Can someone please help me answer this question

Can Someone Please Help Me Answer This Question

Answers

Answer 1

Answer:

1) 15

2) 10

3) 11

4) -4

5) -8

6) 12

7) 14

8) -6

Step-by-step explanation:

plug the values given into each equation for example

1) 2c - d at c=6, d=-3

2(6) -(-3) = 12 + 3 = 15


Related Questions

Whats the answer to this question lol

Answers

Answer:

1/12

Step-by-step explanation:

Multiply 1/2 x 1/6 = 1/12

4. Which expression is equivalent to - (6x + 9) - (x - 2)?
A. 5x - 3
B. - 2x + 7.5
C. -4x - 3
D. -4x - 6

Answers

A because 6x + 9 - x + 2 = 5x + 11

Jim ate 50 cookies yesterday. He ate 3 boxes of cookies and 8 cookies. How many cookies were in each box?

Answers

Answer:

Step-by-step explanation:

3b+8c=50c

3b=50c-8c

3b=42c

b=14c

So there are 14 cookies in each box.

Answer:

14

Step-by-step explanation:

First, take away the 8 cookies that were not part of the 3 boxes.

(50 - 8 = 42)

Now we know that 3 boxes of cookies can hold 42 total cookies. However, we need to know how much cookies 1 box can hold. If the 42 cookies are divided evenly between the 3 boxes, our equation would look like this:

42/3 = 14

Therefore, the answer is 14 cookies in each box.

Which mixed number is equal to 27/6?

Answers

Answer:

4 [tex]\frac{3}{6}[/tex]

Step-by-step explanation:

solve 5sin^2x-1=0
ok

Answers

Answer:

to 1 decimal place,. (a) tan (3x + ... (i) 2cos 2x – 5sin 2x = 0 R cos(2x + λ) = 0 λ = 68.2 ⇒ 2x + 68.2 = 90 B1. 2x + λ = ... (16cos2x – 9)(cos2x – 1) = 0.

I need help I don’t understand this at all please

Answers

Step-by-step explanation:

[tex] \tan( \alpha ) = \frac{15}{9} = \frac{7}{h } \\ h = \frac{7 \times 9}{15} = 4.2[/tex]

Given that R=7x+5Y find Y when X=9 and R=35 give your answer as an improper fraction in its simplest form


Please help

Answers

Answer:

y = -28/5

Step-by-step explanation:

R = 7x +5y

35 = 7(9) + 5y

35 = 63 +5y

-5y= 63- 35

-5y/-5 = 28/-5

Y = -28/5

Answer:

Y = - [tex]\frac{28}{5}[/tex]

Step-by-step explanation:

Given

R = 7X + 5Y ← substitute X = 9, R = 35

35 = 7(9) + 5Y

35 = 63 + 5Y ( subtract 63 from both sides )

- 28 = 5Y ( divide both sides by 5 )

- [tex]\frac{28}{5}[/tex] = Y

Can you please help me with this problem.

Answers

Answer:

C

Step-by-step explanation:

Calculator did it lol

URGENT!!! For quiz now!
Solve the pair of simultaneous equations using matrix methods.
1) x + y =2 , x + y =3
2) 3x + 2y = 14 , x + 4y =12
3) -3x + 2y = -16 , -x - 5y = -10
4) y = 2x - 5 , 7x - 2y =16

Answers

Answer:3?

Step-by-step explanation:

What is the equation of the following line? Be sure to scroll down first to see
all answer options.

Answers

Answer:

i did this before the answer is c

Answer: 1/5 x

Step-by-step explanation:

The graph shows a line and two similar triangles. What is the equation of the line

Answers

Answer:

y = (1/3)x + 2

Step-by-step explanation:

The equation of a straight line is given by:

y = mx + b, where y and x are variables, m is the slope of the line, that is the ratio of the change in vertical distance to horizontal distance while b is the y intercept of the graph.

From the graph, we can see that the y intercept (where the graph touches the y axis) is 2. Hence b = 2

Also, the slope (m) = change in y / change in x = 1 / 3

The equation of the line is:

y = (1/3)x + 2

Answer:y = (1/3)x + 2

Step-by-step explanation:

hope this helps

. Subtracting a negative number from a positive number is the same as adding a positive number to a positive number.


TRUE OR FALSE

Answers

Answer:

false

Step-by-step explanation:

-6+12=6

6+12[tex]\neq[/tex]6

Answer

False

Step-by-step explanation:

Start at 6 , and move 8 units to the left. Subtracting a number is the same as adding its opposite. So, subtracting a positive number is like adding a negative; you move to the left on the number line. Subtracting a negative number is like adding a positive; you move to the right on the number line.

5x^2 – 3x IS SUBTRACTED FROM 3x^2 + 7x

Answers

Answer:

2x^2-10x

Step-by-step explanation:

I have no idea what this means ;-; help! NO WRONG ANSWERS PLS

Answers

Answer:

Option A. I'm not sure about it.

Guided Practice


The expression πr2hpi r squared h represents the volume of a cylinder, where r is the radius and h is the height. Suppose you want to see how the volume is impacted when you double the height. Which expression represents the volume of the cylinder with a height that is twice the length of the original length?


A.
π(2r)2hpi left parenthesis 2 r right parenthesis squared h


B.
(2π)r2(2h)left parenthesis 2 pi right parenthesis r squared left parenthesis 2 h right parenthesis


C.
(πr2h)2left parenthesis pi r squared h right parenthesis squared


D.
πr2(2h)pi r squared left parenthesis 2 h right parenthesis

Answers

Answer:

D.

πr2(2h)pi r squared left parenthesis 2 h right parenthesis

Step-by-step explanation:

laura counted 14 red cars in the sales lots of car dealerships. what is the prime factorization of 14
A 2x7
B 1x14
C 2x2x5
D 2x2x2
help, please

Answers

Answer:

a is correct

hope this helps

What is the nth term rule of the linear sequence below?
5,8,11,14,17

(btw it says the nth term not the 9th.)

Answers

9514 1404 393

Answer:

  an = 5 +3(n -1)

Step-by-step explanation:

The n-th term of an arithmetic sequence is ...

  an = a1 +d(n -1)

Here, you have first term a1=5 and common difference d=8-5=3, so the n-th term is ...

  an = 5 +3(n -1)

_____

If you like, you can simplify this to ...

  an = 5 +3n -3

  an = 3n +2

Answer:

it's 3n-3

Step-by-step explanation:

I am the Real Da Baby
LESS GOOO!

Answers

Answer:

yuuhhhhh

Step-by-step explanation:

Answer:

No

Step-by-step explanation:

I am da real baby :) lol

Ethan was asked to paint the number of plates
on 100 apartments which means he will have to
paint numbers 1 through 100. How many times
will he have to paint the number 8?

Answers

Answer:

10 times

Step-by-step explanation:

8    88

18   98

28

38

48

58

68

78

Answer:

12 times

Step-by-step explanation:

you have to count how many times that the number 8 comes up.

Grade 10 math help please. Please show work

Answers

Answer:

43.94?

Step-by-step explanation:

I think if you use inverse cos you should get the correct number. So, to find cos, you need to know the adjacent side and the hypotenuse. Here, the reference angle would be the person holding the kite. The distance from the person to the barn is the adjacent side, which is 18. The string of the kite, I assume, would be 25.

cos(∅) = [tex]\frac{18}{25}[/tex]

cos(∅) = 0.72

cos⁻¹(0.72) = 43.94

I don't know if that's what you're looking for, but... If it's not correct, lmk so I can rewrite it. :)

At a school social, parents attended with their children. Everyone had a choice between a sweet snack and a salty snack. Here is a two-way table showing the number of adults and children who made each choice of snack.

sweet snack salty snack total
adult 57 88 145
child 77 31 108
total 134 119 253

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

what us the answe

re

this is another math thingy

Answers

Answer:

7.15 (two sig figs)

Step-by-step explanation:

There is a time limit dude, googling is a faster way

1. Area of rectangle

A = l*z

2. Find z

93 = 13*z

z ≈ 7.15

Answer:

7km

Step-by-step explanation:

The given figure is a rectangle

The formula to find area of rectangle is,

[tex]l \times b[/tex]

Here,

Length = 13km

Area = 91 km^2

Then breadth = 91/13

= 7 km

P < 4.75 represents the prices p in dollars that Paige is willing to pay for popcorn. The inequality p < 8.00 represents the prices p in dollars that Paige is willing to pay for a movie ticket. At how many theaters would Paige be willing to buy a ticket and popcorn?

Answers

Answer:

1 theater

Step-by-step explanation:

Given

[tex]P<4.75[/tex] --- Popcorn

[tex]P < 8.00[/tex] --- Movie

See attachment for the table that shows ticket and popcorn prices at five movie theater chains

Required

The number of theaters that supports the given inequality

The given inequality can be combined to give:

[tex]P < 4.75\ and\ P<8.00[/tex]

From the table entries, only one theater supports this inequality.

Where

[tex]P = 4.25[/tex] --- Movie

[tex]P = 7.25[/tex]  --- Popcorn

Which gives:

[tex]4.25 < 4.75\ and\ 7.25<8.00[/tex]

Please help what's the answer

Answers

Answer:

I think the answer the second one

Answer:

No, (4, -2) is only a solution for the red equation.

I hope this helps!

Jason buys 15,000 grams of potatoes at the grocery store. How many kilograms of potatoes does he buy?

Answers

Answer:

15 kilograms

Step-by-step explanation:

[tex]15000 \: grams = \frac{15000}{1000} = 15 \: kg[/tex]

Answer: 15 kilogram

Step-by-step explanation:

1000 Gram equal to 1 kilogram

Tony's town had an election last month. 180 people voted in the election and 720 did not vote. What percentage of the people voted?

Answers

20% if the town.

Hope this helps!

Answer:

20%

Step-by-step explanation:

180 + 720 = 900 total people in town

180/900 or 180 ÷ 900 = 0.2 or 20%

Hope this helps!

Need help plzzzz ??????????????

Answers

I think true if not sorry

Please help me



In a city all the houses are either three or four storeyed the ratio of the number of three storyed building to four storeyed building is 5:3 if the total number of buildings is 488 find the number of four storeyed buildings. ​

Answers

5:3 time 488
Get the answer using calculator please

–n2 – 7n + 10 – 8n2 + 1

Answers

Answer:

= -7

Step-by-step explanation:

hope it'll help you mark me as brainliest

Answer:

-9n^2 -7n + 11

Step-by-step explanation:

Add like terms, -8n^2 + -n^2 = -9n^2, 10+1 = 11

-9n^2 - 7n +11

Solve the system of equations by substitution.
x+4y=10 x=2y+4
x= y=​

Answers

x= 6 x= 1

Step-by-step explanation:

hope this helps..........

2y+4+4y=10
6y= 6
y= 1

when y=1,
x= 2(1)+4
x= 6
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