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IrinaK [193]
3 years ago
11

Help on number 2 please

Mathematics
1 answer:
Katarina [22]3 years ago
3 0

Answer:

y=12.73 x=9

Step-by-step explanation:

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A + b = 9<br> a - b = 6<br> what is a/b?
Dahasolnce [82]

Answer:

5

Step-by-step explanation:

hello :

a + b = 9

...(*)

a - b = 6...(**)

add (*) and (**) : 2a =15.....(1)

subsct (**) and (*) : 2b=3  ....(2)

now divid (1) , (2) :  2a/2b = 15/3

means : a/b = 15/3 =5

8 0
3 years ago
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How do i do this plzzzz help
erastovalidia [21]
R=15

explain:
add the numbers in parentheses to get
45/3 = r
divide the numbers to get
15 = r
7 0
3 years ago
Read 2 more answers
Check all that apply. Thanks!
spayn [35]

Answer:

The answers are options C and E

Hope this helps you

8 0
3 years ago
Unit 1 geometry basics quiz 1-3 angle measures and relationships
ASHA 777 [7]

Answer/Step-by-step explanation:

1. Side CD and side DG meet at endpoint D to form <4. Therefore, the sides of <4 are:

Side CD and side DG.

2. Vertex of <2 is the endpoint at which two sides meet to form <2.

Vertex of <2 is D.

3. Another name for <3 is <EDG

4. <5 is less than 90°. Therefore, <5 can be classified as an acute angle.

5. <CDE is less than 180° but greater than 90°. Therefore, <CDE is classified as an obtuse angle.

6. m<5 = 42°

m<1 = 117°

m<CDF = ?

m<5 + m<1 = m<CDF (angle addition postulate)

42° + 117° = m<CDF (Substitution)

159° = m<CDF

m<CDF = 159°

7. m<3 = 73°

m<FDE = ?

m<FDG = right angle = 90°

m<3 + m<FDE = m<FDG (Angle addition postulate)

73° + m<FDE = 90° (Substitution)

73° + m<FDE - 73° = 90° - 73°

m<FDE = 17°

3 0
3 years ago
What is the average rate of change between f (1) and f (5) in the function f (x) = x2 - x - 6 ?
NISA [10]

Answer:

{ \tt{average =  \frac{f(1) + f(5)}{2} }} \\  \\  = { \tt{ \frac{( {1}^{2}  - 1 - 6) + ( {5}^{2} - 5 - 6) }{2} }} \\  =  \frac{ - 6 + 14}{2}  \\  \\  = { \tt{4}}

5 0
2 years ago
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