3 years ago

Which graph represents y 2 -2x + 3? OA) OB) OC) OD

Mathematics

1 answer:

Klio2033 [76]3 years ago

3 0

Graph C represents y > -2+3

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Solve the following system of equations using elimination (multiplication)

Alecsey [184]

X= 3 y=3

(3)2x+y=9
4x-3y=3

6x+3y=27
4x-3y=3
——————
10x=30
—————-
10
x=3

2(3)+y=9
6+y=9
-6. -6
y=3

6 0

3 years ago

Seattle, wa and san francisco, ca lie on the same longitudinal line. san francisco is at 38° latitude and seattle is at 47° lati

Varvara68 [4.7K]

Step 1.

Calculate measure of angle α:

$47^o-38^o=9^o$

Step 2.

Calculate what fraction of the angle 360° is the angle α:

$\dfrac{9^o}{360^o}=\dfrac{1}{40}$

Step 3.

Calculate the circumference of the Earth (circle):

$C=2\pi r\to C=2\pi\cdot4000=8000\pi\ mi$

Step 4.

The length of arc is equal 1/40 of the circumference:

$\dfrac{1}{40}C=\dfrac{1}{40}\cdot8000\pi=200\pi\ mi$

$\pi\approx3.14\to\dfrac{1}{40}C\approx200\cdot3.14=628\ mi$

<h3>Answer: A) 628 miles</h3>

8 0

3 years ago

What is 5(2 + x) = 5 ?

Alex787 [66]

5(2+x)=5

or, 10+5x=5

or, 5x= -5

or, x= -1

Hope it helps

8 0

3 years ago

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Mandy has $20,000 in a savings account that earns 15% annually. The interest is not

Natali5045456 [20]

Answer:

fstj56r

Step-by-step explanation:

934uj0t9jgji84545t

8 0

3 years ago

What is <br> 2(3x + 4) = -28

Fynjy0 [20]

Answer:

x= 10/3

x= 3.334

Depending on simplified form asked.

Step-by-step explanation:

6x +8 =28

subtract 8 from both sides

6x = 20

divide by 6

x=20 /6

x= 10/3 or x =3.334

<em>if you like my answer, please mark me brainliest !! thanks !! <3</em>

3 0

3 years ago

Read 2 more answers