A rectangular prism is 3 meters long, 4 meters wide, and has a total surface area of 94 square meters. What is its height?

Answers

Answer 1

Answer: SA=2(LW+LH+WH)
SA=94
L=3
W=4
94=2(3*4+3H+4H)
divide both sides by 2
47=3*4+3H+4H
47=12+7H
minus 12 both sides
35=7H
divide oth sides by 7
5=H

5m is your answer

Answer 2

Answer:

ANSER: 5cm

Step-by-step explanation:

i had the same question and got it right

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What values of x eill make x to the 2 power=36 true

Answers

Answer:

Step-by-step explanation:

cuz 6x6 equal 36

Answer:

x=6

Step-by-step explanation:

The question is asking what value of x will make $x^(2)$ = 36.

If we take the square root of 36, we will get $√(36)$ , and that simplifies to 6.

Hope this helped.

What is the area of a circle with a diameter of 200cm? Use 3.14 for pie.

Answers

Answer:

A≈31415.93cm²

Step-by-step explanation:

Of the flowers on Jill's front lawn,2/5 are tulips. Of the tulips,5/8 are yellow. What fraction of the flowers on Jill's front lawn are yellow tulips. A 18 B 1/4 C 1/2 D 7/13

Answers

2/5 of the flowers are tulips, 5/8 of the tulips are yellow. Yellow tulpis are 5/8 of 2/5 of the flowers.

$(5)/(8) \ of \ (2)/(5)=(5)/(8) * (2)/(5)=(1)/(8) * (2)/(1)=(2)/(8)=\boxed{(1)/(4)} \Leftarrow \hbox{answer B}$

Answer:

1/4

Step-by-step explanation:

A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 140 lb and each box of books weighs 50 lb. The maximum capacity of the elevator is 830 lb. How many boxes of books can the delivery person bring up at one time?

Answers

We can model this with the following inequality

50x + 160 ≤ 1000 where x is the number of boxes....so, subtracting 160 from each side, we have

50x ≤ 840 divide both sides by 50

x ≤ 16.8 boxes ....but since he can't bring up partial boxes, round down to 16

What answer describes this sequence? 99, 89.9, 78.8, 68.7,...

a) Neither arithmetic nor geometric
b) Both arithmetic and geometric
c) Arithmetic
d) Geometric

Answers

a) Neither arithmetic nor geometric

a) Neither arithmetic nor Geometric

Explanation:
Since 99-89.9= 9.1, and 89.9 - 78.8 = 11.1, the sequence is not arithmetic.
Like wise 89.9/99=0.908 and 78.8/89.9 = 0.876 makes it not a geomtric sequence

A polynomial equation with rational coefficients has the roots 7 + *sqrt* 3 , 2 - *sqrt* 6. Find two additional roots. a. 7 - *sqrt* 3 , 2 + *sqrt* 6
b. 3 - *sqrt* 7 , 6 + *sqrt* 2
c. 7 + *sqrt* 3 , 2 - *sqrt* 6
d. 3 + *sqrt* 7 , 6 - *sqrt* 2

Answers

Answer:

option: A

Step-by-step explanation:

" if for a polynomial with rational coefficients has irrational roots then these irrational roots will always appear in pair " .

we are given that $7+√(3)$ and $2-√(6)$ are two roots of a polynomial equation with rational coefficients, then it's complex conjugate is also a root of this polynomial equation i.e. ' $7-√(3)$ ' and ' $2+√(6)$ ' are also roots of this polynomial equation.

Hence, option A is correct.

If the coefficients of a polynomial equation are rational, then the irrational roots have to come in conjugate pairs.
The conjugate of 7 +√ 3 is 7 - √ 3 and the conjugate of 2 - √ 6 is 2 + √ 6.
Answer:
A ) 7 - √ 3 , 2 + √ 6

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