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Ivan
3 years ago
10

Abigail says that all the numbers ending 1 are prime. Is Abigail correct or incorrect

Mathematics
2 answers:
Arada [10]3 years ago
7 0
Incorrect.......................
patriot [66]3 years ago
6 0
Incorrect.
Go through the numbers and you'll find un-prime numbers ending in 1:
21, 81, 121,...
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Slope = -8, passing through (2,5)
Marrrta [24]
Y - y₁ = m(x - x₁)
y - 5 = -8(x - 2)
y - 5 = -8(x) + 8(2)
y - 5 = -8x + 16
<u>  + 5            + 5</u>
     y = -8x + 21
5 0
3 years ago
Open image to see question
Agata [3.3K]

Answer:

16

Step-by-step explanation:

To start off this problem, we are given that the line AB is equal to the line CD. In addition to that, we are given that the line EF equally intersects line AB and line CD. This provides us proof that angle AGH is equivalent to angle DHG. From this information, we can solve this problem relatively easily.

Lets work with this equation:

80 = 5x

Next, divide 80 by 5.

\frac{80}{5} =x

16 = x

This means that x is equal to 16.

7 0
3 years ago
An experiment will be conducted in which 20 pepper plants are randomly assigned to two groups. The plants in Group 1 will receiv
Studentka2010 [4]

The experimental units in this experiment are the 10 plants in group 2.

The experimental unit is a term used in science to refer to an individual or group of objects that are initially equivalent and then undergo experimental processes.

According to the above, the experimental unit of this experiment is the group 2 of plants because these are the plants that are going to be put into experimentation with a new fertilizer.

Then, the answer is D, because it refers to the experimental unit corresponding to this experiment.

Learn more in: brainly.com/question/17034824

7 0
2 years ago
a architect uses a scale drawing with a scale factor of 1 cm:20 feet. if a actually building is 120 feet tall how many centimete
agasfer [191]
The answer is 6

Explanation:
1 cm : 20 feet
y cm : 120 feet
(We will use cross multiplication)
20y = 120*1
20y/ 20 = 120/20. (left-side: the 20’s will be cancelled)
y= 120/20
y= 6
5 0
3 years ago
Find the average of these numbers to the nearest whole number. 516,497,501,528,476
defon

516+497+501+528+476= 2518

2518/5= 503.6

round up to 504

5 0
3 years ago
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