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Alika [10]
4 years ago
15

Solve each exponential equation by using properties of common logarithms. When necessary, round answers to the nearest hundredth

.
7(^3x) - 1 = 5(^x - 1)
A. x ≈ 12.33
B. x ≈ -3.09
C. x ≈ 0.08

please help!!!!
Mathematics
1 answer:
Alex17521 [72]4 years ago
4 0

Answer:

The answer is C

Step-by-step explanation:

Just graph these functions lol...

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Please answer i will give brainlest! SHOW WORK!!!!
Dahasolnce [82]

The new dimensions or scale according to the information provided is now 4m/2units. See the explanation below.

<h3>What is the explanation justifying the above answer?</h3>

According to the given graph, the perimeter is 12 units. The current scale is 48m to 12 units (or 4m to 1 unit). Hence the new scale will be twice the original graph.

That is:

2m/1 units = (2m x2)/ 1unit x 2

= 4m/2units.

See the attached and enlarged new image.

Section II

The dimensions of the picture are as follows:

Length: acm

Width: bcm

Thus,

Length ⇒ acm/lft = lcm/5ft

L = (5a)ft

Width: ⇒ bcm/wft = Lcm/5ft

w = (56) ft

Another picture:

Length: 5a/8 cm

Width: 5b/8 cm

Learn more about scale:
brainly.com/question/25722260
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3 0
1 year ago
Helppppp please !!!!!!!!!!!!
Basile [38]

Answer:

The slope is 5

That means that Aaron is going 5 miles/minute

Step-by-step explanation:

100/20=5

rise/run=slope

8 0
3 years ago
Solve each pair of simultaneous equations by elimination method.<br>a) 2x+3y-1=0<br> 5x+2y+3=0​
Tanzania [10]
Make x the subject
2x = -3y + 1
5x = -2y -3

now times the answers to get the lcd

(2x = -3y + 1) x 5
10x = -15y + 5

(5x = -2y -3) 2
10x = -4y -6

now that they are equal to the same number:
-15y + 5 = -4y -6
-15y + 4y = -6 -5
-11y = -11
y = 1

now to find x we substitute y
2x = -3y + 1
2x = -3(1) + 1
2x = -3 + 1
2x = -2
x = -1


5 0
2 years ago
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2/9 of students in a school are in 6th grade, how many 6th graders are there if the school has 90 students?
dedylja [7]
20 of the students would be 6th graders, hope that helps!
3 0
3 years ago
Explain how you know that 5/8 + 6/10 is greater then 1
WARRIOR [948]

Step-by-step explanation:

So you would need to find a common denominator to add the fractions together first, and the closest would be 40

5/8 turns into 25/40 because we times the bottom and the top by 5 to get the LCD (least common denominator)

6/10 turns into 24/40 when times by 4 for the LCD of 40

Then add them together: 25/40 + 24/40 = 49/40

And since 1 could also be written as 40/40 since that is the whole number, this means the following expression is true.

49/40 > 40/40 (or 1)

8 0
3 years ago
Read 2 more answers
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