Mathematics High School

-4y-11x= 36
20=-10x-10y
Solve each system by elimination

Answers

Answer 1

Answer:

x= -4. y=2

Step-by-step explanation:

please like my answer and brainliest me hshshshshs

Related Questions

which property is BEST to use when combining 3/5 + 1/4 + 2/5? A) distributive property B) identity property of addition C) additive inverse property D) commutative property of addition

Answers

Answer:

D Community property of addition

Step-by-step explanation:

Answer:

d

Step-by-step explanation:

what is m∠ BAC???????

Answers

Answer:

36 degrees

Step-by-step explanation:

I’m pretty sure that’s it

36. That’s the answer mate

I don’t know if this is correct !!!!!!! Please answer correctly !!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!

Answers

Answer:

yes i think

Step-by-step explanation:

help me plzz and thank u sm

Answers

Answer:

The equation of the axis of symmetry is x = 7

Step-by-step explanation:

Mathematically, we have the equation of the axis of symmetry as;

x = -b/2a

where a is the coefficient of x^2 = 1

b is the coefficient of x which is -14

So, the equation of the axis of symmetry will be;

x = -(-14)/2(1) = 14/2 = 7

So the equation of the axis of symmetry is x =7

11. A rate written as 80 miles per hour is an example of a
(2 points)

A.Ratio

B.Equivalent Ratio

C.Unit Rate

Answers

The answer for this is c

0.4209" to the nearest common fraction

Answers

Answer:

4209/10000

Step-by-step explanation:

42.09%=4209/10000

Thomas is opening a savings account. Which integer represents his possible balance after making a deposit
A -10
B-5
C 0
D 10

Answers

i think the answer is b
i think it’s D

because it the only positive

please help me i am begging you. its one question. I WILL GIVE BRAINLIEST!!!!!

Answers

Answer:

3og -5 “times (x)” 3

Step-by-step explanation:

(3og minus 5) times 3

I don’t have time to explain but I hope this helps, I’m in a rush rn I got to do something

Work out the area of this circle.
Give your answer in terms of it and state its units.
14 cm

Answers

Answer:

area = 153.94

Step-by-step explanation:

Diameter = 14. Half of 14 is 7, so radius = 7.

Formula for the area of a circle = π * r^2, so π * 7^2 = 153.93804

Please answer! Answer choices are: A, B, C

Answers

Answer:

A

Step-by-step explanation:

Please help me, will mark brainliest

Answers

Answer:

EThir 83 or  180

Step-by-step explanation:

Kim bought four bottles of water and 2 candy bars at a snack shack. Steve bought one bottle of water and 7 candy bars from the same snack shack. A bottle of water cost $1.25 and all candy bars are the same price. If Kim and Steve spent the same amount of money, how much does one candy bar cost?

$0.70

$0.75

$1.25

$1.33

Answers

Answer:A

Step-by-step explanation:

1 bottle is 1.50

4*1.50=5

5+1.25= the total

5divided by 7=0.70

Double check your work I’m not sure if I’m right!

A company that makes hard candy have a standard bag of hard candy with 150 pieces. The hard candy has three distinct colors red, white and orange and equal proportion of each candy is present in the standard bag. The manager wants to know whether the bags produced last Monday were similar to the standard bag. To test this, they plan to choose a random bag from the batch and compare it with the standard bag. You will have to answer questions below to assist the manager in comparing the two bags.

1. What is the alternate hypothesis for this exercise? (Select the most appropriate response)
A. The bag of candy produced last Monday is like the standard bag.
B. The bag of candy produced last Monday is different from the standard bag.
C. The two bags cannot be compared.
D. We need more bags to complete the comparison.
2. What is the null hypothesis for this exercise? (Select the most appropriate response)
A. The bag of candy produced last Monday are like the standard bag.
B. The bag of candy produced last Monday is different from the standard bag.
C. The two bags cannot be compared.
D. We need more bags to complete the comparison.
3. After performing the necessary calculations, the chi-square value of the test is 6.7. The cut-off/critical value of chi-square test is 5.991 (for 5% chance).
What is your conclusion about the bags based on this result? (Select the most appropriate response)
A. The bag of candy produced last Monday is like the standard bag.
B. The bag of candy produced last Monday is different from the standard bag.
C. The two bags cannot be compared.
D. We need more bags to complete the comparison.

Answers

Answer:

1. B. The bag of candy produced last Monday is different from the standard bag.

2. A. The bag of candy produced last Monday are like the standard bag.

3. B. The bag of candy produced last Monday is different from the standard bag.

Step-by-step explanation:

Given - A company that makes hard candy have a standard bag of hard candy with 150 pieces. The hard candy has three distinct colors red, white and orange and equal proportion of each candy is present in the standard bag. The manager wants to know whether the bags produced last Monday were similar to the standard bag. To test this, they plan to choose a random bag from the batch and compare it with the standard bag. You will have to answer questions below to assist the manager in comparing the two bags.

To find - 1. What is the alternate hypothesis for this exercise?

              2. What is the null hypothesis for this exercise?

              3. After performing the necessary calculations, the chi-square value of the test is 6.7. The cut-off/critical value of chi-square test is 5.991 (for 5% chance).  What is your conclusion about the bags based on this result?

Proof -

1.

The alternate hypothesis is - B. The bag of candy produced last Monday is different from the standard bag.

2.

The null hypothesis is - A. The bag of candy produced last Monday are like the standard bag.

3.

The conclusion is - B. The bag of candy produced last Monday is different from the standard bag.

What is the volume of a rectangular prism with a length of 2.5 cm, a width of 3.1 cm and a height of 1.2 cm?



A. 7.75 cm³
B. 8.1 cm³
C. 8.3 cm³
D. 9.3 cm³

Answers

The answer is D- 9.3cm^3

A 2-mile walking trail has a distance marker every 1\4 mile. How many markers are along the trail?

Answers

Answer: 8

Step-by-step explanation:

From the question, we are informed that a 2-mile walking trail has a distance marker every 1\4 mile. Hl

The number of markers that are along the trail will be calculated as:

= Length of walking trail / interval of distance marker

= 2 ÷ 1/4

= 2 × 4

= 8

There are 8 markers along the trail.

Convert.

32 ft =
yd
ft Helpp

Answers

Answer:

10.667 yards

Step-by-step explanation:

How many words can be formed from the letters of the word 'ENGLISH' ? How many these do not begin with E? How many of these begin with E and do not end with H?​

Answers

Total Number of words made out of English = 93

i need help asap PLEaSSSSSSSSAE

Answers

Answer:

c

Step-by-step explanation:

It’s B because with the point (100,340), 100 represents the amount of corn and 340 is the price for 100 bushels of corn. So, divide 340 by 100 and you get 3.40 which is the price for one bushel

The area of the square is
........ square centimeters.
9.5 cm
9.5 cm

Answers

area=a^2
9.5^2 = 90.25

someone help pls, :((((

Answers

I’m starting to learn this in class, starting today. it may be wrong.
but to complete a quadratic square, you do (b/2)^2
which b would be 8.
so (8/2)^2
which would turn out to be 16

so the number added to complete the square would be 16.

Solve for x
3x + 9
x=
33
30
27

Answers

33 is the answer ......

Answer:

Please can you complete the question

the surface area 5cm x 14cm x 6cm

Answers

The surface is the sun of all the sides. With the information provide I can only work out the volume, which is 420cm^3

i wasnt paying attention in math class and now I cant do my assignment ahh​

Answers

Answer:

336m^2

Step-by-step explanation:

base x height + (side1 + side2 + Height)Length

What is the difference between 2386 and 7000 check your answer using inverse operations

Answers

Answer:

7,000 - 2,386 = 4,614

4,614 because 7000-2386=4614 and if you use inverse operation it is 2386+4614=7000

If 5x + 1 = 21 then x =

Answers

Answer:

X would equal 4

Step-by-step explanation:

5 x 4 is 20. And the equation was 5x + 1 = 21.

So, the answer would equal 20. Hope this helped!! :D

Answer:

x=4

Step-by-step explanation:

Start with your equation: 5x+1=21

Subtract 1 on both sides: 5x=20

Divide by 5 on both sides: x=4

Hope I helped

Solve for x and show work.

Answers

Answer:

44

Step-by-step explanation:

since 88 is the whole angle and your trying to find 1 side you would divide 88 by 2 which gives u 44

Help plz ASAP for 20pts

Answers

Answer:

Not sure if this is correct but this is what I found.

area of sector=74.84

radius = 8

angle of sector=?

74.84=1/2×8²×angle of sector

74.84=32 × angle of sector

74.84/32= angle of sector

2.33875=angle of sector

Step-by-step explanation:

Sorry if it is incorrect.

A set of instructions says to subtract 5 from a number n and then double that result, calling the final result p. Which
Function rule represents this set of instructions?
A p = 2(n-5)
B. p = 2n-5
C. n = 2(p-5)
D. n = 2p - 5

Answers

Answer:

it either A or B im not sure which one

Step-by-step explanation:

9k^2+11k-36k-44 ????

Answers

Answer:

[tex]9k^{2} - 25k - 44[/tex]

Step-by-step explanation:

I need help on this ASAP

Answers

75cm²

Explanation:

10 times 15 is 150 and since it is a triangle you divide in half so the answer is 75. And in this case the 18 is not needed.

Answer:

75cm²

Step-by-step explanation:

The area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle. But in this case, there are three sides.

To find the area of a triangle with 3 sides given as 10, 15, and 18, we assume that a = 10, b = 15, and c = 18.

Then the semi-perimeter is, s = (a + b + c)/2 = (10 + 15 + 18)/2 = 21.5. We will find the area of the triangle using Heron's formula.

A = √[s(s-a)(s-b)(s-c)]

= √[8(21. 5-10)(21.5 -15)(21. 5-18)]

= √[21.5 × 11.5 × 6.5 × 3.5]

= √(5625)

≈ 7.5

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