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Verizon [17]
3 years ago
10

Select the correct answer. Nina can stitch of a dress in 4 hours. If d represents the number of dresses and h represents the num

ber of hours, which equation represents this proportional relationship? A. d = 6h B. 3d = 4h C. D. d = 4h E.
Mathematics
1 answer:
Kipish [7]3 years ago
3 0

Answer: I believe it’s D

Step-by-step explanation:

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Solve: 2 + 2x=19 + 2x<br> 2=19<br> Answer: No Solutions
riadik2000 [5.3K]

Answer:

no solution

Step-by-step explanation:

2+2x=19+2x

2x-2x=19-2

0=17

6 0
2 years ago
Find a polynomial function of lowest degree with
ra1l [238]

Answer:

x^3-4x^2+25x-100

Step-by-step explanation:

We have 2 roots -5i and 4. Using the conjugate root theorem for the root -5i, we know that 5i should be another root

Combining the roots into a polynomial gives us:

(x+5i)(x-5i)(x-4)

Expand:

(x^2 + 25)(x-4)

x^3-4x^2+25x-100

8 0
1 year ago
The volume of a cone is 88π cubic feet. Its height is 8 feet. Fatima is finding the radius of the cone. Her work is shown below.
Kisachek [45]
To evaluate the radius of the cone we proceed as follows:
V=1/3 πr²h
plugging in the values, v=88π, h=8 ft
step 1
88π1/3πr²(8)
step 2
88π=8/3πr²
step 3
 divide both sides by π
88=8/3r²
multiply both sides by 3/(8)
88(3/8)=r²
step 4
simplify
33=r²
step 5 
get the square root
r=√33

Thus the mistake that Fatima made was:
<span> In step 3, Fatima did not multiply 88 by the reciprocal of 8/3 </span>
9 0
2 years ago
Read 2 more answers
Find the difference in the given lengths of the polygons . (7x + 2) units (6x - 5) units .
Tom [10]

Answer:

Difference in the lengths of the polygons is (x + 7) units.

Step-by-step explanation:

Lengths of the given polygon = (7x + 2) units and (6x - 5) units

Therefore, difference in the given lengths = (7x + 2) - (6x - 5)

                                                                      = (7x - 6x) + (2 + 5)

                                                                      = x + 7

Therefore, difference in the lengths of the polygons is (x + 7) units.

7 0
2 years ago
What is the expression written using each base only once?
Murrr4er [49]
1. (-4)^-6 * (-4)^7 = (-4)^(-6+7) = (-4)^1 =
  B. -4

2. (3*10^6)*(8*10^-4) = (3*8)*10^(6-4) = 24*10^2 =
  B. 2.4*10^3
5 0
3 years ago
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