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Oksanka [162]
2 years ago
14

66 dollars is fifteen % of what amount

Mathematics
1 answer:
inn [45]2 years ago
8 0
66 is 15% of what amount....
66 = 0.15x
66/0.15 = x
440 = x......so $ 66 is 15% of $ 440
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Question 5 (5 points)
vivado [14]

Answer:

(x-9.291)\cdot (x + 1.292)

Step-by-step explanation:

The factors of the given polynomial (x^{2}-8\cdot x - 12) are derived from the General Formula for Second-Order Polynomials:

x = \frac{8 \pm \sqrt{64 - 4\cdot (1)\cdot (-12)}}{2\cdot (1)}

x_{1} \approx 9.291 and x_{2} \approx -1.292

The factors of the polynomial are:

(x-9.291)\cdot (x + 1.292)

5 0
3 years ago
Read 2 more answers
The square root of -100 = ___ + ___i
ddd [48]

Answer:

The square root of -100 is 10i

Step-by-step explanation:

7 0
3 years ago
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If the diameter of a circle is 3 and pi=3.14, what is the circumference? Im confused on how to get the circumference.
Afina-wow [57]

Answer:

9.426 units

Step-by-step explanation:

Given data

Diameter= 3 units

Radius= 1.5 units

The circumference is given as

C=2πr

C=2*3.142*1.5

C=9.426 units

Hence the circumference is 9.426 units

4 0
2 years ago
The Malcolms are taking a trip. Midville is 214 miles
Juliette [100K]

Answer:

642 miles

Step-by-step explanation:

Distance of Midville from their home = 214 miles

Walesburg is 3 times as far.

How far is Walesburg from their home?

Distance of Walesburg from their home = 3 × Distance of Midville from their home

= 3 × 214 miles

= 642 miles

Distance of Walesburg from their home = 642 miles

8 0
3 years ago
Solve the following problems. Choose the letter of the correct answer. (Show your complete solutions.)
motikmotik

:1

i didnt understand the question because of my English sorry

:2

we all know that the total of degrees is 180 so 70+70=140

180-140=40

so the answer is 40

3:

we have a figure with 4 angle so the total of degrees is 360 so the answer is 126

4:

the answer most be 50 becuse we have a Special degree witch always equal 90 if we have recatngle so

x+40=90

X=50 the answer and if you want to try again choose the second one

2x-10=90

2x=100

X=50 same answe you see

5:

in this quastion i searched and find alot of answers any way

its should be 7 or 3 but the correct answer in my opinion its 7

its shows in the picture i sent hopefully its helpful to you i will try to translate the first quastion and sent it to you

6 0
2 years ago
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