3 years ago

Which expression is equivalent to −16y+13 ?

Mathematics

2 answers:

iragen [17]3 years ago

7 0

Answer:

Step-by-step explanation:

13-16y is the same as -16y+13.

azamat3 years ago

3 0

-16y+13. Hope this helps

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Tell whether x and y show direct variation. Explain your reasoning. x=y+2

Mashutka [201]

Answer:

It does not show variation

Step-by-step explanation:

Given

$x = y + 2$

Required

Determine if there's direct variation between x and y

The general form of direct variation is:

$y = kx$

Make y the subject of formula in the given parameters;

$x = y + 2$

$y = x - 2$

Compare $y = x - 2$ to $y = kx$

<em>Since they are not of the same form, then the given equation do not show direct variation</em>

6 0

3 years ago

Round the factors to estimate the product 697 x 82

KonstantinChe [14]

Estimated would be 700 x 80

3 0

3 years ago

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2st2-s2 for s=3 t=6 what the answer

Ainat [17]

Answer:

Step-by-step explanation:

4 -1 = 3

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3 years ago

Water has a specific heat of 4.184 J/g°C and requires 23,000 J of heat to raise the

nasty-shy [4]

Answer:

$m=80.840 kg$

Step-by-step explanation:

Given Data,

Q=23000 J

c=4.184 J/g °c

Δt= 68 °c

m=?

By using this equation,

Q=mcΔt

$23000=m\times 4.184\times 68\\\\m=\frac{23000}{4.184\times68} \\\\\\m=80.840 kg$

3 0

2 years ago

Wat r partial products of 452×12

Dennis_Churaev [7]

400×10=4000
400×2=800
50×10=500
50×2=100
2×10=20
2×2=4

4000+800+500+100+20+4=5,424
Check answer by multiplying 452 and 12
452×12=5,424

5 0

3 years ago