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IrinaK [193]
3 years ago
14

Help please................

Mathematics
1 answer:
Alona [7]3 years ago
8 0
Hey you're using Apex xD

Answer is D. 

Here's an example 

6= 3x2
Just divide. 6/2 = 3 <span />
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The area of a circle is 1256 square inches what is the length of its radius
Otrada [13]
The formula of the area of a circle is : A= \pi R^2

You know that the area is 1256.

So : 1256= \pi R^2

Divide both sides by \pi :

\frac{1256}{\pi}=R^2

<span> take the square root of both sides in order to obtain r :

</span>\sqrt{ \frac{1256}{ \pi }}=R
20=R
<span>
In short, the answer would be 20 (i have rounded).

Hope this helps !

Photon
</span>

6 0
3 years ago
16x-8-14x=10 show work
kirill115 [55]

Answer:

x=9

Step-by-step explanation:

Original equation: 16x-8-14x=10

Combine like terms: 2x-8=10

Add 8 to both sides: 2x=18

Divide by 2 on both sides: x=9

Let me know if this helps!

5 0
2 years ago
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A customer requires a car service for 80 miles,
Xelga [282]

Answer:

$25

Step-by-step explanation:

Derive an equation to represent the cost of using each ride.

Sal's Car Rides:

Using 2 pairs of values from the table, (0, 40) and (20, 80), find the slope, m (fee per mile).

m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{80 - 40}{20 - 0} = \frac{40}{20} = 2

The y-intercept, b, is the one-time fee for fuel. This is the value of the cost ($) when number of miles traveled is 0.

Thus, b = 40.

Substitute m = 2, and b = 40 into y = mx + b.

Equation for the total cost for Sal's Car Rides would be:

y = 2x + 40.

Find the total cost to be charged if a customer requires the a car service for 80 miles if he chooses Sal's Car Rides.

Simply substitute x = 80 in y = 2x + 40.

y = 2(80) + 40 = 200

The customer would pay $200.

Ray's Limo:

The equation that represents the total cost (y) to be charged for number of miles (x), given that $2.50 is charged per mile plus a one-time fee of $25 for fuel, would be:

y = 2.5x + 25.

If a customer uses Ray's Limo services for 80 miles, the cost charged would be:

Substitute x = 80 in y = 2.5x + 25.

Thus:

y = 2.5(80) + 25 = 225.

The fee the customer would pay = $225 for using Ray's Limo services.

Therefore, if the customer takes Sal's Car Rides instead of Ray's Limo, he would save, $225 - $200 = $25.

The customer would save $25.

8 0
3 years ago
Answer this question right I give you Brainly
White raven [17]

Answer:

A

Step-by-step explanation:

The Y Intercept is for sure going to be 2 so we can eliminate answer choices B and D

The data shows a negative linear association so we can eliminate answer choice C

Therefore the answer is A

8 0
2 years ago
By the Triangle Inequality Theorem, If two sides of a triangle have lengths of 3 and 7, what are all the possible lengths of the
Charra [1.4K]
If you do
7+3>?
3+?>7
7+?>3 
P.S: look at example

7 0
3 years ago
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