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Nastasia [14]
3 years ago
13

How many solutions are there to the system of equations 4x-5y=5 and -0.08x + 0.10y=0.10

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
5 0
There are Zero possible solution to this system of equations.

Tpy6a [65]3 years ago
3 0
Zero possible solution to this
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Vaselesa [24]
1. 71.25
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3. 51.75
Have a great day
7 0
3 years ago
1. You are standing on top of a ridge using a clinometer trying to figure out how far your dog has wandered off in
olga_2 [115]

<u>Given:</u>

It is given that the ridge is 360 inches tall.

<u>Assumptions:</u>

Assume you are 170.1 cm tall which equals 67 inches tall, the height from your eye to the floor is 360+67 = 427 inches.

The distance from your eye level to the bottom of the ridge is 427 inches.

Assume the angle A is 60°.

<u>To find the distance from you to your dog.</u>

<u>Solution:</u>

A right-angled triangle can be formed where the angle is 60°, the distance between you and the dog is the hypotenuse of the triangle and your height from the floor is the adjacent side of the triangle.

Assume the hypotenuse of the triangle measures x inches.

To determine the length of the hypotenuse, we determine the cos of the angle.

cos \theta = \frac{adjacent side}{hypotenuse} .

cos A = \frac{427}{x} , x = \frac{427}{cos60} , cos60=0.5.

x=\frac{427}{0.5} = 854.

So if the ridge is 360 inches tall and you are 67 inches tall and the angle A is 60°, the distance between your dog and you is 854 inches.

3 0
3 years ago
An angle measures 112º more than the measure of its supplementary angle. What is the
Alexeev081 [22]

Answer:

The angles measure 34 degrees and 146 degrees.

Step-by-step explanation:

The supplement measures x.

The angle measures x + 112.

The measures of supplementary angles have a sum of 180 deg.

x + 112 + x = 180

2x + 112 = 180

2x = 68

x = 34

x + 112 = 146

The angles measure 34 degrees and 146 degrees.

3 0
3 years ago
16. A car dealer recently sold five cars for the following profits: $10,126, $9,999, $12,398, $12,007, and $4,567. What was the
masha68 [24]
Answer is 45443.40 you add them uo then divided by 5
5 0
3 years ago
A friend has performed a significance test of the null hypothesis that two means are equal. His report states that the null hypo
frez [133]

Answer:

We should only choose a one-sided alternative if we have some reason to expect a specific directional outcome before looking at the sample results

Step-by-step explanation:

Wrong procedure applied by my friend, he use one sided hypothesis instead of two sided.

8 0
4 years ago
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