Mathematics High School

What is the solution of the equation 56 = 2.8y?
A. y = 20
B. y = 156.8
C. y = 2
D. y = 58.8

What Is The Solution Of The Equation 56 = 2.8y?A. Y = 20B. Y = 156.8C. Y = 2D. Y = 58.8

Answers

Answer 1
the answer would be a:)

Related Questions

solve for the value of y

Answers

Answer:

y=8

Step-by-step explanation:

the sum of the three angles is 180

57 + 90 + 5y-7 = 180

5y + 140 = 180

5y = 40

y = 8

y = 8 i hope you do good !

See above to see question

Answers

Answer:

A)65°

B)110°

C)50°

D)55°

E)80°

Step-by-step explanation:

Since the angle on a straight line should be 180, you  simply subtract the given angles from 180

hope I helped

I don't have a clue! I WILL MARE BRAINLIST

Answers

R=5, 5*5=25, 25*5=125 C:

Answer:

r= 5

Step-by-step explanation:

because 5^3 = 125 or 5*5*5 = 125

When the function is given in vertex form y = a(x-h)? + k, how is the vertex found?
a. (kh)
b. (x,y)
c. (h,k)
d. (y,x)

Answers

Answer:

c. (h, k)

Step-by-step explanation:

HELP WILL GIVE BRAINLIEST!!!!!
Write an inequality for the situation.

Karen has at least 7 dresses.

Answers

Answer:

At least 7  <  She had 15

I think 7 cause she had 15

What is 2 2/3 in radical form step by step

Answers

The answer to this question is in the pic below!

may someone help me please and thank you, how do u find an equivalent fraction?? :)

Answers

Here are the ways that you can find an equivalent fraction:

Multiplying or dividing both top and bottom by the same amount. You only multiply or divide, never add or subtract, to get an equivalent fraction. Only divide when the top and bottom stay as whole numbers.

Answer:

You can make equivalent fractions by multiplying or dividing both top and bottom by the same amount. You only multiply or divide, never add or subtract, to get an equivalent fraction.

Step-by-step explanation:

The first row of a theater has 16 seats. There are 3 more seats in each row thereafter. How many seats are in the 25th row/

Answers

Answer: 88

Step-by-step explanation:

Given

The first row has 16 seats

then there are 3 more seats in each row

this follows an AP with the first term [tex]a=16[/tex] and common difference [tex]d=3[/tex]

So, no of seats in the 25 th row is

[tex]\Rightarrow a_{25}=a+24d\\\Rightarrow a_{25}=16+3\times 24\\\Rightarrow a_{25}=88[/tex]

Thus, there are 88 seats in the 25 th row

Yan is climbing down a ladder. Each time he descends 4 rungs on the ladder, he stops to see how much farther he has to go. If Yan made 8 stops with no extra steps, which expression best shows another way to write the product of the number of ladder rungs that Yan climbed?

Answers

Answer:not A

Step-by-step explanation:

Answer:

stop waiting and do the next question

Step-by-step explanation:

common sense

Awnser and show your work <3

Answers

Answer:

-14

Step-by-step explanation:

isolate x's on one side so subtract 8.5x and add 1 on both sides

[tex]-14 = 1x[/tex]

simplifies to

x = -14

Please help What is the value of x. Look at picture.

Answers

Answer:

x = 50

Step-by-step explanation:

3x - 10 and 2(x + 10) are vertical angles and congruent , so

3x - 30 = 2(x + 10)

3x - 30 = 2x + 20 (  subtract 2x from both sides )

x - 30 = 20 ( add 30 to both sides )

x = 50

whats the quadratic curve of best fit for the data. estimate what the value of will be when = −4.
(−3,2), (0,5), (1,7.3), (−1,3.3), (−6,5), (−7,7.3)

Answers

Answer:

64 is 4 times the difference between Sarah's age, a, and 44Assume Sarah is older than 44

Step-by-step explanation:

Please help me with this.

Answers

Answer: Angles: 42°, 114°, 24°, 30°, 150°.

Step-by-step explanation:

hi! please help i’ll give brainliest

Answers

Answer:

A because the river is fastest at that shore

Step-by-step explanation:

The school library has 300 books on the topic of
sports. Students have checked out seventy-four
of those books. How many books on the topic
of sports still remain in the library?

Answers

226 Sports Books! Hope you have an amazing day!

Step-by-step explanation:

226 sports book have a good day

A(n) _______ is a mapping that does not change the size of the original figure.
A. Isometry
B. Mapping
C. Image
D. Preimage

Answers

Answer:

A(n) isometry is a mapping that does not change the size of the original figure.

Answer:

Isometry

Step-by-step explanation:

Isometry is a mapping that does not change the size of the original figure.

A circular sheet was cut to make cone without a base of slant height equal to 7 m. If the net of the cone has a perimeter of 47 m, what percentage of the circular sheet of paper was used to make the cone?

a. 80%
b. 25%
c. 75%
d. 60%
​

Answers

Answer:

75%

Step-by-step explanation:

C. 75% is the correct answer and I can also explain it to you if you want

3(m - n + 2) + 6 - m​

Answers

Step-by-step explanation:

Help pls guy I love you that was along time it since I just want to review

Answers

a. 6890m = 6.89km
b. 29.4cm = 294mm
c. 7400ml = 7.4 litres
d. 7.6ha = 76000m^2
e. 85cm^2 = 8500mm^2
f. 3.2cm^3 = 3200mm^3

Choose the best selection for the
quadrilateral with vertices at the
following points:
(0,0), (0,3), (4,0), (4,3)

Answers

Answer: rectangle not sure tho

Step-by-step explanation:

Answer:

Step-by-step explanation:

i chose B:square, i out in the points and that what shape came up. srry if im wrong

can someone please answer all 3 parts to this question with work? will give brainliest

Answers

just use pythagoras theorem!! do clarify if you don’t understand! hope this helps!

I WILL FIVE BRAINLESS TO THE PERSON THAT ANSWER THIS CORRECTLY



Even wants to make a kneeling pad cushion for when he is this a surface area or volume problem. How much
gardens for long periods of time. It will have the fabric will he need?
Gimensions shown. How much fabric should he buy to surface area, 336 in
cover the cushion?
surface area, 440 in 2
volume, 336 in
volume, 440 in?
12 in
2n
14 in

Answers

Answer:

440

Step-by-step explanation:

this is the formula 2(wl+hl+hw)

Answer:

44 in2 your welcom

Step-by-step explanation:

find YZ pls fast correct

Answers

Answer:

44

Step-by-step explanation:

According to intersecting chords theorem:

21(2x - 6) = 30(x + 1)42x - 126 = 30x + 3042x - 30x = 126 + 3012x = 156x = 156/12x = 13

Find the value of YZ:

YZ = 30 + 13 + 1 = 44

[tex]\huge\text{Hey there!}[/tex]

[tex]\large\textsf{21(2x - 6) = 30(x + 1)}[/tex]

[tex]\large\textsf{21(2x) + 21(-6) = 30(x) + 30(1)}[/tex]

[tex]\large\textsf{21(2x) = 42x}[/tex]

[tex]\large\textsf{21(-6) = -126}[/tex]

[tex]\large\textsf{30(x) = 30x}[/tex]

[tex]\large\textsf{30(1) = 30}[/tex]

[tex]\large\textsf{42x - 126 = 30x + 30}[/tex]

[tex]\large\text{Put ALL your LIKE TERMS TOGETHER}[/tex]

[tex]\large\text{NEW EQUATION: \textsf {42x - 30x = 126 + 30}}[/tex]

[tex]\large\textsf{42x - 30x = 12x}[/tex]

[tex]\large\textsf{126 + 30 = 156}[/tex]

[tex]\large\text{NEW EQUATION: \textsf{12x = 156}}[/tex]

[tex]\large\text{DIVIDE 12 to BOTH SIDES}[/tex]

[tex]\mathsf{\dfrac{12x}{12}=\dfrac{156}{12}}[/tex]

[tex]\large\text{CANCEL out: } \mathsf{\dfrac{12}{12}}\large\text{ because that gives you 1}[/tex]

[tex]\large\text{KEEP: }\mathsf{\dfrac{156}{12}}\large\text{ because that helps you solve for your the given equation} \\\\\large\text{and your YZ result}[/tex]

[tex]\mathsf{\dfrac{156}{12}=\bf 13}[/tex]

[tex]\large\text{NEW and FINAL EQUATION: \textsf{30 + 1 + 13}}[/tex]

[tex]\large\textsf{30 + 1 + 13}[/tex]

[tex]\large\textsf{30 + 1 = \bf 31}[/tex]

[tex]\large\textsf{= 31 + 13}[/tex]

[tex]\large\textsf{= \bf 44}[/tex]

[tex]\boxed{\boxed{\large\textsf{Answer: \huge \bf YZ = 44 }}}\huge\checkmark[/tex]

[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

The lateral area of a cylinder is 100pi in^2. If its dimensions are reduced to one-fifth their original length, what would its new area be?

Answers

Answer:

4pi in^2

Step-by-step explanation:

Lateral surface area of a cylinder = 2πrh

π = pi

r = radius

h = height

Let me illustrate with an example

A cylinder has the following dimensions

r = radius = 20  

h = height  = 10

lateral area = 2 x π x 20 x 10 = 400π

If dimensions are reduced to one-fifth their original length, new dimensions are

r = radius = 20  x 1/5 = 4

h = height  = 10 x 1/5 = 2

New lateral area = 2 x 4 x 2 x π = 16π

change in lateral area = 400π / 16π = 25

If dimensions are reduced by 1/5, lateral area would reduce by 25

100 pi / 25 = 4

WILL MARK BRAINLIEST

Let Events A and B be described as follows:

P(A) = doing yard work
P(B) = it raining

The probability that it will rain this weekend is 68% The probability of doing yard work this weekend and it raining is15%. If the probability of doing yard work is 53%, are doing yard work and it raining independent?

Answers

When applied to each other they are dependent

how do i do c? helppppppppppppppp

Answers

Answer:

Step-by-step explanation:

Adam is helping make mashed potatoes for Thanksgiving. He plans to add 4 fluid ounces of heavy cream to his potatoes. If he buys 1-pint carton, how many fluid ounces will he have left?

Right answer gets brainliest!! :)

Answers

12 oz will be left over.

Jane found 5 seashells on the beach. Ruby found twice as many as Jane. How many shells did they find together?

Answers

Answer:

They found 15 shells

Step-by-step explanation:

First, multiply. 5 × 2 = 10

Then, add. 5 + 10 = 15

Lastly, have a great day!

15 seashells Jane has 5 ruby has twice as many so 5 x 2 = 10 put them together to get 10+5=15

At local bakery Jonah decorated 3 cakes at a time. Ellen decorated 7 at a time. If they ended up decorating the same number of cakes by the end of the day, what is the smallest number of cakes that each must have decorated?​

Answers

I honestly don’t know I’m sorry

Which graph represents this table of an arithmetic sequence?

Answers

Answer:

the x axis contains the arithmetic sequence

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