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spin [16.1K]
3 years ago
7

Estimate the solution to the system of equations. y=4x-2 & y=x+3

Mathematics
1 answer:
horsena [70]3 years ago
5 0

9514 1404 393

Answer:

  (x y) = (1 2/3, 4 2/3)

Step-by-step explanation:

We're not sure the basis you're intended to use for estimating. Perhaps you're given a graph, or are intended to draw a graph. The attachment from a graphing calculator is able to tell us what the point of intersection is.

  (x, y) = (1 2/3, 4 2/3)

__

The only "estimate" we need to make is that 0.667 ≈ 2/3.

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If a/b = 4, a = 8c, and c = 9, what is the value of b?
yaroslaw [1]

Answer:

18

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Express 1.8meter in seconds given answer in scientific notation
polet [3.4K]

Answer:

Dear user,

Answer to your query is provided below

Scientific notation = 1.8x10^0

Step-by-step explanation:

This is usually expressed simply as 1.8 (Recall that 10^0 = 1.)

1.8×10^0

7 0
3 years ago
Factor the expression completely over the complex numbers.<br><br> x4−625
marusya05 [52]
Your factoring answer is: (x^2+25)(x+5)(x-5)


6 0
3 years ago
The manufacturer's price for a cooler is $28.50 A camping store that buys the coolers sells them for $40.76 What is the approxim
Nutka1998 [239]

The percent of the increase is

I=\frac{N-O}{O}\times100

I is the increasing value

N is the new value

O is the original value

The price of the cooler is $28.50, then

O = 28.50

The selling price of the cooler is $40.76, then

N = 40.76

We will substitute them in the rule above to find I

I=\frac{40.76-28.50}{28.50}\times100

Let us calculate it

I = 43.0175 %

Round it to the nearest percent

I = 43%

The answer is D

6 0
1 year ago
Use logarithms to solve each equation 2x9/8=111
Illusion [34]
<span>We have this equation:
</span>
2x^{\frac{9}{8}} = 111

and we need to find the value of x.

First of all, we multiply the whole equation for 1/2, so our goal is to isolate x, therefore:

x^{\frac{9}{8}}=\frac{111}{2}
 
Next step we must do is to apply <span>logarithms:
</span>
logx^{\frac{9}{8}} = log(\frac{111}{2})

Next, we have to apply identities and then to solve the equation:

\frac{9}{8}logx = log(\frac{111}{2})
logx =  \frac{8}{9}log(\frac{111}{2})
logx = 1.5504
10^{logx} =  10^{1.5504}

Finally, we have the value of x which was our goal. This is the answer for the question above:

x= 35.5140

7 0
3 years ago
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