Solve the following system.

y = -2x 2 + 3x - 1 and x + y = -1.

The solutions are
and

Answers

Answer 1
Answer:

x = 0, y = -1
x = 2, y = -3

Step-by-step explanation:


Related Questions

If f(x) 2(3x) 1, what is the value of f(2)?

Answers

⟱ ANSWER ⟱

f(x)= 2 (3x) +1f(2)=2(3×2)+1f(2)=2(6)+1f(2)=12+1f(2)=13

So the ans is 13

HOPE IT HELPS U !!!!!!(:

Pls someone help I need help with 2 I need answer and explanation pls

Answers

Answer:

2. B, 18 = 11 + 7

If you plug in the 7 in the y it would make sense

18 = 11 + y

Let's plug in the 7

18 = 11 + 7

and 11 + 7 = 18, so it makes sense! Therefore B is your answer for question number 2.

Answer:

B. 18 = 11 + y

Step-by-step explanation:

since y = 7

substitute it into the equation which becomes

18 = 11 + 7

which makes this statement true.

11 + 7 = 18

Help me QUICK
Picture included of the problem

Answers

I think it would be a and f :)

I NEED THIS BY TODAY!!

Answers

Step-by-step explanation:

[tex](1. \: x = - \frac{y}{3} [/tex]

[tex](2. \: x = \frac{22 + 3y}{2} [/tex]

I think this is correct and what you wanted

2x-3(-3x)=22
2x+9x=22
11x=22 and divide eleven on both sides leaving x=2

If the length of qr is 8 cm and the length of qs is 12 cm, what is the length of rs? No links Pls

Answers

Answer:

8.94

Step-by-step explanation:

Given that

qs = 12cm

qr = 8cm

Required  

rs

Using the pythagoras theorem

Let us assume qs is the hypotenuse side

qs² = qr² + rs²

12² = 8² + rs²

144 = 64 +rs²

rs² = 144 - 64

rs² = 80

rs = √80

rs = 8.94

Hence the value of rs is 8.94

You spin the spinner, flip a coin, then spin the spinner again. Find the probability of spinning an odd number, flipping heads, then spinning another even number.

Answers

Answer:

spinng of an odd number -50%

fliping heads - 50%

spinin an even number- 50%

Step-by-step explanation:

the diagram below shows the path a bird flies from the top of a 9.5 foot tall sunflower to a point on the ground 5 feet from the base of the sunflower. to the nearest tenth of a degree what is the measure of angle x?

Answers

Answer:

Step-by-step explanation:

25A) Find the length of a rectangular lot with a perimeter of 132 feet if the
length is three more than twice the width.

Answers

Answer:

34.5 ft

Step-by-step explanation:

~Refer to the attachment for the solution.

Find the measure of the arc TDB in the circle P shown below:

Answers

[tex]\huge{ \mathfrak{  \underline{ Answer \:  \:  ✓ }}}[/tex]

The Angle formed by an arc on the centre of the circle is double the angle made by the same arc on the circumference of the circle.

So,

[tex] \boxed{ \mathrm{ \angle TDB = \dfrac{1}{2} \angle TPB }}[/tex]

[tex] \mathrm{\angle TDB = \dfrac{1}{2} \times 90 \degree}[/tex]

[tex] \mathrm{\angle TDB =45 \degree } [/tex]

_____________________________

[tex]\mathrm{☠ \: TeeNForeveR \: ☠}[/tex]

Using the unit circle, determine the value of sin(-240°).
A) -1/2
B) √3/2
C) 1/2
D) -√3/2

Answers

Answer:

B. √3/2.

Step-by-step explanation:

If we follow the circle from (1,0) clockwise through 240 degrees we end up at 120 degrees.

sin(120)

= √3/2

what is the best choice for value y?

Answers

Answer:The answer is second option

[tex] {x}^{10 - 3} \\ {x}^{7} [/tex]

The correct answer is the second opinion. Have a great day lovely’s

GEOMETRY/10 POINTS
WHAT DOES B EQUAL TO?
WILL MARK BRAINLIST GOD BLESS U

Answers

Answer :

[tex]360 - 108 = 252\\since \ divided \ equally = 126 each\\so \ b = 126[/tex]

answer: b=126

explanation: since the outer ring of the circle is 360 degrees, i took 360 and subtracted 108. then, since the other two sectors are equal to each other, i took the answer of 360-108 which is 252 and divided it by 2 to get 126.

hope this helps! have a good day :)

Solve.
3x+4y=−15

2x−2y=−3

Answers

The solution is (-3,-3/2)
point form: (-3, -3/2)

equation form: x=-3, y=-3/2

let me know if you need the work!

a batch of granola uses 2 cups of honey to make 24 servings. how much honey is needed to make 42 servings

Answers

Answer:

hi hlo wat is ur help tell me quick

If x = 9 when y = 36 and x is directly
proportional to y, what is x when y= 6?

Answers

Answer:

[tex]x = 1.5[/tex]

[tex]Explaination :\\\frac{36}{9} = 4\\\frac{6}{4} =1.5\\Answer = 1.5[/tex]

Answer:

x = 1.5

Step-by-step explanation:

[tex]\frac{9}{36} :\frac{x}{6}[/tex]

Cross multiply.

36 · x = 9 · 6

Simplify.

36x = 54

Divide each side by 36.

36x ÷ 36 = 54 ÷ 36

Simplify.

x = 1.5

How does this make you feel?

Answers

Answer:

sad to be honest

Step-by-step explanation:

Answer:

yo lemme stand in that dark door way

there

Step-by-step explanation:

please help quickly pls D:

Answers

the fourth one best summarizes the passage

A fair die is rolled once. Let A be the event of rolling an even number, and let B be the event of rolling a number greater than 3. Find A ∩ B

Answers

Answer:

A ∩ B = {4, 6}

Step-by-step explanation:

A die had 6 faces

S = {1, 2, 3, 4, 5, 6}

If A  be the event of rolling an even number, then;

A = {2, 4, 6}

If B be the event of rolling a number greater than 3, then;

B = {4, 5, 6}

A ∩ B are the values that are common to both sets

A ∩ B = {4, 6}

Solve
1 . 10(d+2)
0.25. Show your reasoning.

Answers

10d+20 10xd=10d 10x2=20

867 runners entered a race. 276 more entered before
the race started. How many runners are in the race?
A
1,143
B
591
1,043
D
239,292

Answers

Answer:

a

Step-by-step explanation:

calculator

Answer each part below using only mental math, and describe your method. a. If 39 is 1% of a number, what is that number? How did you find your answer? b. If 39 is 10% of a number, what is that number? How did you find your answer? c. If 39 is 5% of a number, what is that number? How did you find your answer? d. If 39 is 15% of a number, what is that number? How did you find your answer?

Answers

Answer:

Step-by-step explanation:

Given:  39 = 0.01n

Move the decimal point on each side two places to the right:  3900 = n

Jack is building a rectangular fence for his ferret. He has 20 feet of fencing and wants the short side of the fence to be 7 2 feet. How long will the other side of the fence be? Write the answer in decimal form. The long side will be feet.

Answers

Answer:

6.5 feet

Step-by-step explanation:

The guy above me is correct its 6.5 feet

What is the equation of a circle with a center located at (4, -1) and a radius of 9?

Answers

Answer:

(x-4)^2 + (y+1)^2 = 81

Step-by-step explanation:

you clearly have internet access and could have very quickly searched for the equation of a circle.

(x-h)^2 + (y-k)^2 = r^2

with (h,k) being the center.

=> (x-4)^2 + (y+1)^2 = 81

From a stick 2y metres long, I cut a piece of length 4y centimetres. What fraction of the original stick remains?

None of these
49/50
-1/2y
-2y

Answers

Answer:

-1/2y

Step-by-step explanation:

2/4  =  1/2

What is the area of the figure? (PLSSS HELP QUICKLY!!)

Answers

Answer:

416 cm^2

Step-by-step explanation:

The formula for the area of a trapezoid is:

[tex]\frac{(b1+b2)*h}{2}[/tex]

where b1 and b2 are the bases and h is the height. We can plug what we have into the formula:

[tex]\frac{(14 + 38)*16}{2}[/tex]

[tex]\frac{(52)*16}{2}[/tex]

[tex]52*8[/tex]

416 cm^2

Find the measure of ZBAC. (The figure is not drawn to scale.)
70
с
A
70
B
140
С
20
D
35

Answers

35 degrees I would say.

The width of a rectangle is its length. The perimeter of the rectangle is 420 ft.
What is the length, in feet, of the rectangle?

Answers

Width=length

Let's assign a variable for the width, and call it x.

Since the width is equal to it's length, we can also call the length x.

The perimeter formula for a rectangle is 2(l+w).

Hope this helps!

Answer:

[tex]105ft[/tex]

Step-by-step explanation:

Since it's saying that the width of a rectangle is its length, that means all the sides of the rectangle are equal.

Since a rectangle has only 4 sides, we can divide the perimeter of the rectangle (420 ft) by 4 (sides)

Note: perimeter is the sum of all sides!

420 ÷ 4 = 105

Hope this helps!

please help!!! i will mark brainliest!!

Answers

Answer:

A. 96

C. 48

D. 24

Step-by-step explanation:

Multiples of 8

8 = 8, 16, 24, 32, 40, 48, 56, and 64, 72, 80, 88, 96, 104,.......

Multiples of 12

12 = 12, 24, 36, 48, 60, 72, 84, 96, 108,........

Common multiples of 8 and 12 = 24, 48, 72 and 96

The correct answers are:

A. 96

C. 48

D. 24

In the design shown below, four semicircles are attached to a square whose area is 36 square centimeters. Which of the following is closest to the total area of the shaded semicircles, measured in square centimeters?

Answers

Answer:

56.549 cm   (choice 1)

Step-by-step explanation:

If the area of the square if 36 cm, then each side is 6 cm.

That means the diameter for each semi circle is also 6 cm.

Formula for a semi circle is 1/2(πr²)

We need the radius, which is half the diameter. So the radius is 6÷2= 3

Now plug in to the formula.

A= 1/2(π3²)

A= 14.137 (nearest hundredths)

Now multiply that by 4, because there are 4 semi circles

4(14.137)= 56.549 cm (nearest hundredths)

The sum of the ages of Mark, Tim and Jane is 39. In 5 years, the ratio of Mark's
5 age to
Tim's age to Jane's age will be 10:9:8. How old is Mark now?
A.
В.
C.
D.
15
14
13
20​

Answers

Answer:

A. 15

Step-by-step explanation:

10 : 9 : 8

Mark: 10x

Tim: 9x

Jane: 8x

(10x - 5) + (9x - 5) + (8x - 5) = 39

10x - 5 + 9x - 5 + 8x - 5 = 39

27x - 5 - 5 - 5 = 39

27x - 15 = 39

27x - 15 + 15 = 39 + 15

27x = 54

27x ÷ 27 = 54 ÷ 27

x = 2

Mark: 10x - 5

10x - 5

10(2) - 5

20 - 5

15

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