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NISA [10]
2 years ago
7

Please help I can’t figure this out it’s been a very long time since I was in 5th grade. Thanks

Mathematics
2 answers:
Liula [17]2 years ago
7 0

books off challenge

Step-by-step explanation:

2×2×6=n

antoniya [11.8K]2 years ago
4 0
I guess it is 3.03 because there are three wholes and 3 little boxes
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HOW do i solve this? <br><br> 7.42 ÷ 1.75
artcher [175]

Answer:

Step-by-step explanation:

You divide 7.42 / 1.75 = the answer is 4.24

7 0
2 years ago
Read 2 more answers
A manufacturer wants to make open tin boxes from pieces of tin with dimensions 8 in. by 15 in. by cutting equal squares from the
Stells [14]

Answer:

\frac{5}{3} in

Step-by-step explanation:

Let x be the side of square.

Length of box=8-2x

Width of box=15-2x

Height of box=x

Volume of box=L\times B\times H

Substitute the values then we get

Volume of box=V(x)=(8-2x)(15-2x)x=(15x-2x^2)(8-2x)

V(x)=120x-30x^2-16x^2+4x^3

V(x)=4x^3-46x^2+120x

Differentiate w.r.t x

V'(x)=12x^2-92x+120

V'(x)=0

12x^2-92x+120=0

3x^2-23x+30=0

3x^2-18x-5x+30=0

3x(x-6)-5(x-6)=0

(x-6)(3x-5)=0

x-6=0\implies x=6

3x-5=0\implies x=\frac{5}{3}

Again differentiate w.r.t x

V''(x)=24x-92

Substitute x=6

V''(6)=24(6)-92=52>0

Substitute x=5/3

V''(5/3)=24(5/3)-92=-52

Hence, the volume is maximum at x=\frac{5}{3}

Therefore, the side of the square ,x=\frac{5}{3} in cutout that gives the box the largest possible volume.

5 0
3 years ago
Which equation models the problem?
morpeh [17]

Answer:

B=0.10x+2

Step-by-step

sponsor b is paying .10 x 52 pins + $2.  = 5.20 + 2 = 7.20

it isn’t  the 2 times 52

it is not subtracting the money

and we have to consider the 52 pins as X

7 0
3 years ago
Write in standard form: a line through the origin with slope 2/3
nordsb [41]

Answer:

y = 2/3x

Step-by-step explanation:

Slope-intercept formula: y = mx + b

m = 2/3 because the slope is 2/3.

b = 0 because the y value of the origin is 0, as the point is at (0, 0).

That makes y = 2/3x + 0, but adding zero does nothing so you take it out to get y = 2/3x.

5 0
1 year ago
Read 2 more answers
A. Graph A<br> B. Graph B<br> C. Graph<br> D. Graph D
igomit [66]

Answer:

C

Step-by-step explanation:

y = (x-1) (x+4)

when y=0

x=1 and x= -4

so select C

3 0
3 years ago
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