Mathematics High School

2 (y-4) -5(y+8) = 0

its multi step equation and i still can't figure out how to do this​

Answers

Answer 1
Use photo math but the answer is y= -16 they will explain it step by step
Answer 2

Answer:

y=-16

Step-by-step explanation:

2(y-4)-5(y+8)=0  (distribute the 2 and the negative 5)

2y-8-5y-40=0   (combine like terms)

-3y-48=0    (add 48 to both sides)

-3y=48     (divide both sides by -3)

y=-16

Hope this helps :)

Related Questions

The area of the square is
........ square centimeters.
9.5 cm
9.5 cm

Answers

area=a^2
9.5^2 = 90.25

i wasnt paying attention in math class and now I cant do my assignment ahh​

Answers

Answer:

336m^2

Step-by-step explanation:

base x height + (side1 + side2 + Height)Length

Solve for x and show work.

Answers

Answer:

44

Step-by-step explanation:

since 88 is the whole angle and your trying to find 1 side you would divide 88 by 2 which gives u 44

I don’t know if this is correct !!!!!!! Please answer correctly !!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!

Answers

Answer:

yes i think

Step-by-step explanation:

I need help on this ASAP

Answers

75cm²

Explanation:

10 times 15 is 150 and since it is a triangle you divide in half so the answer is 75. And in this case the 18 is not needed.

Answer:

75cm²

Step-by-step explanation:

The area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle. But in this case, there are three sides.

To find the area of a triangle with 3 sides given as 10, 15, and 18, we assume that a = 10, b = 15, and c = 18.

Then the semi-perimeter is, s = (a + b + c)/2 = (10 + 15 + 18)/2 = 21.5. We will find the area of the triangle using Heron's formula.

A = √[s(s-a)(s-b)(s-c)]

= √[8(21. 5-10)(21.5 -15)(21. 5-18)]

= √[21.5 × 11.5 × 6.5 × 3.5]

= √(5625)

≈ 7.5

If 5x + 1 = 21 then x =

Answers

Answer:

X would equal 4

Step-by-step explanation:

5 x 4 is 20. And the equation was 5x + 1 = 21.

So, the answer would equal 20. Hope this helped!! :D

Answer:

x=4

Step-by-step explanation:

Start with your equation: 5x+1=21

Subtract 1 on both sides: 5x=20

Divide by 5 on both sides: x=4

Hope I helped

can someone pleease help my teacher will not help me.

Answers

Answer:

The perimeter is 206.

Step-by-step explanation:

When given the area, height and side of the parallelogram, you would use the formula to find the perimeter: P=2a+2*A /h. a = side of the parallelogram, A = area, and h = height. When you plug in everything, you will get 206.

The answer is 206 yes

someone help pls, :((((

Answers

I’m starting to learn this in class, starting today. it may be wrong.
but to complete a quadratic square, you do (b/2)^2
which b would be 8.
so (8/2)^2
which would turn out to be 16

so the number added to complete the square would be 16.

A set of instructions says to subtract 5 from a number n and then double that result, calling the final result p. Which
Function rule represents this set of instructions?
A p = 2(n-5)
B. p = 2n-5
C. n = 2(p-5)
D. n = 2p - 5

Answers

Answer:

it either A or B im not sure which one

Step-by-step explanation:

Convert.

32 ft =
yd
ft Helpp

Answers

Answer:

10.667 yards

Step-by-step explanation:

what is m∠ BAC???????

Answers

Answer:

36 degrees

Step-by-step explanation:

I’m pretty sure that’s it

36. That’s the answer mate

A 2-mile walking trail has a distance marker every 1\4 mile. How many markers are along the trail?

Answers

Answer: 8

Step-by-step explanation:

From the question, we are informed that a 2-mile walking trail has a distance marker every 1\4 mile. Hl

The number of markers that are along the trail will be calculated as:

= Length of walking trail / interval of distance marker

= 2 ÷ 1/4

= 2 × 4

= 8

There are 8 markers along the trail.

Solve for x
3x + 9
x=
33
30
27

Answers

33 is the answer ......

Answer:

Please can you complete the question

Please help me, will mark brainliest

Answers

Answer:

EThir 83 or  180

Step-by-step explanation:

11. A rate written as 80 miles per hour is an example of a
(2 points)

A.Ratio

B.Equivalent Ratio

C.Unit Rate

Answers

The answer for this is c

help me plzz and thank u sm

Answers

Answer:

The equation of the axis of symmetry is x = 7

Step-by-step explanation:

Mathematically, we have the equation of the axis of symmetry as;

x = -b/2a

where a is the coefficient of x^2 = 1

b is the coefficient of x which is -14

So, the equation of the axis of symmetry will be;

x = -(-14)/2(1) = 14/2 = 7

So the equation of the axis of symmetry is x =7

How many words can be formed from the letters of the word 'ENGLISH' ? How many these do not begin with E? How many of these begin with E and do not end with H?​

Answers

Total Number of words made out of English = 93

9k^2+11k-36k-44 ????

Answers

Answer:

[tex]9k^{2} - 25k - 44[/tex]

Step-by-step explanation:

0.4209" to the nearest common fraction

Answers

Answer:

4209/10000

Step-by-step explanation:

42.09%=4209/10000

Please answer! Answer choices are: A, B, C

Answers

Answer:

A

Step-by-step explanation:

which property is BEST to use when combining 3/5 + 1/4 + 2/5? A) distributive property B) identity property of addition C) additive inverse property D) commutative property of addition

Answers

Answer:

D Community property of addition

Step-by-step explanation:

Answer:

d

Step-by-step explanation:

Work out the area of this circle.
Give your answer in terms of it and state its units.
14 cm

Answers

Answer:

area = 153.94

Step-by-step explanation:

Diameter = 14. Half of 14 is 7, so radius = 7.

Formula for the area of a circle = π * r^2, so π * 7^2 = 153.93804

helppp! I literally can’t find anything in Brainly I’m dead failing does someone at le

Answers

Answer:

C

Step-by-step explanation:

volume of a cone = πr²[tex]\frac{h}{3}[/tex]

so 20² x π x [tex]\frac{35}{3}[/tex] = 14660.76572

The correct answer is C. If you want to learn how to do it go to Khan academy and type in what your learning!!!

What is the difference between 2386 and 7000 check your answer using inverse operations

Answers

Answer:

7,000 - 2,386 = 4,614

4,614 because 7000-2386=4614 and if you use inverse operation it is 2386+4614=7000

Calculate the mean for each set of data.
a 12, 18, 9, 14, 8, 7​

Answers

Answer:

11.3, rounded

Step-by-step explanation:

mean = average. Add them all up, then divide by how many entries/data points you have.

12 + 18 + 9 + 14 + 8 + 7 = 68

There are 6 numbers we added, so 68/6 = 11.3333333

Please let me know if you have questions.

__________________————-

A company that makes hard candy have a standard bag of hard candy with 150 pieces. The hard candy has three distinct colors red, white and orange and equal proportion of each candy is present in the standard bag. The manager wants to know whether the bags produced last Monday were similar to the standard bag. To test this, they plan to choose a random bag from the batch and compare it with the standard bag. You will have to answer questions below to assist the manager in comparing the two bags.

1. What is the alternate hypothesis for this exercise? (Select the most appropriate response)
A. The bag of candy produced last Monday is like the standard bag.
B. The bag of candy produced last Monday is different from the standard bag.
C. The two bags cannot be compared.
D. We need more bags to complete the comparison.
2. What is the null hypothesis for this exercise? (Select the most appropriate response)
A. The bag of candy produced last Monday are like the standard bag.
B. The bag of candy produced last Monday is different from the standard bag.
C. The two bags cannot be compared.
D. We need more bags to complete the comparison.
3. After performing the necessary calculations, the chi-square value of the test is 6.7. The cut-off/critical value of chi-square test is 5.991 (for 5% chance).
What is your conclusion about the bags based on this result? (Select the most appropriate response)
A. The bag of candy produced last Monday is like the standard bag.
B. The bag of candy produced last Monday is different from the standard bag.
C. The two bags cannot be compared.
D. We need more bags to complete the comparison.

Answers

Answer:

1. B. The bag of candy produced last Monday is different from the standard bag.

2. A. The bag of candy produced last Monday are like the standard bag.

3. B. The bag of candy produced last Monday is different from the standard bag.

Step-by-step explanation:

Given - A company that makes hard candy have a standard bag of hard candy with 150 pieces. The hard candy has three distinct colors red, white and orange and equal proportion of each candy is present in the standard bag. The manager wants to know whether the bags produced last Monday were similar to the standard bag. To test this, they plan to choose a random bag from the batch and compare it with the standard bag. You will have to answer questions below to assist the manager in comparing the two bags.

To find - 1. What is the alternate hypothesis for this exercise?

              2. What is the null hypothesis for this exercise?

              3. After performing the necessary calculations, the chi-square value of the test is 6.7. The cut-off/critical value of chi-square test is 5.991 (for 5% chance).  What is your conclusion about the bags based on this result?

Proof -

1.

The alternate hypothesis is - B. The bag of candy produced last Monday is different from the standard bag.

2.

The null hypothesis is - A. The bag of candy produced last Monday are like the standard bag.

3.

The conclusion is - B. The bag of candy produced last Monday is different from the standard bag.

Thomas is opening a savings account. Which integer represents his possible balance after making a deposit
A -10
B-5
C 0
D 10

Answers

i think the answer is b
i think it’s D

because it the only positive

Help plz ASAP for 20pts

Answers

Answer:

Not sure if this is correct but this is what I found.

area of sector=74.84

radius = 8

angle of sector=?

74.84=1/2×8²×angle of sector

74.84=32 × angle of sector

74.84/32= angle of sector

2.33875=angle of sector

Step-by-step explanation:

Sorry if it is incorrect.

the surface area 5cm x 14cm x 6cm

Answers

The surface is the sun of all the sides. With the information provide I can only work out the volume, which is 420cm^3

What is the volume of a rectangular prism with a length of 2.5 cm, a width of 3.1 cm and a height of 1.2 cm?



A. 7.75 cm³
B. 8.1 cm³
C. 8.3 cm³
D. 9.3 cm³

Answers

The answer is D- 9.3cm^3
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