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Over [174]
2 years ago
10

Find the square root of 169

Mathematics
2 answers:
aliina [53]2 years ago
5 0

Answer:

13

Step-by-step explanation:

postnew [5]2 years ago
5 0
Answer: 13

Verification: 13 * 13 = 169
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At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?
Neporo4naja [7]


Every body has two hands so we have to multiply 66 by 2.

66 multiplied by 2 is equal to 132

The answer is 132.

hope it helps.

Can you choose mine as the brainliest answer <u><em>please please?</em></u>

4 0
3 years ago
Read 2 more answers
What is 1/8 divided by 2 3/4?A 1/32B 2 1/3C 1/22D 2 1/2
vladimir1956 [14]

Answer: It is letter C. 1/22

Step-by-step explanation:

Change 2 3/4 to an improper fraction to get 11/4, then multiply 1/8 by the reciprocal of 11/4 which is 4/11.

1/8 x 4/11= 4/88

4/88 simplified = 1/22

3 0
2 years ago
Tan(a)+cot(b) simplify please.
Hitman42 [59]

Answer:

tan a + cot b

Step-by-step explanation:

It's already simplified.

There are alternate forms like

sec(a)csc(b)cos(a-b)\\\\sec(a)csc(b)[sin(a)sin(b)+cos(a)cos(b)]\\\\\frac{sin (a)}{cos (a)} +\frac{cos(b)}{sin(b)}

5 0
3 years ago
What is the constant of proportionality in the graph below? (answer must be simplified fraction) PLEASE HELP I WILL MAKE U BRAIN
Pepsi [2]

Answer:

The constant of proportionality is \frac{9}{2}

Step-by-step explanation:

The constant of proportionality is the ratio between two directly proportional quantities

  • If x and y are in directly proportion, then \frac{y}{x}=k , where k is the constant of proportionality.
  • The direct proportion can be represented by a line whose equation is y = kx, where k is the slope of the line.

<em>To find the constant of proportionality from the given graph choose a point on the line and substitute x and y in the equation of the proportionality by the coordinates of the point.</em>

∵ Point (4, 18) lies on the line

∴ x = 4, y = 18

∵ The equation is y = kx

→ Substitute x by 4 and y by 18

∴ 18 = k(4)

∴ 18 = 4k

→ Divide both sides by 4 to find k

∴ \frac{18}{4}=\frac{4k}{4}

∴ \frac{18}{4}=k

→ Simplify the fraction by dividing up and down by 2

∴ \frac{9}{2}=k

∴ The constant of proportionality is \frac{9}{2}

6 0
3 years ago
WILL GIVE BRAINLIEST: Show that ABCD is a rhombus if A(0, –2), B(10, 3), C(21, 5), and D(11, 0). Find the slope m1 of AC and the
Olegator [25]

Answer:

Answers in the pics

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask ÷)

4 0
3 years ago
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