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MrRissso [65]
3 years ago
15

I’ll mark brainliest . Please help

Mathematics
2 answers:
kondor19780726 [428]3 years ago
7 0
I think it is D)
I’m sorry if I’m wrong
777dan777 [17]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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∠A and ∠B are adjacent. The sum of their measures is 92∘. ∠A measures (2x+5)∘. ∠B is three times the size of ∠A.
Ilia_Sergeevich [38]

Answer:

Equation:  2x + 5 + 6x + 15 = 92

Solution:  x = 9

m∠A =23°  m∠B = 69°

Step-by-step explanation:

measure of ∠B = 3(2x + 5) = 6x + 15

The sum of the angles = 92 = 2x + 5 + 6x + 15

92 = 8x + 20

72 = 8x

x = 9

m∠A = 2(9) + 5 = 18 + 5 = 23

m∠B = 6(9) + 15 = 54 + 15 = 69

Check:  23 + 69 = 92  and 23(3) = 69

5 0
3 years ago
Which of the following statements does NOT adequately describe a developmental progression?
Artyom0805 [142]

The statement which does not adequately describe a developmental progression is Choice C- A developmental progression is a skill check- list that four-years- olds must master to be prepared for kindergarten.

<h3>What is developmental progression?</h3>

The Developmental Progression of Functional Skills is a concept which describes the child's growth in which case, the child's develops relationship with family members and a sense of self in the process and this concept in discuss is not limited to four-year olds.

Read more on developmental progression;

brainly.com/question/13670359

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6 0
1 year ago
Simplify the expression. 9r 3r2 – 5r 7
Ksenya-84 [330]
Your final answer is going to be 4r + 3r ^2 +7
7 0
3 years ago
Read 2 more answers
Which Is worth more 4.1 billion or 3.914 billion
Xelga [282]

Answer:

the one worth more is 4.1 billion

4 0
2 years ago
Read 2 more answers
Sorry for the quality but please help?!?!
gogolik [260]

Answer:

3/4

Step-by-step explanation:

28 total but 12 are boys so girls = 28 - 12 = 16

Ratio of boys to girls

= 12/16

= 3/4

6 0
2 years ago
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