Mathematics High School

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Answers

Answer 1

Y-5=3(x+4)
Y-5=3x+12
Y=3x+12+5
Y=3x+17

Related Questions

FIND VALUEE OF Y !!!

Answers

Answer:

Step-by-step explanation:

9y+12=75

subtract 12 from 75

divide by 9y

Find the y-intercept of the equation y = -0.5x - 3

Answers

Answer: -3

Step-by-step explanation: When you graph this that’s what you get

Answer:

-3

Step-by-step explanation:

the y intercept is when x is 0 on the graph. Since you know x has to be zero, you can substitute x for 0 in the equation:

y = -0.5x0 -3

Now you can ignore that first part of the equation because it equates to 0, and so you get:

y= 0 - 3

which equals:

y=-3

What is 67 1/2 as a fraction

Answers

Answer:

67.5

Step-by-step explanation:

you turn your fraction into a decimal and to find the decimal you take the number and put it out of 100 such as 1/2 is 50/100 therefore meaning you get .50

67 1/2 in fraction form is 135/2 .

Given,

67 1/2 in mixed fraction .

Now to convert mixed fraction to simple fraction follow the following steps,

Multiply the whole number and denominator of the fraction . After that add numerator part to the result of multiplication . Fraction will be formed by keeping the denominator same,

Thus the resultant will be,

67*2 = 134

134 + 1 = 135

Hence the fraction part is :

135/2.

Know more about fractions,

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please answer this question.

Answers

Answer:

Step 3

Step-by-step explanation:

Answer:

step 3

Step-by-step explanation: 2 to the 3rd is 8 not 9

Maria found the least common multiple of 6 and 15. Her work is shown below.

Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . .
Multiples of 15: 15, 30, 45, 60, . . .

The least common multiple is 60.

What is Maria’s error?

Maria listed some values that were not multiples.
Maria listed factors of each number instead of multiples.
Maria should have multiplied 6 and 15 to find the least common multiple.
Maria selected a multiple that is not the least of the common multiples.

Answers

Answer:

I think its "Maria selected a multiple that is not the least of the common multiples"

Step-by-step explanation:

I think the real answer would be 30 because it the lowest number that they both share....

Answer: the answer is d, she selected a multiple that is not a least common multiple. The least common multiple is the number both sets of numbers share, which would be 30.

Gabriella has four times as many erasers as Leona Leona has eight erasers how many erasers does Gabriella have?

Answers

Answer:

32 erasers.

Step-by-step explanation:

Leona has 8 erasers. Gabriella has 4 times as many. This means we have to multiply 8 by 4 to get the answer.

8x4 = 32 erasers.

Steve drives 60 miles on 3 gallons of gas. Find the miles per gallon.

Answers

Answer: 20 miles per gallon

Step-by-step explanation:

Answer:

20 miles per gallon

Step-by-step explanation:

60 divided by 3=20

Twenty-two percent of the seventh-grade class at Santa Ana Middle School has blue eyes. If the seventh-grade class has 139 students, about how many have blue eyes?

Answers

Answer:

30.58

Step-by-step explanation:

If you turn the 20% into a decimal you get .25 and do the equation .25x 139. This gives you 30.58

If the seventh-grade class has 139 students then 31 students have 31 students.

What is Percentage?

percentage, a relative value indicating hundredth parts of any quantity.

Given that Twenty-two percent of the seventh-grade class at Santa Ana Middle School has blue eyes

The number of students in seventh-grade class are 139.

We have to find the number of students who has blue eyes in Santa Ana Middle School.

Convert 22% to decimal value.

22/100=0.22

Now multiply 0.22 with 139

0.22×139

30.58=31 students

Hence, If the seventh-grade class has 139 students then 31 students have 31 students.

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Evaluate -2x if x = 10

Answers

Answer:

-20

Step-by-step explanation:

Since x = 10, you would multiply -2 by 10

-2 is negative.

Therefore your answer is negative.

-20

Answer

-2x if x = 10 then the answer would be 20

Step-by-step explanation:

the answer is 20 because -2*10=20 and you have more positives than you do negatives so it would be positive 20

What is the quotient? −678÷(−334)

Answers

Answer:

2.03

Step-by-step explanation:

A binder at the store costs $4.87. A pack of pens at the same store costs $2.94. You pay for both the binder and pack of pens with a $20 bill
How much change do you receive?

Answers

Answer:

How much change you receive is $12.19

Step-by-step explanation:

$20 - $4.87 (price of a binder) - $2.94 (price of pack of pens) = ?

$4.87 + $2.94 = $7.81

$20 - $7.81 = $12.19

please help me find m<1-m<3 before 11:59 !

Answers

1 = 88 2= 42 3= 113 do you want to see the work?

A driver’s distance varies directly as the amount of time traveled. After 6 hours, a driver had traveled 390 miles. How far had the driver traveled after 4 hours?

Answers

Answer:

260 miles

Step-by-step explanation:

Answer:

260

Step-by-step explanation:

you would divide 390 by 6 to see how many hours were per hour, which is 65. You would then multiply it by 4 to see how far they drove in 4 hours, and you get 260. To prove this is right for sure you could multiply 65x2 which is 130 and add 130+260 which would make up the 6 hours and you’d get 390

(7x+2)=(x+8) find the measure of DCE

Answers

Answer:

= 1?

Step-by-step explanation:

7x-x = 6x
8-2=6
6x=6
6x/6=6/6
X= 1

Find the length of the rectangle if x = 10.

Answers

Answer:

what is the other lenght? a rectangle has 2 different kinds of sides. Unless you meant a square.

The daily cost of hiring a plumber, y, to work x hours on a repair project can be modeled using a linear function. The plumber works a maximum of 8 hours per day.
For one day a work, what is the range of the function for this situation?

Answers

I think it’s the first and last option I hope this helps

y=5x+1 and y=3x+13
System of equations?

Answers

Answer:

(6,31)

Step-by-step explanation:

solve the both equation;

3X+13=5X+1

or, 12=2X

or, X=6

substitute the value of x in the equation;

y=5X+1

or, y=5×6+1

or, y=31

You are about to take 6 question test. Each question has 4
possible answer choices. How many ways can you answer
the test if you answer each question?
O a) 4096
b) 24
O c) 1296
d) 10
Please hurry

Answers

It is 24 letter b you are adding

Use square roots to solve the equation x2 = –64 over the complex numbers. Select any solutions that apply.
A. 8i
B. –8
C. –8i2
D. –8i

Answers

Answer:

Options A and D are correct

Step-by-step explanation:

Here, we want to find the square root of the negative number;

x^2 = -64

x^2 = 64 * -1

x= √64 * √-1

Mathematically we can write the √-1 as i

X = √64 * i

Square root of 64 is plus or minus 8

so x = -8i or 8i

The solutions of an equation are the true values of the equation.

The expression that represents the solution(s) of [tex]\mathbf{8i}[/tex] is [tex]\mathbf{-8i}[/tex]

The equation is given as:

[tex]\mathbf{x^2 = -64}[/tex]

Take square roots of both sides

[tex]\mathbf{x = \pm\sqrt{-64}}[/tex]

Expand

[tex]\mathbf{x = \pm(\sqrt{64} \times \sqrt{-1})}[/tex]

[tex]\mathbf{x = \pm(8 \times \sqrt{-1})}[/tex]

In complex numbers,

[tex]\mathbf{ \sqrt{-1} = i}[/tex]

So, we have:

[tex]\mathbf{x = \pm(8 \times i)}[/tex]

[tex]\mathbf{x = \pm8i}[/tex]

Split

[tex]\mathbf{x = 8i\ or -8i}[/tex]

So, the expression that represents the solution(s) of [tex]\mathbf{8i}[/tex] is [tex]\mathbf{-8i}[/tex]

Answers

Answer:

bottum one

Step-by-step explanation:

1.4 times 10^8 and 9.4 times 10^6.

Answers

1.4 x 10^8 = 140000000
9.4 x 10^6 = 9400000

Given AABC ADEF, AB = 4x-1, FD = 7, and DE = 8x-33.
Find the value of x and the length of DE.
x=8 and DE = 31
x=8 and DE = 9
Ox=2 and DE = 10
x = 2 and DE = 7

Answers

Answer: x=8 and DE=31

Step-by-step explanation:

the black triange in the first quadrant is the original figure label each other triangle with its transformation PLS HELP ASAP 60 POINTS PLEASE HELP ASAP

Answers

Answer:

Step-by-step explanation:

Transformation from figure 1 to figure 2,

Translation of figure 1 by 6 units to the left.

Transformation of figure 1 to figure 3,

Reflection of figure 1 across y-axis.

Transformation from figure 1 to figure 4,

Translation of figure 1 by 6 units to the left and 4 units down.

Transformation from figure 1 to figure 5,

Translation of figure 1 by 3 units left and 6 units down.

Transformation from figure 1 to figure 6,

Reflection of figure 1 across x-axis.

Solve for x.
x/2≥−4

A. x≥−2

B. x≤−8

C. x≥−8

D. x≤−2

Answers

Answer:

Step-by-step explanation:

Given

[tex]\frac{x}{2}[/tex] ≥ - 4 ( multiply both sides by 2 to clear the fraction )

x ≥ - 8

the answer is C.

you multiple 4 by 2

The system of equations y = 2x + 5 and y = –3x – 15 is shown on the graph below.According to the graph, what is the solution to this system of equations?

Answers

Answer:

(-4, -3)

Step-by-step explanation:

The graph of both lines will be shown below.

To find the solution, we need to find the point on the graph that both lines intersect on.

As we can see, both lines intersect on the point (-4, -3). Thus, that is the solution.

Best of Luck!

Answer:

X=-4 y=-3

Step-by-step explanation:

Solve by substitution:

Step: Substitute

2x+5 for y in y = −3x−15 :

2x+5+3x=-3x-15+3x ( add 3x to both side)

5x+5=-15

5x+5+-5=-15+-5(add -5 to both sides)

5x=-20

5x/5=-20/5(divide both sides by 5)

X=-4

Step: substitute -4 for x in y=2x+5

Y=2x+5

Y=(2)(-4)+5

y=-3 (simplify both sides of the equation)

I HOPE ITS CORRECT IF IT SNOT IM SORRY!!

The resistance of a wire, R ohms , is directly
proportional to its length , I meter , and inversely
proportional to the square of its radius , r meter.
(a) Express R in terms of l , r and a constant k.
(b) Maker the subject of the formula in (a).
(c) (i) Given that a wire with a length of 2 m and a radius of 0.5 cm has a resistance of 40 ohms , use your answer in (a) to find the value of k.
(ii) Hence , use your answer in (b) to find the radius of a wire with a length of 4 meters and a resistance of 60 ohms

Answers

Answer:

Step-by-step explanation:

Find the slope of the line that contains 3,6 and -4,6

Answers

The slope would be -5

Please help me!!!!!! I don't understand and have to get this done by 5;00
how do you turn 4.22 into a mixed number?

Answers

Answer:

4 11/50

Step-by-step explanation:

4.22 = 4 22/100

Now, we simplify!

4 22/100

4 11/50

Hope this helps!

Find the distance between the two ponts rounding to the nearest tenth (if necessary)
(3,6) and (1,9)

Answers

i think it is 3.6
hope this helps

Giving this Matrix choose the equation that you can use to solve for X

Answers

Answer:

its just C

Step-by-step explanation:

C. (x2 – x = 6)

C. and D. (–2 and 3)

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Please help I’ll Give you brainiest!❤️ And please solve it too thanks!!!

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Please help I’ll
Give you brainiest!❤️

And please solve it too thanks!!!