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rusak2 [61]
3 years ago
6

Write the explicit formula for the geometric sequence. a1=-5, a2=15, a3=-45

Mathematics
1 answer:
Tomtit [17]3 years ago
7 0
A1=317832724778431137
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If the area of a park is exactly halfway between 2.4 and 2.5 acres what is the area of the park
Paul [167]
Get the distance between two acres.

2.5 - 2.4 = 0.1

Divide the diffence by 2
0.1 / 2 = 0.05 - Halfway between them.

Therefore, 0.05 must be taken from 2.5 acres. it must be added to 2.4 acres to get the exact area of the park.

2.5 - 0.05 = 2.45
2.4 + 0.04 = 2.45 acres

OR

Simply get the average of the two to get the area since it is exactly halfway between the two acres of land.

2.5 + 2.4 = 2.9 / 2 = 2.45 acres
8 0
3 years ago
Read 2 more answers
Moshde runs a hairstyling business from her house. She charges $48 for a haircut and style. Her monthly expenses are $1100. She
AlexFokin [52]

Answer: 48

Step-by-step explanation:

Moshde charges 48 dollars for haircut + style

She loses 1100 dollars over expenses.

If she wants to get a revenue of 1168 dollars:

$1168 + $1100 = $2268

She has to make $2268 dollars

2268/48 = 47.25

Therefore, 47.25 haircuts are needed.

Of course, this is silly and ridiculous. How can you give fractions of a haircut, therefore, we round UP for 48 haircuts at minimum.

I hope this helps :)

BB76

4 0
3 years ago
Read 2 more answers
Use the information given to enter an equation in standard form.
Greeley [361]

Answer:

y = -2x + 25

Step-by-step explanation:

A standard equation can be in slope-intercept form: y = mx + b

m is the slope, b is the y-intercept.

Plug in the given slope.

y = -2x + b

To find b, plug in the given point (9, 7).

7 = -2(9) + b

Multiply.

7 = -18 + b

Add 18 to both sides to find b.

25 = b

Plug this into your standard equation.

y = -2x + 25

Check by plugging in the given point again.

7 = -2(9) + 25

7 = -18 + 25

7 = 7

Your answer is correct!

Hope this helps!

3 0
3 years ago
How do you divide a fraction
sveta [45]
Hey, 25equivelv!

If you know how to multiply a fraction, you will be able to divide it as well. If you do not know how to multiply a fraction, look it up or message me.

I say that if you know how to multiply fractions you know how to divide them because dividing is basically multiplication backwards, so in fraction terms, it's multiplying by the reciprocal. If you don't know what that is, multiplying by the reciprocal is that same as flipping the second fraction and multiplying.

Watch this youtube video for more: https://www.youtube.com/watch?v=q4vEI4mk8g0

Hope I helped!

~Olivia
8 0
3 years ago
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Are these shapes similar? If so please explain
STALIN [3.7K]

Answer:

yes

Step-by-step explanation:

because it is the same shape.

8 0
3 years ago
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