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3 years ago

3n+4 first the 7 terms

Mathematics

1 answer:

kiruha [24]3 years ago

5 0

Answer:

4, 7, 10, 13, 16, 19, 22

Step-by-step explanation:

Not sure if there is more to this question but here is what I assume:

We want to find the first 7 terms of this equation given 3n+4

Assuming we are starting at 0 we plug 0 in for n.

3(0) + 4 → 4

So our first answer is 4

We continue by pugging in the next numbers after that to get to the first 7 terms

3(1) + 4 → 7

3(2) + 4 → 10

3(3) + 4 → 13

3(4) + 4 → 16

3(5) + 4 → 19

3(6) + 4 → 22

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Expand 2(y - 8)<br> How do u do that

ss7ja [257]

Answer:

the answer is 2y-16

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have a good day :)

Step-by-step explanation:

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3 years ago

an open box with a square base have a volume of 8m^3. the material of the base costs $8 per square meter and the material for th

max2010maxim [7]

(Refer to picture for diagram.)

Area of base $=w^{2}$
Area of one side $=\frac{8}{w^{2}}*w=\frac{8}{w}$

Cost of base material $=8w^{2}$
Cost of material for a side $=6*\frac{8}{w}=\frac{48}{w}$
There are 4 sides so $4*\frac{48}{w}=\frac{192}{w}$

Total cost $C(w)=8w^{2}+\frac{192}{w}$

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3 years ago

sarah is plotting her house and her friend Angela's house on a grid. sarah's house is at (4,7) and angela's house is at (2,3). h

Gnesinka [82]

Let
P1 = (x1, y1) = (4, 7)
P2 = (x2, y2) = (2, 3)
The first thing to do in this case is to find the distance between two points by the following equation:
d (P1, P2) = root ((x2-x1) ^ 2 + (y2-y1) ^ 2)
d (P1, P2) = root ((2-4) ^ 2 + (3-7) ^ 2) = 4.47
answer
The houses are separated 4.47 units.

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3 years ago

Amelia surveyed 80 students at her school about their favorite subjec. Of those surveyed, 5 chose math as their favorite subject

Aleks [24]

Answer:

46.875, or around 47.

Step-by-step explanation:

first, we find the percentage of the 5 from the 80.

we simply divide 5/80, which equals 0.0625, or 6.25%.

Alright, so now we know that 6.25% of 80 is 5.

lets find 6.25% of 750.

to get that we just multiply 750 by 0.0625, which gives us 46.875.

Hope this helps

8 0

3 years ago

Two horses are ready to return to their barn after a long workout session at the track. The horses are at coordinates H(1,10) an

lana [24]

Distance between points $\left(x_1,y_1\right)$ and $\left( x_2,y_2 \right)$ is

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

Distance from H to B:

$[tex]d=\sqrt{(10-(-3))^2+(1-(-9))^2}=\sqrt{169+100}=\sqrt{269}$ d=\sqrt{(1-(-3))^2+(10-(-9))^2}=\sqrt{16+361}=\sqrt{376}[/tex] units.

Distance from Z to B:

$d=\sqrt{(10-(-3))^2+(1-(-9))^2}=\sqrt{169+100}=\sqrt{269}$ units.

Horse Z is closer to the barn.

(The conversion to meters is not required; the question does not ask for actual distances, so "units" is OK.)

6 0

4 years ago