Mathematics High School

Solve by elimination:



-x+2y=17

2x+2y=-10

Answers

Answer 1
The equation form of this answer is X=7 y=-12
Point form is (7,-12)

Related Questions

Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4 times as
old as Ishaan.
How old is Ishaan now?

Answers

Ishaan is now 7 years old
4 years old
hope this helped

ASAP PLSSS!!
Find the slope of the line shown below :

Answers

Answer:

the slope is 3

Step-by-step explanation:

Suppose that the height H of a Ferris wheel can be modeled by the function H(t)= -16cos(3.14t/45)+24, where is T is the time in seconds. What is the maximum height of the cabin?

Answers

The answer is H(t)=5(censored)(go do your work child)

ayo help me :)

Which angle has the same degree measure as a half circle?


acute angle


obtuse angle


right angle


straight angle

none of the above

Answers

Answer:

Straight angle

Step-by-step explanation:

Half circle is 180 degrees

Solve sin⁡x=0.8 in the interval 0≤x≤360∘ Principal value: x=53.1∘ What is the other solution in the interval?

Answers

9514 1404 393

Answer:

  126.9°

Step-by-step explanation:

The sine of an angle is the same as the sine of its supplement. The other solution in the interval is ...

  180° -53.1° = 126.9°

What’s the answer to this problem cause I’m super confused

Answers

Answer:

so,the area of the rectangle=length ×width

area of rectangle=10×5

area of rectangle=50in²

howwwww do you solve this

Answers

Answer:

pay attention in class or be gifted with super smarts

Step-by-step explanation:

Answer:

x = 2

Step-by-step explanation:

4x - 2 = 2x + 2

4(2) - 2 = 2(2) + 2

x = 2

Pls help me!!!

2.5 Ib= oz

Answers

Answer:

40 ounces

Step-by-step explanation:

1 pound = 16 ounces

Answer:

The answer is...

Step-by-step explanation:

40 oz is how many oz are in 2.5 lb

Hope this helped

:)

HELP!! due right now!! giving brainlest?

Answers

Answer:

45

Step-by-step explanation:

7+11= 18

18/2=9

9*5=45

the number of hours you work. Suppose that you earned $102 for working 12 hours, how much
would you earn for working 18 hours?

Answers

You would earn 153$, 102 divided by 12 is 8.5 so now you know how much you make an hour, now you work 18 hours so the equation would be : 8.5x18=153$

I need help quick- Thanks btw :>

Answers

Answer: 3/4 feet

Step-by-step explanation:Conversion a mixed number 3 5/

12

to a improper fraction: 3 5/12 = 3 5/

12

= 3 · 12 + 5/

12

= 36 + 5/

12

= 41/

12

To find new numerator:

a) Multiply the whole number 3 by the denominator 12. Whole number 3 equally 3 * 12/

12

= 36/

12

b) Add the answer from previous step 36 to the numerator 5. New numerator is 36 + 5 = 41

c) Write a previous answer (new numerator 41) over the denominator 12.

Three and five twelfths is forty-one twelfths

Conversion a mixed number 2 2/

3

to a improper fraction: 2 2/3 = 2 2/

3

= 2 · 3 + 2/

3

= 6 + 2/

3

= 8/

3

To find new numerator:

a) Multiply the whole number 2 by the denominator 3. Whole number 2 equally 2 * 3/

3

= 6/

3

b) Add the answer from previous step 6 to the numerator 2. New numerator is 6 + 2 = 8

c) Write a previous answer (new numerator 8) over the denominator 3.

Two and two thirds is eight thirds

Subtract: 41/

12

- 8/

3

= 41/

12

- 8 · 4/

3 · 4

= 41/

12

- 32/

12

= 41 - 32/

12

= 9/

12

= 3 · 3/

3 · 4

= 3/

4

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of the both denominators - LCM(12, 3) = 12. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 12 × 3 = 36. In the next intermediate step , cancel by a common factor of 3 gives 3/

4

.

^Solve for x. Please help me if you can I really need the answer

Answers

Answer:

x ≈ 25.1

Step-by-step explanation:

Using the sine ratio in the right triangle

sin26° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{11}{x}[/tex] ( multiply both sides by x )

x × sin26° = 11 ( divide both sides by sin26° )

x = [tex]\frac{11}{sin26}[/tex] ≈ 25.1 ( to 1 dec. place )

"Correct" Answer:

53

Step-by-step explanation:

It's automadically 90 degrees because it's an acute angle, so you add 11 + 26 which gives you 37. Subtract 90 from 37 and it gives you 53, the variable.

26 + 11 = 37

90 - 37 = 53

4.2r - 12.68 = 10
how to sole it to plz

Answers

r=5.4

4.2r-12.68=10
+12.68 +12.68
4.2r=22.68
4.2/4.2 22.68/4.2
22.68/4.2= 5.4

Hope this helps! Have a great day :)

Hi there!

r=5.4

1.Add the terms:

[tex]22.68*4.2=5.4[/tex]

2.Divide the two terms:

[tex]22.68*4.2=5.4[/tex]

Therefore, r=5.4.

The ratio of red to blue marbles in a bag is 3:2. If there are 18 red marbles in the bag, how many
blue marbles are in the bag?
A 27
B 24
C36
D 12

Answers

D. 12
If 3x6=18 then 2x6=12

During a film festival, the first film ticket is priced at $16, and each additional ticket is $11. If Rico spends $71, then how many tickets did he purchase?

Answers

Answer:

5

Step-by-step explanation:

16 + 11x = 71

16 + -16 + 11x = 71 + -16

16 + -16 = 0

0 + 11x = 71 + -16

11x = 71 + -16

11x = 55

x = 5

Expand and simplify (x + 3)(x - 1)

Answers

I hope it helps you ❤️❤️❤️❤️

The ocean's surface is at 0. Which is farthest from the ocean’s surface?
A.
a fish swimming at -22 feet
B.
a kite flying at 48 feet
C.
a shipwreck at -52 feet
D.
a balloon at 19 feet

Answers

Answer:

C. a shipwreck at -52 feet

Step-by-step explanation:

It is asking which is farthest from the ocean's surface, so we must use absolute value.

[tex] | - 22| = 22 \\ |48 | = 48 \\ | - 52| = 52\\ |19| = 19[/tex]

52 is greater than the others. therefore the farthest away.

The diameter is 24 cm. Find the length of arc CD.

Answers

Answer:

4pi or 12.56637061

Step-by-step explanation:

Answer: 12.57

Step-by-step explanation:

This is if it asks for the nearest hundredth

Help plssssssssssssss???

Answers

13290657409756235954.23

Which number produces an irrational number when added to 0.4?
B. 0.444...
C.2/7

Answers

Answer:

B.

Step-by-step explanation:

sin(3pi/4)sec(5pi/3)

need help solving this problem pls !! trig

Answers

The final answer is square root of 2

How many triangles are inside a heptagon?

3
5
2
4

Answers

Answer:

5 triangles are in a heptagon.

Help me. And fasttttttttt.

Answers

Answer:

[tex]\sqrt{85}[/tex] = 9.2195 = 9.22

[tex]\sqrt{17}[/tex] = 4.123

Step-by-step explanation:

a motorcyclist sets out on a road trip traveling at a constant rate of 45 mph. one half hour after she leaves, her friend discovers that the motorcyclist forgot her duffel bag driving at a rate of 60 mph the friend sets out in the car to catch up with her

Answers

Answer:

1. 45

2. 60

Step-by-step explanation:

i did it and got it right

Answer:

the answer is 45 and 60

Step-by-step explanation:

Suppose two different diameters are drawn on a circle. Explain how you can use these diameters to find the center of the circle.

Answers

Answer:

the diameter of a circle always passes the center, by knowing two diameters, you know the center is where they intersect

Step-by-step explanation:

yeah

13 is what percent of 15?

Answers

Answer:

86.67%

Step-by-step explanation:

Is 2.14 a rational number

Answers

Answer: yes because you can put it as a fraction like 214/100 or more simplified if you needs or wanted to.

Step-by-step explanation:

Gupty travelled 75 km 800 m by car and travelled 1800 km 40 m by aeroplane.How much did she travel altogether?

Answers

Answer: 1875km 840m

Step-by-step explanation:

From the question, we are informed that Gupty travelled 75km 800m by car and travelled 1800km 40m by aeroplane.

The distance that she travel altogether will then be:

= 75km 800m + 1800km 40m

= 1875km 840m

Which expression will help you find the area of the triangular bases?

3•12
8•3
1/2•8•3
8•12

Answers

Answer:

The correct answer is 1/2×8×3.

What’s the inverse of this function?

Answers

Answer:

Step-by-step explanation:

First replace f(x) with y

[tex]y=-2x+2[/tex]

Then switch the variables

[tex]x=-2y+2[/tex]

Solve for the new y value

[tex]x-2=-2y\\[/tex]

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

-x/2+1
X over 2 as a fraction
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