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3 years ago

HELP FAST 10 POINTS

Mathematics

1 answer:

ser-zykov [4K]3 years ago

3 0

Answer:

x = 3

Step-by-step explanation:

y = 2 is the equation of a horizontal line parallel to the x- axis

A line perpendicular to this then is a vertical line parallel to the y- axis with equation

x = c

where c is the value of the x- coordinates the line passes through.

We are not given a point that the line passes through so choose any value for c

x = 3 ← equation of perpendicular line

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What is the factored or of 25y^4 - 4z^2

Cerrena [4.2K]

Answer:

$(5y^2+2z)(5y^2-2z)$

Step-by-step explanation:

Use the difference of squares formula.

$a^2-b^2=(a+b)(a-b)$

$a=5y^2 \\ b=2z$

$(5y^2+2z)(5y^2-2z)$

5 0

3 years ago

If set A has 4 elements and B has 3 elements then set n(AXB) is a) 12 b) 14 c) 24 d) 7

Karo-lina-s [1.5K]

Answer:

The correct option is a.

Step-by-step explanation:

Given information:

Number of elements in set A = 4

Number of elements in set B = 3

We need to find n(A × B). It means we have to find the number of elements in set A × B.

If P and Q are two sets with elements m and n respectively, then the number of element in the set P × Q is m × n.

$n(A\times B)=n(A)\times n(B)$

$n(A\times B)=4\times 3$

$n(A\times B)=12$

The value of n(A × B) is 12. Therefore the correct option is a.

8 0

3 years ago

A certificate of deposit with principal $150 earns 4% annual interest for 2 years. Select all the options that would earn the sa

ladessa [460]

Answer:

a,c

Step-by-step explanation:

You would get $12 in the certificate of deposit, and

a. 12

b. 13.5

c. 12

d. 8

e. 24

so, a and c

Hope this helps!

Let me know if it does and if the answer is right

8 0

3 years ago

Chose the correct property

vodka [1.7K]

Answer:

B) Associative Property of Multiplication

Step-by-step explanation:

The associative property states you can change where the parentheses (grouping terms) are in a multiplication statement, and you'll get the same product.

More generally:

(a * b) * c = a * (b * c)

3 0

3 years ago

Read 2 more answers

Tom is mailing packages. Each small package costs him $3.30 to send. Each large package costs him $4.30 . How much will it cost

Kazeer [188]

3.30 x 5 = 16.50
4.30 x 7 = 30.10
30.10 + 16.50 = $46.60

8 0

3 years ago