I need help on number 2 , 3 and 4

I Need Help On Number 2 , 3 And 4

Answers

Answer 1
3. 0
4. 5/3, positive
I can’t see the instructions for 2

Related Questions

Solve for x: 3x−7=7x+13

Answers

Answer:

x=-5

Step-by-step explanation:

[tex]3x-7=7x+13\\\\3x-7+7=7x+13+7\\\\3x=7x+20\\\\3x-7x=7x+20-7x\\\\-4x=20\\\\\frac{-1}{4}(-4x) =\frac{-1}{4}(20)\\\\x=-5[/tex]

if x=2⅓-2, then find the value of x³+6x²+12x​

Answers

Answer:

4  19/27

Step-by-step explanation:

x = 2 1/3 - 2

= 1/3

x³ + 6x² + 12x =

= (1/3)³ + 6(1/3)² + 12(1/3)

= 1/27 + 6×1/9 + 12×1/3

= 1/27 + ⁹⁾2/3 + ²⁷⁾4

= (1 + 18 + 108)/27

= 127/27

= 4  19/27

I need help with math please

Answers

Answer:

47/30

Step-by-step explanation:

2.35 * 2/3 =

= 2 35/100 * 2/3

= 2 7/20 * 2/3

= 47/20 * 2/3

= 94/60

= 47/30

Answer:

47/30

Step-by-step explanation:

4. Order the set of numbers from least to greatest: (4 points)
5
6
-5,
5.-26
31
6
O
31
6
.- 26, -5,
-5. -
6
O 5
6'
31 -126
-5,
6
O -126
31
5
6
O 5
6'
-5, -√26,
31
6

Answers

Answer:

Sorry to waist your time but no one would know this not even the person who made the question.

Step-by-step explanation:

The ratio of toucans to macaws at the zoo was 5 to 7. If there were 60 total birds, how many were macaws?

Answers

Answer:

5+7=12

12=60

7=?

cross multiply

7×60/12

35macaws

what is b ? -14 - 5b + 2b = -2 - 2(1 - b)

Answers

Answer: B = -2

Step-by-step explanation:

-14 - 5b + 2b = -2 - 2(1 - b)

-14 -3b = -2 -2 + 2b

-14 - 3b = -4 + 2b

-10 = 5b

b = -2

I'm bad at explaining

Answer:

b = -2

have fun

50 POINTS Iann bought a carpet to cover 500 square feet. He wants to cover a room that is 10feet and 5 inches long by 9 feet and 7 inches. About how much will he have left over for the rest of the house?

Answers

Answer:

20.85 ft

Step-by-step explanation:

first convert 7 in to ft than add 9 to it

10×5×9.583 = 479.15ft that's how much carpet he needs for his room

500-479.15= 20.85ft left for the rest of his house

9. Fill in the blank. -8 +_= -15
10. Fill in the blank. 12 +_=-30
Please respond quickly thank you!

Answers

Step-by-step explanation:

9. -8+(-7)=-15

10. 12+(-42)=-30

The differences in y-values the differences in y- values produced by a constant change in x- values in a function are called
differences.

Answers

Answer:

y equals the value of it answer on the question if you compare two apples

Step-by-step explanation:

i took the test to find out

round 9.69 to the nearest whole number

Answers

I think the answer is 10 because you can go down and you can’t get any higher than that

Rounding 9.69 to the nearest whole number gives us 10.

Given that we need to round the decimal number 9.69 to the nearest whole number,

To round 9.69 to the nearest whole number, we look at the decimal part of the number, which is 0.69.

Since the decimal part is greater than or equal to 0.5, we round the whole number up to the next higher number. In this case, 9.69 is closer to 10 than to 9, so we round it up to 10.

Therefore, rounding 9.69 to the nearest whole number gives us 10.

Learn more about Rounding Numbers click;

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for auto tech and uhh it’s rlly just about starting a toolbox with tools sort of deal thing with a $600 budget

Answers

Yes, what are you trying to solve? What is the formula?

NEED IT ASAP
what’s is the quotient
2 1/5
———
-1/10

Answers

Answer:

2 1/5 ---- 1/10 = 21

10

= 21

10

= 2.1

Step-by-step explanation:

A marine biologist discovered species with a diameter of 0.00085 inches. Express this measurement using scientific notation.

Answers

Answer:

8.5 or 8.50

Step-by-step explanation:

Move the decimal to the right four times, it will be in the middle of the 8 and 5.

What type of relationship is indicated by the following set of ordered pairs ? I don’t understand it .

Answers

Answer: Since the second differences are constant, there is a quadratic relationship between and .

Step-by-step explanation:

3(8⋅7−45)+5(6⋅4−1) Just checking to see if it is right

Answers

Answer: 148

Step-by-step explanation:

Answer:

3(8⋅7−45)+5(6⋅4−1) = 148

The height of a tree is 38 inches. After 4 years, the height is 9 feet 10 inches. How many inches did the tree grow each year?

Answers

The tree grows linearly, then the tree grows each year will be 20 inches.

What is the linear system?

A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.

The height of a tree is 38 inches.

After 4 years, the height is 9 feet 10 inches.

1 ft = 12 inches

9 ft = 180 inches

Then 9 ft and 10 inches will be

→ 108 + 10

→ 118 inches

The tree grows in 4 years and will be

→ 118 - 38

→ 80 inches

Let the tree grows linearly, then the tree grows each year will be

→ 80 / 4

→ 20 inches

More about the linear system link is given below.

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2y=12+4y please show work

Answers

Answer:Step 1: Simplify both sides of the equation.

2y=4y+12

Step 2: Subtract 4y from both sides.

2y−4y=4y+12−4y

−2y=12

Step 3: Divide both sides by -2.

−2y

−2

=

12

−2

y=−6

Answer:

y=−6

 

Step-by-step explanation:

Ok so you have to take away the y term with that is added with the non term and subtract it with the other y term since they’re both positive. Once you get your answer, divide it with the no term number and there’s your final answer.

2y=12+4y
-4y -4y

6y=12

12/6=2

Answer is 2

f(x) = 4x – 10
g(x) = -8x2 + 6x – 10
Find: f(x) · g(x)

Answers

Answer: f(x) · g(x)=-32x³+104x²-100x+100

Step-by-step explanation:

Since we are given f(x) and g(x), all we have to do is multiply them together.

f(x) · g(x)=(4x-10)(-8x²+6x-10)                              [distribute by FOIL]

f(x) · g(x)=-32x³+24x²-40x+80x²-60x+100         [combine like terms]

f(x) · g(x)=-32x³+104x²-100x+100

Now, we have multiplied them together, we have f(x) · g(x)=-32x³+104x²-100x+100.

what is the value of -2|6x -y| when x-3 and y =4

Answers

So, we have been given the following

[tex]-2(6x -y)[/tex]

But, we have also been given heads up that [tex]x=-3[/tex], and [tex]y=4[/tex].

So, that would mean the new equation would be the following.

[tex]-2(6-3 -4)[/tex]

After we solve it our answer should be [tex]2[/tex]!

If this helps then please mark me brainliest!

Answer:

-44

Step-by-step explanation:

Given:

-2|6x -y|x = -3y = 4

Solution:

-2|6*(-3) - 4| =-2|-22| =

Absolute value is always positive, therefore |-22| = 22

-2*22 =-44

What is the distance between P(-3, 10 ) and Q( 12,-6)

Answers

(15, 16) you’re welcome lol

Those are the math questions I need the answers of ​

Answers

Answer:

1)

[tex]12\sqrt{18}-3\sqrt{50}+\sqrt{32}[/tex]

[tex]12\sqrt{9}\sqrt{2}-3\sqrt{25} \sqrt{2} +\sqrt{16} \sqrt{2}[/tex]

[tex]12\times3\sqrt{2} -3\times5\sqrt{2}+4\sqrt{2}[/tex]

[tex]36\sqrt{2}-15\sqrt{2}+4\sqrt{2}[/tex]

[tex]25\sqrt{2}[/tex]

2)

[tex]\frac{1}{5+2\sqrt{6}}[/tex]

Multiply [tex]5-2\sqrt{6}[/tex]:

[tex]\frac{1\times \left(5-2\sqrt{6}\right)}{\left(5+2\sqrt{6}\right)\left(5-2\sqrt{6}\right)}[/tex]

Apply Difference of Squares formula: [tex](a+b)(a-b)=a^2-b^2[/tex]

[tex]\frac{5-2\sqrt{6}}{5^2-\left(2\sqrt{6}\right)^2}[/tex]

[tex]\frac{5-2\sqrt{6}}{25-2^2\left(\sqrt{6}\right)^2}[/tex]

[tex]\frac{5-2\sqrt{6}}{25-4\times6}[/tex]

[tex]\frac{5-2\sqrt{6}}{1}[/tex]

[tex]{5-2\sqrt{6}}[/tex]

a = 5, b = -2

What is the value of g? 2/5(g−7)=3 Enter your answer as a mixed number in simplest form in the box. g = $\text{Basic}$

Answers

Answer:

14 1/2

Step-by-step explanation:

I took the quiz in K12

Answer:

aye whatup my bros yall also in k12 noice im in 8th grd

Step-by-step explanation:

what is the gradient of the line 3x+y=4

Answers

Answer:

The slope is - 3

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

The equation is 3x+y = 4

To find the slope of the line we must first write the equation in the general form above

Make y the subject

That's

y = - 3x + 4

Comparing with the general equation above

Slope of the line = - 3

Hope this helps you

Help how do i do these

Answers

Answer:

Step-by-step explanation: What I would do is make the triangle into a square and what ever is mirroring it i would put that for my answer and then I would round it. I used to do this i don't exactly remember. Sorry if this doesn't help.

Jasmine has 8 packs of candle wax to make scented candles. Each pack contains 14 oz of wax. Jasmine uses 7 oz to make one candle. How many candles can she make?

Answers

16 candles. 14 multiplied by 8 equals 112. 112 divided by 7 equals 16.

factors of 4x^3-14x^2+12x

Answers

Step-by-step explanation:

4x³ - 14x² + 12x

= 2x[2x² - 7x + 6]

= 2x[(2x-3)(x-2)]

= 2x(2x-3)(x-2)

2 5 x y + =
Solve for Y
Please hellppppppppp

Answers

I do not think all of the question is there.

25 X y = / y would have to

The diagram is not drawn to scale
14.
2x-9
Find the value of x.

Answers

Answer:Step-by-step explanation:

10

The value of the x is 8 if after using the property of a similar triangle.

What is the similarity law for triangles?

It is defined as the law to prove that the two triangles have the same shape, but it is not compulsory to have the same size. The ratio of the corresponding sides is in the same proportions and the corresponding angles are congruent.

We have a triangle shown in the picture.

By using the property of a similar triangle:

2/1 = 14/(2x-9)

2x - 9 = 7

2x = 7 + 9

2x = 16

x = 8

Thus, the value of the x is 8 if after using the property of a similar triangle.

Learn more about the similarity of triangles here:

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What is the value of -6^2?
-12
036
-36
12

Answers

Answer:

21

Step-by-step explanation:

Steps to solve:

-6^2

-6 * -6

6 * 6

36

Best of Luck!

Please help !!!!!!Asap!!

Answers

Answer: x=7, EF=12, FG=15

Step by Step:
(4x-16) + (3x-6) = 7x-22
7x-22=27
7x=27+22
7x=49
x=7

4(7)-16= 12
3(7)-6=15
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