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Mrac [35]
3 years ago
13

Is Amy’s answer accurate

Mathematics
1 answer:
Rom4ik [11]3 years ago
4 0

Answer:

What do you mean??

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Solve for the variable in the following proportion 4/7 = x/161
Bess [88]
We want to solve
4/7 = x/161

Cross multiply.
7x =(4)(161) = 644

Divide each side by 7.
x = 644/7 = 92

Answer:  x = 92
4 0
3 years ago
Read 2 more answers
Solve by using proper methods. Show your work.
NeX [460]

Answer:

$70,201.38

Step-by-step explanation:

To determine the principal amount, we can use the formula:

P=\dfrac{A}{(1+\frac{r}{n})^{nt}}

A = $200,000

r = 7% or 0.07

t = 15 years

n = 12

Now let's substitute our values.

P=\dfrac{200,000}{(1+\frac{0.07}{12})^{12(15)}}

P=\dfrac{200,000}{(1.00583333333)^{12(15)}}

P=70,201.38

So the principal needed to get 200,000 in 15 years is $70,201.38.

7 0
3 years ago
create a perfect square trinomial that can be factored using special patterns. Factor the trinomial and show all work for full c
Lyrx [107]

Answer: 4x^2+12x+9


Step-by-step explanation:

A perfect square trinomial is written as ax^2+bx+c, where

first term ax^2 = square of first term of binomial

second term=bx=twice the product of both terms of binomial.

and third term 'c'=square of last term of binomial

Thus to create a perfect  square trinomial put 'a' and 'c' a square number

Let a=4 and c=9

The required trinomial will be

4x^2+12x+9

=(2x)^2+2(2x)(3)+3^2\\=(2x+3)^2.......\text{[using pattern}(a+b)^2=a^2+2ab+b^2]\\=(2x+3)(2x+3)

3 0
3 years ago
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Find the lateral area ​
Dahasolnce [82]

Answer:

228

Step-by-step explanation:

3 0
3 years ago
If 14 people show up to a cookout and you make 21 hot dogs, how many will you need to make if 105 people up?
Oksanka [162]

Answer:

Step-by-step explanation:

let x = number of  of hot dogs that 105 people  will do

therefore

14 people = 21 hot dogs

105 people = x hot dogs

14 x 105 people = 21 x Xhotdogs

1470 = 21X

divide through by 21

1470/21 = 21X/21

70 = X

X = 70

therefore,

105 people will makev 70 hot dogs

7 0
3 years ago
Read 2 more answers
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