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RideAnS [48]
2 years ago
10

Which equation is a direct variation function? y = x y = x + 2 y = x2 y = 4

Mathematics
1 answer:
AleksandrR [38]2 years ago
8 0
The answer is the third one,, y= x2
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A group of of biped and pentapeds were standing together. There were a total of 33 feet. How Many bipeds and pentapeds can be st
Vitek1552 [10]
Biped means two feet
pentapeds  means five feet

answer:
p=5
b=4

check:
5x5=25
4x2=8
25+8=33
4 0
3 years ago
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What is 4/11 divided by 4/9? Perform the indicated operation.
GalinKa [24]

Answer:

The answer is 11/9

Step-by-step explanation:

8 0
3 years ago
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The sum of the first term of an ap is 240 and the sum of the next 4 term is 220 find the first term of the ap
Sindrei [870]

Answer:

The common difference is -5/4

T(n) = T(0)  - 5n/4,

where T(0) can be any number. d = -5/4

Assuming T(0) = 0, then first term

T(1) = 0 -5/4 = -5/4

Step-by-step explanation:

T(n) = T(0) + n*d

Let

S1 = T(x) + T(x+1) + T(x+2) + T(x+3) = 4*T(0) + (x + x+1 + x+2 + x+3)d = 240

S2 = T(x+4) + T(x+5) + T(x+6) + T(x+7) = 4*T(0) + (x+5 + x+6 + x+7 + x+8)d = 220

S2 - S1

= 4*T(0) + (x+5 + x+6 + x+7 + x+8)d - (4*T(0) + (x+1 + x+2 + x+3 + x+4)d)

= (5+6+7+8 - 1 -2-3-4)d

= 4(4)d

= 16d

Since S2=220,  S1 = 240

220-240 = 16d

d = -20/16 = -5/4

Since T(0) has not been defined, it could be any number.

7 0
3 years ago
X^3 times x^? equals to x^17 <br><br> what’s the missing exponent?
ElenaW [278]

Answer:

  14

Step-by-step explanation:

The applicable rule of exponents is ...

  (a^b)(a^c) = a^(b+c)

__

You have ...

  (x^3)(x^a) = x^17

  x^(3+a) = x^17

Equating exponents, we get ...

  3 +a = 17

  a = 14

The missing exponent is 14.

5 0
3 years ago
Which equation represents the line that has a slope of 4 and passes through the point (2, 7)?
IrinaK [193]

Answer:

A) y = 4x - 1

Step-by-step explanation:

y = mx + b

y = 4x + b

7 = 4(2) + b

7 = 8 + b

-1 = b

y = 4x - 1

8 0
3 years ago
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