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4 years ago

Can anyone make a word problem for 2(4+n)

Mathematics

2 answers:

ELEN [110]4 years ago

4 0

Answer:

Zach has n apples his friend gives him 4 more apples(4+n) then his mom doubles the amount of apples he has and give it to Zach 2(4+n). How many apples does zach have now

Anton [14]4 years ago

3 0

Answer:

The sum of four and a number multiplied by two

Step-by-step explanation:

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The length of a rectangle is increasing at a rate of 8cm/s and its width is increasing at a rate of 3 cm/s. When the length is 2

Aloiza [94]

Answer:

Step-by-step explanation:

let length=l

width=w

Area A=lw

$\frac{dA}{dt}=l \frac{dw}{dt}+w \frac{di}{dt}\\\frac{dl}{dt}=8 cm/s\\\frac{dw}{dt}= 3 cm/s\\\frac{dA}{dt}=20 \times 3+10 \times 8=60+80=140 cm ^{2} /s$

8 0

3 years ago

1/3(12u-2) please help me solve

jeka94

Answer:

u = 1/6

Step-by-step explanation:

1 (12u - 2 )= 0

3×1 (12u-2) =0×3

12u -2 =0

12u = 2

12 12

u = 1

8 0

3 years ago

If cot O= 12/5, find tan O

Flura [38]

Answer: Tan O= 5/12

Step-by-step explanation:

Cot O=12/5

Looking at the pythagoras theory

Cot= 1/tan

Cot O=1/tango

Cross multiply

CotO tan O=1

Make tan the subject of formula

TanO= 1/Cot O

Cot O=12/5

Substitute for cot O

Tan O= 1/12/5

Tan O= 5/12

7 0

3 years ago

2 1/4 - 2/3. A. 1 3/7. B. 1 7/12. C 2 3/7. D 2 11/12

DedPeter [7]

Answer:

B.) $1\frac{7}{12}$

Step-by-step explanation:

$2\frac{1}{4} -\frac{2}{3} Then multiply 4 by 2, then add 1.frac{9}{4} - \frac{2}{3} \\$

Then find the Least Common Denominator(LCD); simply just multiply 4 by 3 to get 12; then multiply using the opposite number.

$\frac{3}{3} *\frac{9}{4} - \frac{4}{4} * \frac{2}{3}$

to get: $\frac{27}{12} - \frac{8}{12}$ .

now the denominators is the same on both sides, just subtract the numerator.

27 - 8 = 19

Now simply: $\frac{19}{12} = 1\frac{7}{12}$ .

Your final answer is 1\frac{7}{12}[/tex].

3 0

3 years ago

Which is a third degree polynomial with -3 and 2 as its only zeros?

jek_recluse [69]

Answer:b

Step-by-step explanation:

f(x)=x^3+2x^2-5x-6

Put x= -3 in the equation

f(-3)=-3^3+2*3^2-5*3-6

= -27+18+15-6= 0

f(2)= 2^3+2*2^2-5*2-6

=8+8-10-6= 0

3 0

3 years ago