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rusak2 [61]
3 years ago
6

For questions 1- 3 find the exact sum or difference.

Mathematics
1 answer:
7nadin3 [17]3 years ago
6 0
D, Because 7/15 + 9/15 is 16/15 + 4/15 =20/15 which equals 1 5/15 which turns into 1 1/3
A, 1/21 + 2/21 = 3/21 and that equals 1/7

C, 3/14+3/12 turns into 3/14+5/14= 10/14 - 8/14= 2/14=1/7
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Solve for A.<br><br> 7a + 2 = 3a + 14
frutty [35]
A=22 you're welcome if you need help dm me
3 0
3 years ago
Read 2 more answers
A. CPCTC<br><br> b. SAS<br><br> c. ASA<br><br> d. SSS
Lyrx [107]
a. CPCTC is your answer

CPCTC means that "Congruent Parts of a Congruent Triangle(s) are Congruent"

If ΔBRM ≅ ΔKYZ (given), then every part inside the triangle is ≅ with the corresponding side.
So, for example Line BR will be ≅  with Line KY, etc

hope this helps
7 0
3 years ago
Scheels has a kayak that regularly sells for $389. Every Friday in November it was marked down by 32%. What is the amount of dis
Y_Kistochka [10]

Answer:

1. $264.52 is the remaining 68%

2. Sales tax is $19.83

3. The total price is 283.83

Explanation:

1. 389 times 0.68 will get you an answer of $264.52

2. 264.52 times 0.075 is $19.83

3. Add your two answers of $264.52 and $19.83 and you'll get your answer of $283.83

8 0
3 years ago
How do I solve 6a + 5a = −11
SashulF [63]

Answer:

a = - 1

Step-by-step explanation:

Step 1:

6a + 5a = - 11        Equation

Step 2:

11a = - 11         Combine Like Terms

Step 3:

a = - 11 ÷ 11       Divide

Answer:

a = - 1

Hope This Helps :)

5 0
2 years ago
Read 2 more answers
The length of a rectangular prism is 4√3 units. The height is 3√6 units. If the volume is irrational, which could be the measure
Jet001 [13]
Volume = length * height * width
             =   4 qrt3 + 3 sqrt6 * w
              = 12 sqrt18 w

let w = 2 sqrt50 then volume =  2*12 *  sqrt 18*50  = 24*30  so this is rational

let w =  4 sqt 12 the v = 48  sqrt12 * sqrt 18 = 48 sqrt30  which is irrational

C and D are rational  
answer is B
8 0
3 years ago
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