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s2008m [1.1K]
3 years ago
9

I need to write y=-2/-3+490 is function notation

Mathematics
1 answer:
natita [175]3 years ago
3 0

Answer:

y=1472/3

Step-by-step explanation:

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What is the value of x?
AlekseyPX

Answer:

x = 9 cm

create proportional equation:

\sf \dfrac{9}{3x-20}  = \dfrac{72+9}{3x-20+56}

\sf \dfrac{9}{3x-20}  = \dfrac{81}{3x+36}

\sf 9(3x+36) = 81(3x-20)

\sf 27x+324 = 243x-1620

\sf 27x-243x=-1620-324

\sf  -216x=-1944

\sf x = 9

4 0
2 years ago
Read 2 more answers
Jay ate 2/3 of a pizza. Dan ate 4 times the amount of jay ate . How much did dan eat
erica [24]

Answer:

Dan eat 2\frac{2}{3} pizzas

Step-by-step explanation:

Let

x-----> amount of pizza Jay ate

y-----> amount of pizza Dan ate

we know that

x=\frac{2}{3} ----> equation A

y=4x -----> equation B

substitute equation A in the equation B and solve for y

y=4(\frac{2}{3})=\frac{8}{3}

Convert to mixed number

\frac{8}{3}=\frac{6}{3}+\frac{2}{3}=2\frac{2}{3}

8 0
3 years ago
John has 14 boxes of apples. Each box holds 10 apples. If 8 of the boxes are full, and 6 of the boxes are half full, how many ap
cestrela7 [59]
The 8 full boxes have 80 apples (8x10) and the 6 half boxes have 30 apples (6x5).
So: 80+30=110
7 0
3 years ago
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What is the value of a and b?
prohojiy [21]
A = 34 x 2 = 68
b = 56/2 = 28

hope it helps
3 0
2 years ago
Read 2 more answers
A diver swims 20 m under water to the anchor of a buoy that is 10 m below the surface of the water. On the surface how far is th
djverab [1.8K]

Answer:

There the buoy is 17.3 m from the place where the diver started.

Step-by-step explanation:

a² + b² =c²

⇒ 10² + b² = 20²

⇒ 100 + b² = 400

⇒ b² = 400 - 100

⇒ b²= 300

⇒ b = \sqrt{300}

⇒ b = 17.3 m

There the buoy is 17.3 m from the place where the diver started.

6 0
2 years ago
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