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Elis [28]
3 years ago
10

Is y=9x-5 proportional?

Mathematics
1 answer:
adoni [48]3 years ago
8 0
Yes it is proportional
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Caleb bought groceries and paid \$1.60$1.60dollar sign, 1, point, 60 in sales tax. The sales tax rate is 2.5\%2.5%2, point, 5, p
saveliy_v [14]

Answer:

Price of Caleb's groceries before tax = $64

Step-by-step explanation:

Let the price of groceries before tax be =$ x

Sales tax charged = $1.60

Sales tax rate =2.5%

Sales tax charged in terms of x will be = 2.5% of the Original price of grocery =2.5\% of x = 0.025\times x=0.025x

So, we have,

0.025x=1.60

Dividing both sides by 0.025

\frac{0.025x}{0.025}=\frac{1.60}{0.025}

∴ x=64

∴ Price of Caleb's groceries before tax = $64

5 0
3 years ago
The figure shows the graph of a quadratic functionſ that has a minimum at the point
pentagon [3]
C is the answer -1. Bb
5 0
2 years ago
A hawk can travel at a speed of 120 miles per hour. How long would it take to travel 840 miles without stopping?​
Scilla [17]

Answer:

7 hours

Step-by-step explanation:

120 x 7 = 840

8 0
2 years ago
Read 2 more answers
‼️GEOMETRY‼️
ella [17]

Answer:

A.) 1018 square inches

Step-by-step explanation:

The largest sphere will have a diameter equaling the length of the cube (see picture).

If the side length of the cube is 18 inches, the diameter of the sphere is also 18 inches. Use the surface area formula for a circle:

SA=4\pi r^2

For this formula, we need the radius of the sphere. Divide the diameter by 2:

\frac{18}{2}=9

The radius is 9 inches. Plug this into the equation:

SA=4\pi *9^2

Simplify the equation:

SA=4\pi *81\\\\SA=324\pi \\\\SA=1017.87

Round the result to the nearest whole number:

1017.87 → 1018

The surface area is 1,018 inches².

:Done

Picture:

In a 2D version, we can clearly see that if the circle fits snuggly inside of the square, the diameter of a sphere is the same as the length of a side of the cube.

6 0
3 years ago
A number written in the form of a + bi is called a
butalik [34]
It is called a complex number.
4 0
3 years ago
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