MATHEMATICS HIGH SCHOOL

Find the mode.19, 1, 17, 19, 3, 20, 5, 2


A. 10.75
B. 11
C. 19
D. 20

Answers

Answer 1
Answer: The answer is C. 19

Rearrange the series from the lowest to the highest value:
1, 2, 3, 5, 19, 19, 20

The mode is the value that occurs most frequently. Number 19 is found twice, so it is the mode.
Answer 2
Answer: The correct answer is C. 19

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2b^2-9b-5
How do you answer this by factoring

Answers

Maybe ask google i sometimes do that
Simple...

you have: 2b^(2)-9b-5

Using the box method-->>>

What multiplies to -10 and adds to -9?

-10*1=-10

-10+1=-9

(b-5)(2b+1)

Thus, your answer.

1+86700009^5=. ………………………….

Answers

Answer:

4.89889×10^34

Step-by-step explanation:

1+86700009^5=1+3.89889×10^34=4.89889×10^34

Which values are in the solution set of the inequality −2/3x + 13 ≥ −1 ?Select all that apply.

A. 19

B. 20

C. 21

D.22

E. 23

Answers

Final answer:

To solve the inequality, subtract 13 from both sides and divide by -2/3 to isolate x.

The solution set consists of x values less than or equal to 21.

The values that apply are 19, 20, and 21.

Explanation:

To solve the inequality, we need to isolate x.

First, subtract 13 from both sides of the inequality: -2/3x ≥ -14.

Next, divide both sides of the inequality by -2/3.

Remember that when dividing by a negative, the inequality sign flips: x ≤ -14 ÷ (-2/3).

The negative sign in front of the fraction can be moved to the numerator to simplify the division: x ≤ (-14) × (3/(-2)). Multiply the numbers: x ≤ 21.

Therefore, the solution set of the inequality is x values less than or equal to 21.

The values in the solution set are 19, 20, and 21.

So, the correct options are A, B, and C.

Learn more about Inequality here:

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Can someone tell me if I did this right? Given b = 12, c = 15 and A = 60° in triangle ABC, use the Law of Cosines to solve for a. Fill in the blank(s) to complete each step. If applicable, be sure to enter all decimal numbers with a zero in the ones place. Round your final answer to the nearest hundredth.

Answers

Answer:

a=13.74 units

Step-by-step explanation:

Given are two sides and angle of a triangle ABC

use cosine formula for triangles

a^2=b^2+c^2-2bccosA\n=144+225-360(0.5)\n=369-180\n=189

Now we got the square of the third side

Take square root and round off to two decimals to get exact value of a

a =13.74 units

Note: In a triangle, if 3 independent dimensions are known we can find out all missing sides and angles using sine formula or cosine formula
a^2= b^2+c^2 - 2bc.cosA

a^2= (12)^2 + (15)^2 - 2 x 12 x 15 cos60

a^2= 144+225 - 2 x 12 x 15 x 0.5

a^2 = 369 - 180

a^2= 189
now take the square root of both sides.. :)

so a = 13.74 :)

ages of edna,ellie and elsa are consequtive integers the sum of their age is 117.  their ages are from youngest to oldest. please help.

Answers

If they were all the same age, then it would be (117 / 3) = 39.

But they're not.  So make one of them 40 and another one 38, and
they'll still add up to 117 .

Their ages are 38, 39, and 40 .

What I can't figure out is how three nice women born in the 1970s
wound up with names like that.

Which equation illustrates the identity property of multiplication?a.(a + bi) × c = (ac + bci)
b.(a + bi) × 0 = 0
c.(a + bi) × (c + di) = (c + di) × (a + bi)
d.(a + bi) × 1 = (a + bi)

Answers

For this case by definition we have:
 The identity property of multiplication states that the product of 1 and any number is that given number.
 We have then, for example:
 (a * 1) = a
 Where,
 a: real number
 Applying the definition, we have that the expression that models the identity property is given by:
 (a + bi) * 1 = (a + bi)
 Where,
 a: real part
 bi: imaginary part Answer:
 d.(a + bi) × 1 = (a + bi)

Equation shows  identity property of multiplication is (a + bi) × 1 = (a + bi)

The correct option is (d)

What is Identity property of multiplication?

The identity property of multiplication says that the product of 1 and any number is that number.

We know, Identity property of multiplication states that

"the product of 1 and any number is that given number".

We know that every complex number have two parts one is real and other is imaginary.

If a is real number and b is imaginary part then by definition

(a + bi) × 1 = (a + bi).

1. Uses Distributive Property of Multiplication.

2. Zero product property.

3. Commutative property of multiplication

4.  Identity property of multiplication.

Hence, equation shows identity property of multiplication is (a + bi) × 1 = (a + bi)

Learn more identity property of multiplication here:

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