Mathematics High School

Determine the value of k so that the following system has an infinite number of solutions.
10x+ky=-8
-15x-6y=12
ILL DO A POINT GIVEAWAY IF SOMEONE ANSWERS THIS

Answers

Answer 1
You can just use photomath

Related Questions

I will give you brainliest if you help answer this with full explanation

Answers

the fraction is 1 over 5
just think of the 1 as the numerator and the 5 as a denominator
same thing goes for when it’s 2:5
the fraction would be 2 over 5
hope that makes sense.

Find sin D, sin E, cos D, and cos E. Write each answer as a fraction in simplest form.

Answers

sin D: 8/17
sin E: 15/17
cos D: 15/17
cos E: 8/17

Ms. James is buying petri dishes for a science experiment for her students. The supply store sells petri dishes in packages of 15. Ms. James needs 350 petri dishes for her students this year and she already has 25. How many packages should she order? Will she have any petri dishes leftover? If so, how many? Explain. pls i need it nowww

Answers

Answer:

ms.james already as 350 so minus 25 from that which is 325.Then divide that by 15 which is 21 and she will have 6 left over

Answer:

330

Step-by-step explanation:

350          325 ÷ 15 = 21.6666666667

- 25            21x15 = 315 so get 22 bc 22x15=330

-------

325

can someone please help me ​

Answers

Answer:

B

Step-by-step explanation:

Since the function calls for you subtracting 1 from the input to the output, B makes sense.

Answer:

B is the correct answer bc

4-1=3

3-1=2

9-1=8

A fishing boat was out to sea for 6 months and traveld a total of 9000 miles .In the first month , the boat traveled 659 miles . How many miles did the fishing boat travel during the last 5 months ?

Answers

9000-659= 8341 miles traveled

What is the measure of In ABC as shown, AC 1 BC , AB = 11.4, and
BC = 7.
degrees
А
11.4
B
С
7

Answers

hope it helps. , good afternoon , have a great day .

(9b+3)(b-7)=0

Solve this using factoring, what are the two x’s?

Answers

Answer:

answer is down below

Step-by-step explanation:

u have ur two brackets.

(9b+3)(b-7)=0

take 1 bracket at a time

9b+3=0

solve it so:

9b+3=0

9b=-3

b= -3 / 9

Ans: b=-1/3

take the other bracket

b-7=0

solve it:

Ans: b=+7

A runner is participating in the Boston Marathon. He has run 12 miles of the 26.2 mile course. What percent of the course has he run so far?

Answers

45.8% or rounded up to 46%

Select the correct answer.
What are the zeros of the quadratic function represented by this graph?
6
21
-X
.
2
2
4
6
-21
W
-61
+
Ο Α. .
1 and 3
OB. -3 and -1
Ос.
-3 and 1
OD.
-1 and 3

Answers

I think the best answer is B

What is the value of x?

Answers

Answer:

Step-by-step explanation:

Calculate the width of it,then add all the sides together.

Bob and his friends went out to lunch.
• They bought 3 sandwiches and 3 bottles of water.
The bottles of water cost $1.50 each.
• The total bill was $30.00.
How much does one sandwich cost if they cost the same amount?

Answers

Answer:

Each sandwich cost 8:50

Step-by-step explanation:

total 30$

total price of the waters 4:50

30-4:50=25:50

25:50÷3=8:50

PLZ HELP ITS DUE RN BRAINIEST TO WHOEVER RIGHT!

Answers

Answer:

About -5.8 and -.2

Step-by-step explanation:

Zeros at -5.828 and -.172

if 2 bags of nuts cost $5.50, how much will 7 bags cost

Answers

Answer:

$19.25

Step-by-step explanation:

Find the cost of one bag.

5.50/2=2.75

Multiply bag of one by the amount of bags wanted.

2.75*7=19.25

Therefore, the answer is $19.25

Please consider giving a thanks, a good rating, and brainliest! It is very much appreciated! Thanks a lot!

Cost of 7 bag of nut using the unitary method is $19.25

What is Cost?

A cost is the value of money that has been used up to produce something or deliver a service

What is Unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Cost of 2 bags of nuts = $5.50

Cost of 1 bag of nuts =[tex]\frac{5.50}{2} =2.75[/tex]

Cost of 7 bags of nuts =7×2.75= $19.25

Hence, the cost of 7 bags of nuts is $19.25

Learn more about cost here

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All students in Ridgewood Junior High School either get their lunch in the school cafeteria or brought it from home on Tuesday. 10% of students brought their lunch. 41 students brought their lunch. How many students in total are in Ridgewood Junior High School?

Answers

Answer:

Step-by-step explanation:

All students in Ridgewood Junior High School either get their lunch in the school cafeteria or brought it from home on Tuesday. 10% of students brought their lunch. 41 students brought their lunch. How many students in total are in Ridgewood Junior High School?

measurements I suck at it​

Answers

Answer:

a = 65

b = 73

c = 17

d = 138

Step-by-step explanation:

d + 42 = 180

d = 138

c + d + 90 + 115 = 360

c + 138 + 205 = 360

c + 343 = 360

c = 17

90 + b + c = 180

90 + b + 17 = 180

b + 107 = 180

b = 73

a + b + 42 = 180

a + 73 + 42 = 180

a + 115 = 180

a = 65

Answer:

a is 65

b is 73

c is 17

d is 138

A parallelogram with a height of 2x+3 has an area listed below. What is the length of the base of the parallelogram? 2x^2+13x+15

Answers

Answer:

x+5

Step-by-step explanation:

I thought what 2 numbers if multiplied made 15

also 2x+3 already has a 3

so I'm guessing 3 and 5

then I put them next to each other

(2x+3) ( +5)

I put a x in the second parenthesis as a guess because the area had a 2x^2 in it . that could only happen with 2x * x

so (2x+3) (x+5)

(12x5+3x25)-8

12x5=60
3x25=75
60+75=135
135-8=127

Answers

Answer:

127

Step-by-step explanation:

The dot plots show 20 scores on two different tests. What is the difference of the ranges?

Answers

Answer:

is there a picture??!? I can't help without giving the data set.

a pair of jeans
Is $36.99 and they
are on sale for 20% off. What is the sale price?

Answers

Answer:

$29.59

Step-by-step explanation:

100% - 20% = 80%

36.99 x 0.80 = $29.59

Answer:

i think its $20.40 im so sorry if im wrong

Step-by-step explanation:

The two photos are both for the same question please help I dont know how to solve the revered graph

Answers

Answer:

point b is plotted incorrectly

Step-by-step explanation:

Nathan solved an equation 4(x – 1) = −1(6x – 36) for x. His answers is x = 2. Is he 2
correct? If so, explain the steps he used to solve the equation. If he is not correct, explain what he should have done to solve the problem.

Answers

Answer:

He is not correct.

Step-by-step explanation:

he should have done

4(x-1) = -1(6x-36)

=> 4x-4 = -6x+36

=> 4x-4+4 = -6x +36+4

=> 4x+6x = -6x+6x+40

=> 10x = 40

=> (10x)/10 = 40/10

=> x = 4.

The two triangles are similar. Find the unknown variables.
i know that the answer is not 6 so please don’t comment that

Answers

Answer:

i thought it is 18 since 4 x3 =12 then 6x3 =18 I am not sure 100%

a game consists of randomly choosing a bag (labelled 1, 2 or 3) out of a choice of 100, and then again randomly, picking a ball (red or black) from it. Each bag has the same total of balls (10). the same player is going to play the game 200 times consecutively. how many black balls should he expect to pick

Answers

Answer:

hello your question has some missing information attached below is the missing information

answer :  112 black balls

Step-by-step explanation:

Given data:

Each bag contains ; 10 balls

Total number of ball = 100 balls

first: calculate the number of Black balls to be picked from the three bags

From bag 1 = 0.4 * 0.35 * 10 = 1.4 balls

From bag 2 =  0.8 * 0.45 * 10 = 3.6 balls

From bag 3 = 0.3 * 0.2 * 10 = 0.6 ball

Total black balls picked = 5.6

∴ percentage of black balls picked given that each bag contains 10

5.6 / 10 * Total balls available  =  56 balls = 56% of 100 balls

Hence If the player plays this game 200 times the number of black balls he will pick = 56% * 200 =  112 balls

help ASAP Ill mark brainliest

Answers

Answer:

1:4

Step-by-step explanation:

there are 5 questions. there is one correct answer so the rest must be wrong. so the ratio of correct to wrong is 1:4.

Identify the height of a triangke in whixb b = 12 m and A = (18x - 6) m^2​

Answers

Answer:

h = (3x − 1) m

Step-by-step explanation:

Which of these systems of equations is shown in the graph?

Answers

Answer:

C) y = -x - 2; y = 4x + 3

Hope this helps

The solution is Option C.

The system of equations is y = - x - 2  ;  y = 4x + 3

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the first equation be represented as A

Let the second equation be represented as B

Now , the value of A is

y = - x - 2   be equation (1)

Now , the value of B is

y = 4x + 3   be equation (2)

On simplifying the equation , we get

The point of intersection on the graph is ( -1 , -1 )

Substituting the values in the equation , we get

when x = -1 and y = -1

y = - x - 2

-1 = - ( -1 ) - 2

-1 = + 1 - 2

-1 = -1

So , the solution to the equation is ( -1 , -1 )

And ,

y = 4x + 3

-1 = 4 ( -1 ) + 3

-1 = -4 + 3

-1 = -1

So , the solution to the equation is ( -1 , -1 )

Hence , the equations are y = - x - 2 and y = 4x + 3

To learn more about equations click :

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C
Line a is parallel to line b. Line c intersects lines a and b.
What is the value of x?
a) 10°
80°
b) 60°
c) 80°
d) 100°
9ь

Answers

Answer:

It is 80.

Step-by-step explanation:

What is the measure of angle N?

Answers

Answer:

42.7+90+N=180

132.7+N=180

N=180-132.7

Angle N =47.3°

HELP ASAP HELP ASAP HELP HELP!!!!!!!!!!!

Answers

Answer:

Option 1

Step-by-step explanation:

Answer:

option 2

Step-by-step explanation:

(-2)x(+4)x(+3)x(-1)=
Can you help me please?
Pode me ajudar por favor?
Podría ayudarme por favor?

Answers

Answer:

-24

Step-by-step explanation:

-2×4= -8

-8×3= -24

-24×1= -24

I hope this helps ^-^

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