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Drupady [299]
3 years ago
14

align="absmiddle" class="latex-formula">
Mathematics
2 answers:
bezimeni [28]3 years ago
6 0
X can equal 1 or negative 1.
lesya692 [45]3 years ago
3 0
X= 1 or -1
Isolate the variable by dividing each side by factors that don’t contain the variable
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A restaurant menu has five kinds of soups, seven kinds of main courses, six kinds of desserts, and five kinds of drinks. If a cu
ryzh [129]

Answer: 1050

Step-by-step explanation:

Number of combinations of selecting r things out of n = ^nC_r=\dfrac{n!}{r!(n-r)!}

such that ^nC_1=n

Given: A restaurant menu has 5 kinds of soups, 7kinds of main courses, 6 kinds of desserts, and 5 kinds of drinks.

If a customer randomly selects one item from each of these four categories, then by fundamental counting principle , the number of different outcomes are possible = ^5C_1\times \ ^7C_1\times\ ^6C_1\times\ ^5C_1 =5\times7\times6\times5=1050

hence, total number of outcomes = 1050

3 0
3 years ago
Read 2 more answers
What is the best estimate for 19% of 205%​
kifflom [539]

Answer:

39 Would be your best guess since the literal percent is 38.95 or 38 19/30

Step-by-step explanation:

5 0
3 years ago
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Vertex form of -x^2-8x-16
WARRIOR [948]

Answer:

y =  - (x + 4)^{2}

6 0
3 years ago
Write the equation of a line that contains (2,−2) and perpendicular to another line with slope −1.
Reika [66]

Answer:

y = x - 4

Step-by-step explanation:

Perpendicular slope = 1

y + 2 = 1 (x - 2)

y + 2 = x - 2

y = x - 4

3 0
2 years ago
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Look at the image of the two hangers. Based on the image, what is one thing that must be true? What is one thing that could be t
Musya8 [376]

Answer:

One thing that must be true is that the objects will cause some leaning because their masses are unequal, judging from the volume that the objects can hold. One thing that could be true is that the triangle could be heavier than the square, leading to a leaning toward the left. The second pic cannot be true, for there are too much mass concentrated on one side to maintain equilibrium.

7 0
2 years ago
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