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astraxan [27]
3 years ago
8

Help, this is a course challenge

Mathematics
1 answer:
tankabanditka [31]3 years ago
8 0

Answer:

Step-by-step explanation:

                    Statements                         Reasons

1. m∠BAC = m∠DAC = 51°                 1). Given

2. AB = AD = 4                                  2). Given

3. AC = AC                                        3). Segments are the same length as

                                                              themselves.

4. ΔABC ≅ ΔADC                            4). Side - Angle - Side property of

                                                             congruence.

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The cost of 5 cans of dog food is 4.35. At this price ,how much do 11 cans of dog food cost
Setler [38]

Answer:

$9.57

Step-by-step explanation:

You have to do 4.35 divided by 5 to get how much 1 can cost. You will find out that 1 can cost $0.87. Next you will take how much one cost and mutiply it by 11.  When you do that you will get 9.57. That is how you will get $9.57 as your answer.  

5 0
3 years ago
Hurryyyyyy!!! <br>which expression is equivalent to 7(1+3)? <br>a.1+21<br>b.7+21<br>c 7+3<br>d.7+4
n200080 [17]

Answer:

b. 7+21

Step-by-step explanation:

If you do 1+3=4 and then 4 times 7 that equals 28. When you do 7+21 that equals 28 too. So b is the answer

4 0
3 years ago
WILL EARN BRAINLIEST! [Rate of Functions]
AURORKA [14]

Answer:

every pair is being multi by the next number

Step-by-step explanation:

2 x 3 =6

3 x 4 = 12 so the second number goes up one every time

7 0
3 years ago
−6x^2−1 and x+9 help will mark brainliest.
Varvara68 [4.7K]

Answer:

-6x^2+x+8

Step-by-step explanation:

Add -1 and 9 because they are the only like terms

8 0
3 years ago
Solve. Write your answer in interval notation.
lina2011 [118]

Answer: x < 3 or x ≥ 11

(-∞, 3) or [11, ∞)

Step-by-step explanation:

subtract 4 from each side

2x < 6 .     or .         3x  ≥ 33

x < 3 or x ≥ 11

make sure you have an OPEN DOT at 3 pointing to negative infinity and a CLOSED DOT at 11 pointing to positive infinity.  

3 0
3 years ago
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