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Ede4ka [16]
3 years ago
13

Solve the problem using the correct steps in PEMDAS. 23 - ( - 10 ÷ 2 + 6) + (-13)=?​

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
7 0
Yep the person above me is correct
Rashid [163]3 years ago
4 0
The answer is 9 you want me to explain step by step?
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What is the value of x
Sergio039 [100]

Answer:

d. 10

Step-by-step explanation:

7 0
3 years ago
Esto es among us respondan por favor :(​
ser-zykov [4K]

Answer:

Step-by-step explanation:

solo un nino diria eso

4 0
3 years ago
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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
Can someone help find the area please?
maks197457 [2]

Step-by-step explanation:

if BC=AB

1/2× 6 × 6=18 cm^2

I'm not sure if this is right. .. I am also just a student probably of ur age

4 0
4 years ago
MARKING BRAINLIEST FOR CORRECT ANSWER :)
denis-greek [22]

Answer:

b

Step-by-step explanation:

In the question it says 25%, thus making it clear that b is the answer because percentages can be rearranged into decimals by placing a point two spaces left of the number.

5 0
3 years ago
Read 2 more answers
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