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seropon [69]
3 years ago
12

I need help apparently i dont get it

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
5 0
Use pemdas then youll get it way better!
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What is the value of 3x^2-5x+2 when x=-4?<br> a. -66<br> b. -26<br> c. 30<br> d. 70
Alja [10]

Answer:

d. 70

Step-by-step explanation:

Substituting the value of x=-4, in the given quadratic expression,

3* (-4)^2 - 5*(-4) + 2

= 3*16 - (-20) + 2

= 48 + 20 + 2

= 70

7 0
3 years ago
It takes 3/4 tsp. of vanilla to make a batch of cookies. How many tsp. would I needed for 4 batches of cookies?
IRISSAK [1]

Answer:

3/1 tsp. or 3 tsp.

Step-by-step explanation:

3/4 times 4

7 0
3 years ago
Change to Slope-Intercept form (Y=MX+B) Show all your work!!!! 2x-y=2​
ivanzaharov [21]

Answer:

y=2x-2

Step-by-step explanation:

2x-y=2

   +y  +y      1)add y to both sides

2x=y+2

-2     -2        2) Substract 2 from both sides

2x-2=y

y=2x-2         3) Use the Refelxive POE to flip the sides

8 0
3 years ago
Read 2 more answers
Earl E. Bird se levanta às 8h para trabalhar. Quando ele dirige a uma velocidade média de 40 mph, ele se atrasa 3 minutos. Quand
tatiyna

Answer: 48 millas por hora

Step-by-step explanation: 40t + 2= 60t - 3,  es t = .25.

la distancia de su casa a su trabajo es 40(0.25 +0.05) =12 millas allí para su velocidad promedio debería ser 12/0.25 = 48 millas por hora

3 0
3 years ago
If M (-4,7) is the midpoint of B (-3,-6), find the cords of point A. please show work
alexira [117]

Answer:

A(-5,20)

Step-by-step explanation:

A(X,Y)

(X-3)/2=-4 (Y-6)/2=7

X=-5 Y=20

5 0
3 years ago
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