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Shtirlitz [24]
3 years ago
11

Please help me with question 1 and 2.

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
6 0

Answer:

the first one is a cone

Step-by-step explanation:

the second one is a rectangular prism

Katarina [22]3 years ago
4 0

Answer:

1 cone

Step-by-step explanation:

2. rectangular prism

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Find the length of CV¯¯¯¯¯¯¯¯ A. 43.92 B. 33.1 C. 68.87 D. 41.45
Anni [7]

Answer: B. 33.1

Step-by-step explanation:

Use sin to solve (opposite/hypotenuse)

let x= length of CV

sin(37)=x/55

x=55sin(37)

x≈33.1

8 0
4 years ago
Determine which of the following formulas hold for all invertible n×n matrices A and B.
garik1379 [7]

Answer:

1 hold

2 hold

3 does not hold

4 hold

5 hold

6 hold

7 does not hold

8 does not hold

9 Does not hold

10 Hold

Step-by-step explanation:

The detailed step by step verification is as shown in the attachment

4 0
4 years ago
Find two positive numbers a and b (witha≤b) whose sum is 88 and whose product is maximized.
Allushta [10]

a + b = 88 <span>
<span>
</span><span>ab = y
</span><span>
</span><span>a = 88 - b
</span><span>
</span><span>y = (88 - b)*b
</span> <span>y = -b^2 + 88b
</span><span>
</span><span>Take the derivative and set equal to 0
</span><span>
</span><span>y' = -2b + 88 = 0
</span><span>
</span><span>2b = 88
</span> <span>b = 44 </span></span>

<span><span>a=44</span></span>

<span><span> both numbers are 44</span></span>

3 0
3 years ago
If DE is congruent to KR and O is the midpoint of ER and DK, which of the following congruence postulates can be used
Deffense [45]

Answer:

ASA

Step-by-step explanation: I'm not sure I had just found a key.

6 0
3 years ago
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Hitman42 [59]

Answer:

-33.75

Step-by-step explanation:

-2 1/2 = -2.5

-2.5 x 13.5

-33.75

8 0
3 years ago
Read 2 more answers
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