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3 years ago

7

Please help me I have 10 minutes no scams I’m in 7th grade

1 answer:

dangina [55]3 years ago

6 0

Answer:

The answer is 37

Step-by-step explanation:

180- 143= 37

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Since opening night, attendance at play A has increased steadily, while attendance at play B first rose and then fell. Equations

lbvjy [14]

Answer:

(5,151) and (16,316) are days with equal attendance for both plays.

Step-by-step explanation:

brainly.com/question/8102047

8 0

3 years ago

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1. Write a quadratic function, in standard form, that fits the set of points. Solve it as a system of three equations

sasho [114]

Answer:

The equation is $y=2x^2+4x-7$

Step-by-step explanation:

Let the quadratic function be

$y=ax^2+bx+c$

The point (-4,9) must satisfy this function,

$\Rightarrow a(-4)^2+b(-4)+c=9$

$\Rightarrow 16a-4b+c=9...(1)$

The point (0,-7) must also satisfy this function,

$\Rightarrow a(0)^2+b(0)+c=-7$

$\Rightarrow c=-7...(2)$

The point (1,-1) must also satisfy this function,

$\Rightarrow a(1)^2+b(1)+c=-1$

$\Rightarrow a+b+c=-1...(3)$

We put equation 2 into equation 1 to get;

$\Rightarrow 16a-4b-7=9$

$\Rightarrow 16a-4b=16$

$\Rightarrow 4a-b=4...(5)$

We again put equation 2 into equation 3 to get;

$\Rightarrow a+b-7=-1$

$\Rightarrow a+b=6...(6)$

We add equation 5 and 6 to get;

$5a=10$

$\Rightarrow a=2$

We put $a=2$ into equation 6 to get;

$2+b=6$

$\Rightarrow b=6-2$

$\Rightarrow b=4$

The equation is therefore $y=2x^2+4x-7$

5 0

2 years ago

Plz help me, plzzzzz <br> (plz no trolling)

Phantasy [73]

1=104 2=76 3=104 4=76 5=104 6=76 7=104 8=76

8 0

2 years ago

Find the quotient and remainder for 52/8

Len [333]

6 with the remainer of 4.

6 0

3 years ago

Olaf wants to buy a guitar that costs $600. He makes $3 per day. How many days will it take Olaf to save enough money to buy the

astraxan [27]

Answer:

200 days

Step-by-step explanation:

600/3 = 200

3x 200 = 600

8 0

3 years ago

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