Mathematics High School

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Answers

Answer 1

Answer:

18:12

Step-by-step explanation:

Answer 2

Answer:

answer is 18 divided by 12

Step-by-step explanation:

please mark brainliest

Related Questions

What is the distance between points A and B? O1/3 O1/2 O 1 1/3 O1 1/2

Answers

the answer is the first choice, 1/3

What is the equation of the line that passes through the point (-8, 5) and has a slope of -1/4

Answers

Answer:

Step-by-step explanation:

Step one.

Read the slope

-1/4

Step two

Put the slope in the general equation

y = mx + b

y = -1/4 x + b

Step 3

Put the point into the equation from step 2

(-8,5)

5 = -1/4  -8   + b

5 = 2 + b                   Subtract 2 from both sides

5-2 = b

b = 3

Step 4

Write the entire equation

y =   -1/4 x + 3

What is y-intercept for the line y=8x+21

Answers

Change Y to 0.

y=8x+21

0=8x+21

-8x=21

[tex]x=\frac{21}{-8\\}[/tex]

What is -2(3x - 9) + 5x = -10

Answers

Answer:

x=28

Step-by-step explanation:

-2(3x-9)+5x =-10

now we times -2 to to the inside of the parenthese

giving us

-6x+18 +5x= -10

add like terms

add -6x and 5x

-1x+18=-10

now we add like terms of the constants

minus 18 on  both sides

-1x=-28

now divide by -1

x = 28

Answer:

x = 28

Step-by-step explanation:

First, remove the parentheses by distributing -2.

-6x + 18 + 5x = 10

Next, collect the like terms.

-x + 18 = -10

Next, move the constant to the right-hand side and change its sign.

-x = -10 - 18

Next, calculate the difference

-x = -28

Lastly, change the signs on both sides of the equation.

x = 28

These are the steps to answer this equation.

(-6+51)+(2-5i)-(1+61)

Answers

Answer:

-15 - 5 i

Step-by-step explanation:

Answer:

−15 − 5i

Step-by-step explanation:

The image below shows step-by-step on how to solve it.

Hope this helps! :)

Solve the following
equation for X.

3x - 15 = -30

Answers

Answer:

X = -5

Step-by-step explanation:

3x - 15 = -30       You want to isolate tha variable

3x= -30+15    Add 15 to -15 in order to get rid of it. All you do to one side you do to the other, so you add 15 to 30

3x= -15    

x= -15÷3   Divide x by 3 in order to get rid of the 3. Do it to the other side

x=-5  

Determine the intercepts of the line.
y = -2x-21
X-intercept:
y-intercept:

Answers

Ummm eeee i dont knowwwe

т.N лежи на отсечката AB, така, че AN:NB=7:4, AN=22,4dm. Дължината на отсечката AB

Answers

yes um can you translate that?

Please please please please help ASAP I will give the brain thing if you have a correct answer + explain :)

Answers

Answer:

11

Step-by-step explanation:

every ratio is been multiplied for eleven si if we know this we can tell that

1 times 11= 11

Answer:

11

Step-by-step explanation:

Just times the things by 11, 5 times 11 is 55, 10 times 11 is 110, and 20 times 11 is 220, so 1 times 11 is 11 so 11 is the answer.

CAN I GET BRAINLLEST NOW!!!!!!!!!!!?????????????

PLEASE  

(○’ω’○)⊙_⊙-_-||囧rz◑﹏◐(?_?)(T_T)O_o::>_<::^O^-_-z(ToT)o_O

What number is one hundred less than 421

Answers

Answer:

321 make me brainliest

Step-by-step explanation:

The number is 321.

Given that;

The written expression is,

''number is one hundred less than 421''

We have to find the number.

What is an expression?

Expression in math is defined as the collection of the numbers, variables and functions by using signs like addition, subtraction, multiplication, and division.

The written expression is,

''number is one hundred less than 421''

The mathematical expression is written as;

421 - 100 = 321

Hence, The number is 321.

Learn more about the mathematical expression visit:

https://brainly.com/question/17166863

#SPJ2

HELPPPPPPPPPPPPPPPPPP

Answers

Answer:

23 or 22....

Step-by-step explanation:

because he got 3 questions wrong sooooo yeah... ya✋

Answer:

The student had a total of 25 questions on his test.

Step-by-step explanation:

Given that:

Number of questions answered correctly in the test = 20

Percentage scored in the test = 80%

Let,

x be the total number of questions on test.

We know that 80% of the test is 20 questions, therefore,

80% of x = 20

[tex]\frac{80}{100}x=20\\0.8x=20[/tex]

Dividing both sides by 0.8

[tex]\frac{0.8x}{0.8}=\frac{20}{0.8}\\x=25[/tex]

Hence,

The student had a total of 25 questions on his test.

A photo of an ant in a science book is increased to 618% as large as the actual size. If the ant is 15 millimeter, what is the size of the ant in the​ photo?

Answers

Answer:

92.7?????

Step-by-step explanation:

A bus makes a stop at 2:30, letting off 11 people and letting on 5. The bus makes another stop ten minutes later to let off 3 more people. How does the number of people on the bus after the second stop compare to the number of people on the bus before the 2:30 stop?

Answers

Answer:

Answer down below Branliest Please

Step-by-step explanation:

You make 12 equal payments. You pay a total of $2100. How much is each payment?

Answers

The answer will be 175
2100/12 = 175 I hope this helps!!

7b + 15 +4 it says write two equivalent expressions.Help

Answers

Answer:

1. 4b+3b+15+4

2. 7b+19

Step-by-step explanation:

Both are equivalent expressions :))

Can somebody help me??

Answers

Answer:

65 miles

Step-by-step explanation:

Answer:

65MPH (or 65 miles)

Step-by-step explanation:

I used a proportion:

487.5MI/7.5HR = ?MI/1HR

(mi/hr = mi/hr)

cross multiply:

487.5 x 1 = 487.5

then divide:

487.5 divided by 7.5 =

65 miles

Hope this helps!

Bri <3

Ava' s cell phone plan allows her to send up to 125 text messages per month if she sent 90 text so far what percent of her monthly message limit has she used​

Answers

Answer:

90/125*100=9000/125

9000/125=72

72%

PLEASE HELP
(07.06 MC)

What is the solution to the equation fraction 3 over 5 n minus fraction 4 over 5 equals fraction 1 over 5 n?

n = fraction 5 over 2

n = −1

n = fraction 5 over 3

n = 2

Answers

9514 1404 393

Answer:

  n = 5/3

Step-by-step explanation:

Eliminate fractions, add 4, divide by the coefficient of n.

  [tex]\dfrac{3}{5} n-\dfrac{4}{5}=\dfrac{1}{5}\\\\3n-4=1 \qquad\text{multiply by 5}\\\\3n=5 \qquad\text{add4}\\\\\boxed{n=\dfrac{5}{3}} \qquad\text{divide by 3}[/tex]

Is this correct? I need help

Answers

Yes it is correct hafhssjkstsdd

Given a term of 7 and a common difference of -2 give the arithmetic sequence

Answers

Answer:

7, 5, 3, 1, ...

Step-by-step explanation:

7, 5, 3, 1, ...

The rule for this arithmetic sequence is -2n + 9

7.
NOT TO
SCALE
8.
Р
С
B
In the diagram. PQ is parallel to BC.
APB and AQC are straight lines.
PQ = 8 cm, BC = 10 cm and AB = 9 cm.
Calculate PB​

Answers

Answer:

PB = 1.8

Step-by-step explanation:

PQ = 8 cm, BC = 10 cm and AB = 9 cm

∆ABC is similar to ∆APQ.

Therefore:

[tex] \frac{AB}{AP} = \frac{BC}{PQ} [/tex]

Plug in the values

[tex] \frac{9}{AP} = \frac{10}{8} [/tex]

Cross multiply

AP × 10 = 8 × 9

AP × 10 = 72

Divide both sides by 10

AP = 7.2

PB = AB - AP

PB = 9 - 7.2

PB = 1.8

When adding 32.83 to a certain number, the sum is 37.63, as seen below. What number should go in the box to complete the addition problem?

The decimal 32.83 is added to an unknown whole number and 8 tenths to equal 37.63.

2
3
4
5

Answers

Answer:

4.

Step-by-step explanation:

32.83 + 0.8 = 33.63

37.63 - 33.63 = 4.

Answer:

The answer is the 3rd option/C, 4

Step-by-step explanation:

ME SMART

What is the slope of the line that passes through the points

Answers

Answer:

The slope is -2

Step-by-step explanation:

(−4,7);(2,−5)

(x1,y1)=(−4,7)

(x2,y2)=(2,−5)

m= y2−y1 /x2−x1

−5−7 /2−4

−12 /6

−2

PLZZZZZZ BRAINLIESTTTTT

Answers

6 should be your answer
It should be 6 sorry if I’m wrong

(12x³+x²)-(18x³-3²+6)

Answers

answer is
-6x^3+x^2+3



Which step could be used to solve x + 3.6 = negative 1.7 for x in one step? Select two options. Add 3.6 to both sides. Add Negative 3.6 to both sides. Add 1.7 to both sides. Add Negative 1.7 to both sides. Subtract 3.6 from both sides.

Answers

Answer:

Subtract 3.6 from both sides.

Step-by-step explanation:

Given

[tex]x + 3.6 = -1.7[/tex]

Required

Solve in one step

There are two ways to go about it.

1. Collect Like Terms

[tex]x + 3.6 = -1.7[/tex]

3.6 and -1.7 are like terms, so the equation becomes

[tex]x = -1.7 - 3.6[/tex]

[tex]x = -5.3[/tex]

2. Subtract 3.6 from both sides

[tex]x + 3.6 = -1.7[/tex]

This becomes

[tex]x + 3.6 - 3.6 = -1.7 - 3.6[/tex]

[tex]x = -5.3[/tex]

Hence, the last option answers the question.

Answer:

Option 2and 5 are correct.

Step-by-step explanation:

-Add -3.6 to both sides

-Subtract 3.6 from both sides

what is 1.117468769rounded two decimal places​

Answers

Answer:1.12Hope this helps!!

If two angles are supplementary and one of the angles measures 62°, what is the measure of the other angle?

Answers

Answer:118 for the other angle

Step-by-step explanation:trust me bro

Given that a triangle equals 180 we can subtract 62 from that. After that we will get the answer 118 we want to divide this by 2 because the remaining sides are supplementary this gives us the answer of “59”

1. Find the length of the rectangle below.

Answers

Answer:

Given - A rectangle whose area is 1 2/5 m^2

- length is 4/5 m

To find - Length of rectangle

Solution -

1 2/5 = 7/5 m^2

Let the length be X

Area of rectangle= Length × Breadth

7/5 = X × 4/5

7/5 × 5/4 = X

7/4 = X

Length of rectangle= 7/4

Answer:

ANSWER IS 15x20 Please make meh brainlist

Marla invested $78,170 in a simple interest account. After 9 years and no additional deposits or withdrawals, the account balance was $150,606.59. Find the interest rate for the account.

Answers

Answer:

10% interest

Step-by-step explanation:

150,606.59 - 78,170 = 72,436.59

72,436.59 / 9 = 8,048.51

8,048.51 / 78,170 = 0.1029... = 10%

Other Questions
out of 300 students surveyed 17 have a dog predict how many of the 300 in school have a dog which of these pieces of land is an example of a fief? 1.Who are Hermia, Demetrius, and Lysander? Which answer(s) show(s) a stage of change in the transtheoretical model?(Select all that apply.) A.) postcontemplationB.) maintenanceC.) temptation D.) precontemplation where did chinese civilization first develop? Why did it develop in the location? Which diagram represents an electrically neutral atom? Which of the following agreements resulted in the territorial changes depicted in the map?Missouri CompromiseTreaty of Guadalupe-HidalgoOregon TreatyKansas-Nebraska Act y is directly proportional to x. When y = 24, ,x=8. Work out the value of y when x=2 A bag contains 10 red, 3 blue, and 2 yellow marbles. If 3 marbles are selected one at a time with replacement, find the probability that all three are different colors I NEED HELP PLEASE The amount y of your friend's allowance if the amount she receives is $8 more than the amount x you receive. Why was Louisiana the least likely state to secede? Check all that apply. Louisiana had close social ties to the North.Louisiana relied on trade with the North.Louisiana had previously supported the abolition of slavery. Louisianans were strong supporters of states rights. Most voters in Louisiana had supported pro-Union candidates in the election. Some people have been complaining that the children's playground at a municipal part is too small and is in need of repair. Managers iof the pard decide to survey city residents to see if they believe the playground should be rebuild. They hand out questionnaires to parents who bring children to the park and asked: "Do you think the playground should be repaired and expanded even if that means raising the entrance fee to the park?" Which type of bias is most likely to have occurred in this situation? aVoluntary Bias bWording Bias cResponse Bias dNon-Response Bias Ok so if you help out Ill give that brain thing but you have to put a correct answer thanks :))) The Albany Plan of Union, proposed by Benjamin Franklin, was intended to ______.A. Surrender to the Natives B. Unite the Colonies C. bring peace in Europe D. Surrender the french Expression A Expression B Expression C (5)(0.4)(1.8) (-45)(-19)(-112) 1(5+17) Expression D Expression E Expression F (5)(0.4)(1.8)(3.25) (-49)(-34)(-12)(-12) 1(3.57) How many expressions will have a product that is positive? what is the smallest division on 4 balance g (True/false)Sodium borohydride, NaBH4, is a reducing reagent which converts carbonyl to carboxylic acids please help me I need solve by using the quadratic formulax^2-4x=-2 What value of x makes the equation 3(x 6) = 8x 3(3x + 7) true?