(1 + 3²)·(12-7)²÷5
can u pls help me with the question

Answer:

53.1 degrees

Step-by-step explanation:

use sohcahtoa

sin(x) = 12/15

sin(x) = 0.8

sin-1(0.8) = 53.1301

Answer:

The value of g is 7.

Step-by-step explanation:

☆ Let's solve!

[tex] \: \: \: \: 3 + g = 10 \\ \frac{- 3 \: \: \: \: \: \: \: \: \: = - 3}{g = 7} [/tex]

Answer:

2.3 pages per minute

Step-by-step explanation:

Answer:

(3.1)(4.1)

Step-by-step explanation:

Answer:

A =1

B = 9

C = 8

D = 1

Answer:

A-1

B-9

C-8

D-1

i hope it helps

Answer:

Sale price of backpack is $19.5

Step-by-step explanation:

Original price of backpack = $26

Discount = 25%

We need to find sale price.

First we will find amount that will be discounted, and then subtract from original price.

So, Finding discount price

[tex]25\%of 26\\=\frac{25}{100}\times 26\\=6.5[/tex]

So, there will be discount of $6.5

Now, the sale price will be:

Sale price = Original Price - Discount

Sale Price = 26 - 6.5

Sale Price = 19.5

So, Sale price of backpack is $19.5

Answer:

The correct answer is A

Step-by-step explanation:

A is correct because you divide 23 and 3 to equal 7 then you do 7 times 3 to equal 21 cups meaning you have enough pecans to make 7 pies and 2 cups of pecans left over.

MARK ME AS BRANLIEST

Answer:

for the second column it is 12.5

for the third column it is 20%

for the fourth column it is 120%

for the fifth column it is 33%

for the sixth column it is 11.35

for the seventh column it is 900

for the 8th column it is 60%

for the final column it's 39

Step-by-step explanation:

Answer:

percent proportion....... percent equation

1. $26...........x = 6.5×400/100

2.$12.5.........x = 12.5×100/190

3.20%..........x = 130×100/650

4.120% ..........x = 5.40×100/4.50

5.30%...........x = 8.4×100/28

6.$39....…......x = 21.84×100/56

7.$900.….......x = 495×100/55

8.60%….....….x = 144×100/240

9.30%............ x 120×100/400

10.$39.............x = 975×4/100

Answer:

h= 12.3

Step-by-step explanation:

Answer:

x ≈ 14.6

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos40° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{x}{19}[/tex] ( multiply both sides by 19 )

19 × cos40° = x , then

x ≈ 14.6 ( to the nearest tenth )

Answer:

10/36. that is your awnser as a fraction.

Answer:

D

-5x + y = 7

x+3y = 5

Step-by-step explanation:

when you graph the equations, they are parallel. as you know, solutions are the point where the lines meet. if they are parallel, it's not possible for the lines to intersect.

Answer and Step-by-step explanation:

Lets solve each one and see which has solutions and which one doesn't have a solution.

__________________________________________________________

A) x + y = -6

   x + y = 12

Solve for y for one of the equations, then plug it into the other equation.

y = -6 - x                  

x + (-6 - x) = 12     =    -6 = 12  No Solution

__________________________________________________________

B) y = 2x + 5

   y = -3x + 1

2x + 5 = -3x + 1

4 = - 5x

[tex]-\frac{4}{5} =x[/tex] Solution

_________________________________________________________ C) y = 4x - 8

    y = 2x - 4

4x - 8 = 2x - 4

2x = 4

x = 2 Solution

__________________________________________________________

D) -5x + y = 7

     x + 3y = 5

x = 5 - 3y

-5(5 - 3y) + y = 7

-25 + 15y + y = 7

16y = 32

y = 2 Solution

__________________________________________________________

So, A is the correct answer. Sorry for the late answer!

#teamtrees #WAP (Water And Plant)

Answer: B) a + c = 10

8a + 5c = 59

Step-by-step explanation:

We know that 10 total people went, so the first equation has to be equal to 10. The total was $59, so the second equation should be set equal to $59. Now that the second equation is for cost, we must make it 8a + 5c to represent the cost of the adult and child tickets which are $8 and $5, respectively.

[tex]\boxed{\boxed{\pink{\bf \leadsto Option \ second \ is \ correct .}}}[/tex]

Given that , a group of 10 people went to see a movie. The cost to go to the movie is $8 for an adult and $5 for a child. The total cost for thegroup was $59.

Let :-

[tex]\implies \bf No. \ of \ adult \ be \ denoted \ by \ a. \\\\\bf \implies No . \ of \ Children \ be \ denoted \ by \ c . [/tex]

Since the total number of people in group is 10 . Then ,

[tex]\implies \bf n_{adult} + n_{children} = 10 \\\\\bf\implies \boxed{\bf a + c = 10 }[/tex]

Now , the cost for an adult is $8 and for a child is $5. Hence ,

[tex]\bf\implies n_{adult}\times cost_{adult} + n_{child}\times cost_{child} = Total \ cost \\\\\bf \implies a \times \$ 8 + c \times \$ 5 = \$ 59 \\\\\bf\implies \boxed{\bf 8a + 5c =\$ 59 }[/tex]

Hence our overall answer matches with second option .That is ,

[tex]\red{\bf Option \ 2 } \begin{cases} \bf a + c = 10 \\\\\bf 8a + 5c = 59 \end{cases}[/tex]

Answer:

[tex]Length = 18[/tex]

[tex]Width = 27[/tex]

Step-by-step explanation:

Given

Dimension = 20 by 30

Reduction = 10%

Required

Determine the new dimensions

Because it is a reduction, the new dimension is calculated using:

[tex]New = Old (1 - Reduction)[/tex]

The new length is calculated as:

[tex]Length = 20(1 - 10\%)[/tex]

Convert percentage to decimal

[tex]Length = 20(1 - 0.10)[/tex]

[tex]Length = 20 * 0.90[/tex]

[tex]Length = 18[/tex]

The new width is calculated as:

[tex]Width = 30(1 - 10\%)[/tex]

Convert percentage to decimal

[tex]Width = 30(1 - 0.10)[/tex]

[tex]Width = 30*0.90[/tex]

[tex]Width = 27[/tex]

lol, that would be biology

but I'd say its the mitochondria

Answer:

x is equal to negative one, and y is equal to negative four.

Step-by-step explanation:

You can do this by solving one of the equations by either x or y, then substituting it into the other.  Let's solve the second one for y:

[tex]2y = 3x - 5\\y = \frac{3x - 5}{2}[/tex]

Now we'll substitute that into the first equation:

[tex]9x - 2y = -1\\9x - 2(\frac{3x - 5}{2}) = -1\\9x - 3x + 5 = -1\\6x + 5 = -1\\6x = -6\\x = -1[/tex]

So we now know that x is equal to -1.  We can simply substitute that into one of the original equations to find y:

[tex]2y = 3x - 5\\2y = 3(-1) - 5\\2y = -3 - 5\\2y = -8\\y = -4[/tex]

We now know that x is equal to -1, and y is equal to -4.  We can also check our answer by plugging that -4 into the other equation, and see if we still get -1:

[tex]9x - 2y = -1\\9x - 2(-4) = -1\\9x + 8 = -1\\9x = -1 - 8\\9x = -9\\x = -1[/tex]

So we know that our answer is correct.

Answer:

As the laps increases so does the dollar amount

Step-by-step explanation:

correct on edge

Answer:

1: d=5l

2: laps

3: dollars

Step-by-step explanation:

Got it right on edge.

i didn't realize i could edit so i put the answer below also.

Answer:

69 ;) no seriously tho it is lol

Step-by-step explanation:

70% of 230 is 161. 230 subtracted by 161 is 69.

Answer:

161 pages

Step-by-step explanation:

Calculate the percentage of a number. For example: 70% of 230 = 161. 230-161=69

Answer:

3 + 3g

Step-by-step explanation:

Answer:

Left space down:         Right space down:

1                                     3

3                                    9

5                                    15

25                                 75

30                                 90

35                                 105

He only asked students in his university and he stated that it represented the whole nation (his university does not represent the whole country.)

Answer:

Jordin weighs 96 pounds

Step-by-step explanation:

The Mean Value of a Data Set

The mean or average of a data set is found by adding all numbers and then dividing by the number of values in the set. Written as a formula:

[tex]\displaystyle \bar x=\frac{\sum x_i}{n}[/tex]

Where xi is the value of each data and n is the total number of values.

We are given the average weight of n=5 marathon runners:

[tex]\bar x=92[/tex]

Multiplying the formula by n and expanding the sum:

[tex]n\bar x=\sum x_i=x_1+x_2+x_3+x_4+x_5[/tex]

We are given the weighs of four of the runners:

[tex]5*92=89+95+90+90+x_5[/tex]

[tex]460=364+x_5[/tex]

Solving for x5:

[tex]x_5 = 460-364=96[/tex]

Jordin weighs 96 pounds

Answer:

-3x+11

Step-by-step explanation:

Answer:

11-3x

Step-by-step explanation:

Distribute the "-"

7-3x+4=

Group the numbers

11-3x

Answer:

15 cm every 1 minute

Step-by-step explanation:

Simply divide 45 by 3

Answer:

$1.30 or 130 cents

Step-by-step explanation:

You divide 91 by 14 to get the amount per ounce and you would get 6.5. Then you multiply that by 20 to get the new amount which is 130, or $1.30.

Answer:

A. 3 hours and 51 mins long

Step-by-step explanation:

22-13= 9 min difference

11-3=4 but since there is a 9 min difference it would be 9 mins away from 4 hours so that why is it 3 hours and 51 minutes long

hope this wasnt confusing