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2 years ago

Can y’all help me on This num 20

Mathematics

1 answer:

horrorfan [7]2 years ago

6 0

Answer:

$4 and for $12 , you can buy three sandwiches

Step-by-step explanation:

Part A

According to the scale used on the graph, one sandwich is equivalent to $4.

So, a sandwich cost $4

Part B

The points (3 and 12) on the graph indicates that for $12, you can buy three sandwiches

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F(x)=2x+3 find the f(4)<br><br> a.11 b.8<br><br> c.9 d.5

Ivan

The answer is a because you fill in 4 where 2(x) is for the x

5 0

2 years ago

What is the volume of the square pyramid? Round to the nearest tenth.

goldfiish [28.3K]

Answer:

$V=718.7\ cm^{3}$

Step-by-step explanation:

we know that

The volume of the square pyramid is equal to

$V=\frac{1}{3}b^{2}h$

we have

$b=14\ cm$ ----> the length of the base of the square pyramid

$h=11\ cm$ ---> the height of the pyramid

substitute the values in the formula

$V=\frac{1}{3}(14)^{2}(11)$

$V=718.7\ cm^{3}$

4 0

2 years ago

Find the solution of the given initial value problem. ty' + 6y = t2 − t + 1, y(1) = 1 6 , t > 0

gtnhenbr [62]

Answer:

Step-by-step explanation:

Given is a differential equation as

$ty' + 6y = t^2 - t + 1, y(1) = 1 6 , t > 0$

Divide this by t to get in linear form

$y'+6y/t = t-1+1/t$

This is of the form

y' +p(t) y = Q(t)

where p(t) = 1/t $e^(\int 1/tdt) = t$

So solution would be

$yt = \int t^2-t+1 dt\\= t^3/3-t^2/2+t+C$

siubstitute y(1) = 16

$16 = 16^3/3-128+1+C\\C = -1206$

4 0

2 years ago

7.064 and expanded form

Andreas93 [3]

Answer:

seven and sixty-four thousandths

Step-by-step explanation:

in factors it would be

7 x 1

+ 0 x 0.1

+ 6 x 0.01

+ 4 x 0.001

3 0

2 years ago

465 how can you find the 1 places?

Kisachek [45]

to find the first places you have to look at the ones tens and hundreds so the first place is in the ones place

I hope this helps

7 0

2 years ago