 30

30 × 6 = 180

180 + 8 = 188

hope this helps :))

What is the range of the graph?
Remember: Range is y!

Answers

Answer:

Range = 1 ≤ y ≤ 5

Step-by-step explanation:

The range of the graph is all possible y-values that is plotted in the graph.

The range includes y-values include y = 1, and y-values that fall between y = 1 and y = 5, 5 inclusive.

Range = 1 ≤ y ≤ 5

Read each of the situations below. Write an integer that describes the situation a football player caught a 57-yard pass

Answers

Answer:

an integer that describes the situation a football player caught a 57-yard pass.

Step-by-step explanation:

WHAT? YOU TOLD ME TO WRITE THAT NOT ME!!!! T-T next time be more specific YEESH

(-8/5)(2/3)(-4) as a fraction.

Answers

Answer:

1600

Step-by-step explanation:

i know

f(x) = 2. What is g(x)?
А. g(x) = х2 +4
В. g(x) = -4х2
ОООО
Ос. g(x) = х2 - 4
D. g(x) =-x2 - 4

Answers

Answer:

D an upside down smiley means the slope is negative. which means either b or d. then sub x = 0, if y is -4 from the graph you get the answer

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Help anyone need it asap 8th grade math

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Help anyone need it asap
8th grade math