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Nonamiya [84]
4 years ago
15

Which statements are true?

Mathematics
1 answer:
GaryK [48]4 years ago
7 0
<h3>Answer:</h3><h3>There are 3 true statements, and the true statements are: </h3><h3>choice A, choice C, choice D</h3>

======================================================

Explanation:

A. True. All triangles have 3 straight sides and 3 angles.

B. False. All triangles are polygons. A polygon is just a collection of line segments glued together to form a closed shape.

C. True. A plane figure is a flat shape.

D. True. See choice A.

E. False. Some triangles do not have one right angle. Example: obtuse triangles do not have any right angles.

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According to the Texas Department of State Health Services, there are approximately 17.7 million adults (age 18+) living in Texa
miskamm [114]

Answer:

20.73 ≈ 21 persons per year

Step-by-step explanation:

Data provided in the question:

Total population of Texas = 17.7 million

People having diabetes = 1.45 million

Number of new cases of diabetes diagnosed for the first time = 366,921

Now,

the incidence of diabetes in Texas

= [ Number of new cases diagnosed ] ÷ [ Total population ]

= 366,921 ÷ 17.7 million

= 366,921 ÷ 17,700,000

= 0.02073

thus,

the incidence of diabetes in Texas per 1000 persons

=  0.02073 × 1,000

= 20.73 ≈ 21 persons per year

5 0
3 years ago
The measurement of 0.059 seconds equals ______ milliseconds.
V125BC [204]
The correct answer that would complete the given statement above would be 59. The measurement of 0.059 seconds is equal to 59 milliseconds. To convert this, you need to know that in every 1 second, there are 1000 milliseconds. And for 1 millisecond, there is 0.001 second. 
8 0
4 years ago
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I’ll mark brainliest
Rashid [163]
The answer is quadrilaterals. d
3 0
4 years ago
Find area of the trapezoid.
Allisa [31]
Area of trapezoid = 1/2(b1+b2)h
b1 and b2 are top and bottom bases
so b1 = 15.8 and b2 = 21.8

h is height so h = 11.7
so
A = 1/2(15.8 + 21.8)(11.7)
A = 1/2(37.6)(11.7)
A = 219.96

answer
D. 219.96 yd^2
4 0
3 years ago
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What is the simplified form of the expression
kirza4 [7]
1.First multiply 4(2y) and 4(6) which gives you (8y-24).
2.Then write out the whole problem: (15y-8y-24).
3.Subtract 15y-8y first since they have equal terms. That will give you 7y.
4.Now you have (7y-24).
Hoped this helps!!:-)))
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3 years ago
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