Mathematics College

Can someone please help, ty!!
(Will mark brainliest)

Answers

Answer 1

Answer:

4 hours

Step-by-step explanation:

50+5x=15x

50=20x

x=4

Related Questions

Halla el divisor común maximo 24 у 36

Answers

El máximo común divisor es 12

Por cierto, hablo inglés, así que estoy usando Google Translat. :)

What percent is represented by this 20-square grid?

A bar diagram with 18 shaded squares and 2 unshaded squares.

%

Answers

Answer: This means 38% of the large square is shaded. Incorrect. There are 62 small unshaded squares out of the 100 in the large square, so the percent of the large square that is unshaded is 62%.

...

Example

Problem What percent of the grid is shaded?

Answer 23% of the grid is shaded.

2 more rows

Answer:

The answer is 90

Step-by-step explanation:

Since the shaded part fills in about 3/4 of the diagram, percent multiplied to be 100. please mark me brainliest

Solve the following system of equations using substitution or elimination. 4x-2y+3z=1
x+3y-4z=-7
3x+y+2z=5
PLEASE HELP !!!

Answers

[1] 4x - 2y + 3z = 1

[2] x + 3y - 4z = -7

[3] 3x + y + 2z = 5

Add -4 [2] to [1], and add -3 [2] to [3] to eliminate x :

-4 (x + 3y - 4z) + (4x - 2y + 3z) = -4 (-7) + 1

-4x - 12y + 16z + 4x - 2y + 3z = 28 + 1

[4] -14y + 19z = 29

-3(x + 3y - 4z) + (3x + y + 2z) = -3 (-7) + 5

-3x - 9y + 12z + 3x + y + 2z = 21 + 5

-8y + 14z = 26

[5] -4y + 7z = 13

Add 2 [4] to -7 [5] to eliminate y :

2 (-14y + 19z) - 7 (-4y + 7z) = 2 (29) - 7 (13)

-28y + 38z + 28y - 49z = 58 - 91

-11z = -33

z = 3

Plug this into either [4] or [5] to solve for y :

-4y + 7 (3) = 13

-4y + 21 = 13

-4y = -8

y = 2

Plug both of these solutions into either of [1], [2], or [3] to solve for x :

x + 3 (2) - 4 (3) = -7

x + 6 - 12 = -7

x = -1

Suppose Phil reads a book that contains 16 conspiracy theories. When he researches the theories, he finds that 75% of them are false. How many of the theories are true?

Answers

Answer:

Step-by-step explanation:

Si tienes 5 manzanas para comer durante la semana y te comes el 20% el primer día cuántas manzanas quedan para el resto de la seman?

Answers

Answer: El o Ella tiene 4 manazanas izquierda comer para el semana

Step-by-step explanation: Si necesitas ayuda con algo más estoy disponible generalmente de 9 a.m. a 3:50 p.m.

The number of apples left to eat are equivalent to 4.

What is percentage?

In mathematics →

a percentage is a number or ratio expressed as a fraction of 100.it is often denoted using the percent sign "%".

Given is that you have 5 apples to eat during the week and you eat 20% on the first day.

Assume the number of apples left are {x}. So, we can write -

{x] = 5 - 20% of 5

{x} = 5 - (20/100) x 5

{x} = 5 - 1

{x} = 4

Therefore,

To solve more questions on percentage, visit the link below -

brainly.com/question/24159063

#SPJ2

{Question in english -

If you have 5 apples to eat during the week and you eat 20% on the first day, how many apples are left for the rest of the week?}

Solve the equation. If necessary, enter your answer as an reduced improper fraction.
h +9 = 16

Answers

Answer:

Step-by-step explanation:

It's seven because If you take 9 you just have to find the number that adds up to sixteen so in that case 6+9=16

Hey :)

h + 9 =16

Subtract 9 from both sides

h= 16−9

Subtract 9 from 16 to get 7

h=7

Hope this helps :)

Find the inverse of this function
g(x)=2(x-3)^5

Answers

here you go, let me know if you have a question about the steps

square root of 1, 1/3, 2.5, square root of 2
Type the correct order of each item (eg. 1, 2, 3, etc):
2.5
square root of 1
square root of 2
1/3

Answers

Answer:

least to greatest: 1/3, sqrt 1, sqrt 2, 2.5

Step-by-step explanation:

sqrt 1 = 1

sqrt 2 = 1.41421356237 = 1.4

1/3 = 0.33

2.5 = 2.5

--what is the value of 1/2÷6=

Answers

Answer:

0.833...

(3's are infinite)

Answer:

0.08333333333

.Step-by-step explanation:

0.5 divided by 6=0.08333333333

rounded: 0.083repeating

GEOMETRY Write and solve an equation to find the value of x so that it figures have the same area.

Answers

Answer:

C. x=7 and the expression is (5+x)9=x*(15 3/7)

Step-by-step explanation:

The width of the first shape is 5+x and the length is 9

The width of the second shape is x and the length is 15 3/7

You want the same area of the figures, so they are equal. And the formula for the area of a rectangle is l*w. So...

(5+x)9=x*(15 3/7)

45+9x=(108/7)x

315+63x=108x

63x-108x=-315

-45x=-315

x=7

So, your answer is C.

translation is the point (2, −6). At what coordinates is the image of point (−3, −2) located under the same translation?

Answers

Answer:

hey

Step-by-step explanation:

find the measure of angle b

Answers

It’s 90-37 degrees so the answer would be 53 degrees

Look at the incomplete multiplication problem below.

638 times 56 = 3828. 3828 + question mark = blank

What value is missing?
31,500
31,900
35,280
35,728

Answers

Answer:

Step-by-step explanation:

Please help this one will give you extra points

Answers

THE ANSWER IS B

A: 1/3*6,000,000 does NOT equal 18,000,000

C: However, 2/5*6,000,000 does equal 2, yet, $2.4*10^3 is a FALSE STATEMENT and it doesn't make sense

D: Not ALL statements are correct

I think the answer is B

HELP

The price of a necklace was increased by 10% to £121.
What was the price before the increase?

Answers

Answer:

108.90

Step-by-step explanation:

To find its price before the increase you say:

10% of 121 then the answer you subtract it from 121:

10 / 100 * 121 = 12.10

Then subtract 12.10 from 121

121-12.10= 108.90

So the price before the increase was 108.90

HOPE IT HELPED

Find the value of x.

Answers

Answer:

x=16

Step-by-step explanation:

50+40=90

40-8=32

32/2=16

x=16

Answer:

x=16

Step-by-step explanation:

since it is a right triangle it is 90 degrees so 90-50-40

than do 40=8+2x and solve for x which is 16 :)

an expression equivalent to –8(2s–5)–4

Answers

Answer:

The answer:-16s+40-4

Answer:

-4 x (4s - 9)

Step-by-step explanation:

I bought 5 1/2 yards of fabric. I used 2/3 of the fabric to make curtains. How much fabric did i use?

Answers

Answer:

you used 4 5/6

Step-by-step explanation:

5 1/2 and 2/3 need to be equivalent so change them to 5 3/6 and 4/6.

then subtract :)

hope this helps doll! :3

456x5 is what I can’t figure this out please help!!

Answers

Answer: 2,280

456 times 5

Answer:

2280

Step-by-step explanation:

Multiply 5 times 2325 it ain't that hard g just use google lol

When she first purchased it, Soledad's computer had 500 GB of hard drive space. After six months, there
were only 407 GB available. Enter and solve an equation to find the amount of hard drive space that
Soledad used in the first six months. Uses as your variable.
- 500
The equation is
She has used
GB of memory

Answers

Answer:

I think 500-407=93

A quality control manager is inspecting four digital scales to see if they accurately reflect a weight of 0 ounces. The table shows the weight displayed on four empty scales.

Empty Scale Weight Displays
Scale 1
–1 ounce
Scale 2
–2 ounces
Scale 3
0 ounces
Scale 4
–1 ounce

What is the average error in the scale displays?

Answers

Answer:

-1 Ounces

Hope this was helpful!

Answer:

-1 ounce

Step-by-step explanation:

Terry is an up and coming florist who specializes in weddings. He uses 5 roses, 3 daises, and 4 bundles of green filler to make one bouquet. If r is the cost of a rose and d is the cost of a daisy, and f is the cost of a bundle of green filler, which expression represents the cost for making 75 bouquets

Answers

Answer:

75 (5r + 3d + 4f)

Step-by-step explanation:

Cost of 5 roses: 5rCost of 3 daises: 3dCost of 4 green fillers: 4fAmount of bouquets: 75Put them together: 75 (5r + 3d + 4f)

I hope this helps!

answer: (75)5r+3d+4f

explanation:
5r is the cost of the roses
3d is the cost of the daisies
4f is the cost of the green filler
times all of those by 75, which is how many bouquets Terry is trying to make

hope this helps :)

Find the product. Tell which strategy you used.
1. 5 X 7 X 20
2.

Answers

Answer:

The product is 700

Step-by-step explanation:

I just multiplied them If it correct plz give me brainliest thanks :)

PLEASE ANSWER I WILL MARK BRAINLEIST

The leg of a right triangle is 2 units and the hypotenuse is 5 units. What is the length, in units, of the other leg of the triangle?

Group of answer choices

3

Square root of 21

Square root of 29

7

Answers

Answer:

It is the Square root of 21

Step-by-step explanation:

Answer is square root of 21

How: a square+b square=C square
C=Hypotenuse
A=leg
5^5-2^2 =21
Then it’s the square root of 21

Tell whether -2 is a solution of the inequality n-5<8

Answers

Answer:

-2 is a solution

Step-by-step explanation:

-2-5<8

-7<8

Answer:

-2 is a solution.

Step-by-step explanation:

negative 2 minus 5 is less than 8

negative 7 is less than 8

what is the decimal value of 3/5

Answers

Answer: 0.6

Explanation: it is fairly easy, a fraction is always division so... all you need to do is 3 divided by 5, 3/5=0.6

Answer:

0.6

Step-by-step explanation:

Just divide 3 by 5. Fractions are also basically a division problem.

Hope this helps! :)

At the produce store you can buy 4 bags of bananas for $29.88. How much would it cost if u were to buy 6 bags?

Answers

Answer:

44.82

Step-by-step explanation:

29.88 divided by 4 is 7.47 times 6 is 44.82

Answer:

44.82$

Step-by-step explanation:

4:29.88

6:x

4x=179.28

x=44.82$

A pole is 35 3/4 feet long. If 3/8 of the pole is underground,
then how many feet of the pole are above ground?

Answers

Answer: 22.34375

Step-by-step explanation:

35 and 3/4 is equal to 35.75

Therefore,

35.75 x (3/8) is equal to 13.40625 underground.

So 35.75 - 13.40625 = 22.34375 feet above ground

In a lab a 30% acid solution is being mixed with a 5% acid solution to create a 10% acid solution. What is the ratio
of the amount of the 30% solution to the amount of 5% solution used to create the 10% solution?
1.3
1:4
1.5
1.6
Done
Intro

Answers

Answer:

1:4

Step-by-step explanation:

If x is the volume of 30% acid solution, and y is the volume of 5% acid solution, then:

0.30x + 0.05y = 0.10(x + y)

0.30x + 0.05y = 0.10x + 0.10y

0.20x = 0.05y

x/y = 0.05/0.20

x/y = 1/4

it took jaivin 18 minutes to jog 4 laps . how many minutes did it to jog each lap at this rate?

Answers

Answer:

4.5 minutes for each lap

Step-by-step explanation:

18 min/ 4laps

simplify to 9min/2laps which equals 4.5 mins/lap

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Can someone please help, ty!! (Will mark brainliest)

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Can someone please help, ty!!
(Will mark brainliest)